before the public utilities commission of the … · • traditional operations are largely manual,...

BEFORE THE PUBLIC UTILITIES COMMISSION OF THE

STATE OF CALIFORNIA

Order Instituting Rulemaking Regarding Policies, Procedures and Rules for Development of Distribution Resources Plans Pursuant to Public Utilities Code Section 769.

Rulemaking 14-08-013

(Filed August 14, 2014)

And Related Matters.

Application 15-07-002 Application 15-07-003 Application 15-07-006

(NOT CONSOLIDATED)

In the Matter of the Application of PacifiCorp (U 901-E) Setting Forth its Distribution Resource Plan Pursuant to Public Utilities Code Section 769.

Application 15-07-005

(Filed July 1, 2015)


Application 15-07-007 Application 15-07-008

NOTICE OF EX PARTE COMMUNICATIONS OF

SOUTHERN CALIFORNIA EDISON COMPANY (U 338-E) ANNA J. VALDBERG MATTHEW W. DWYER CLAIRE E. TORCHIA

Attorneys for SOUTHERN CALIFORNIA EDISON COMPANY 2244 Walnut Grove Avenue Post Office Box 800 Rosemead, California 91770 Telephone: (626) 302-6945 Facsimile: (626) 302-2610 E-mail: [email protected]

Dated: October 25, 2016

1


STATE OF CALIFORNIA


Rulemaking 14-08-013 (Filed August 14, 2014)



(NOT CONSOLIDATED)






NOTICE OF EX PARTE COMMUNICATIONS OF

SOUTHERN CALIFORNIA EDISON COMPANY (U 338-E)

Pursuant to Rules 8.2, 8.3, and 8.4 of the Rules of Practice and Procedure of the

California Public Utilities Commission (“Commission”), Southern California Edison Company

(“SCE”) hereby gives notice of a potential ex parte communication. Pursuant to ALJ Julie A.

Fitch’s Scoping Memo and Ruling, the DRP proceeding is categorized as quasi-legislative.1 The

only exception is Track 2, the scope of which addresses Demonstration Projects C, D, and E and

which was categorized as ratesetting “because the Commission will most likely need to identify

1 See Scoping Memo And Ruling Of Assigned Commissioner And Administrative Law Judge, Including Deconsolidation Of Certain Proceedings And A Different Consolidation Of Other Proceedings, at p. 13 (dated January 27, 2016).

2

and authorize funding to conduct these demonstration projects.”2 Accordingly, the ex parte rules

apply to Track 2 of the DRP for Demonstrations C, D, and E.

On Monday, October 24, 2016, SCE held a workshop on its 2018 General Rate Case

(“GRC”) at the Main Auditorium of the California Public Utilities Commission, 505 Van Ness

Avenue, San Francisco, CA.3 During the afternoon presentation, which went from 1:00 P.M. to

4:30 P.M., Mr. Takayesu, SCE’s Director of Electric System Planning and Modernization, and

Mr. Ragsdale, SCE’s Principal Manager of Strategic Planning, provided an overview of SCE’s

system planning and grid modernization requests in the 2018 GRC. Slide 27 of the deck

describes SCE’s eight deferral pilot projects, one of which is part of SCE’s Demonstration

Project C in the DRP. The presenters did not discuss Demonstration C specifically or in any

greater detail than what is in slide 27. Attached hereto as Exhibit 1 is a copy of the complete

deck.

SCE was not aware in advance of yesterday’s workshop that Commission advisors would

be in attendance, but understands that some Commission advisors may have attended this

portion of SCE’s presentation. Accordingly, SCE is submitting this ex parte notice out of an

abundance of caution.

2 Id. at p. 9. 3 In A.16-09-001, Administrative Law Judge Wildgrube issued on October 12, 2016 an email ruling

confirming that under Rule 8.1(c)(3), the CPUC’s ex parte rules would not be triggered as a result of the workshops.

3

Respectfully submitted, ANNA J. VALDBERG MATTHEW W. DWYER CLAIRE E. TORCHIA /s/ Claire E. Torchia Claire E. Torchia

Attorney for SOUTHERN CALIFORNIA EDISON COMPANY 2244 Walnut Grove Avenue Post Office Box 800 Rosemead, California 91770 Telephone: (626) 302-6945 Facsimile: (626) 302-2610 E-mail: [email protected]

Dated: October 25, 2016

EXHIBIT 1

EVOLVING OUR GRID:

SYSTEM PLANNING AND GRID MODERNIZATION GRC OVERVIEW

Evolving Our Grid: System Planning and Grid Modernization

GRC Overview

October 24, 2016

Objective and Agenda

• Setting the stage: distribution system overview

• The evolving grid: drivers

• Grid modernization and reinforcement Programs

• Evaluating DER as cost effective alternatives

• GRC details: Grid modernization and reinforcement programs– Distribution Automation – Substation Automation– Communications – IT Software – Grid Reinforcement and 4kV Programs

1

Today’s objective is to provide information and answer questions about our plan for evolving the grid as articulated in our GRC.

Setting the Stage: Distribution System Overview

2

Substations consist of multiple circuits feeding a large area.

This substation is comprised of 14 circuits, feeding over 13,500 customers.A circuit is fed from a single circuit breaker at a substation and feeds multiple transformers

This circuit feeds over 1500 customers utilizing over 150 service transformers.

Multiple meters could be fed by a single transformer

This transformer serves 8 customersThe service meter is the interconnection point between the utility and the customer

This feeds a single customer

Anatomy of a Distribution System

3

In a conventional distribution circuit, power flows in one direction from the substation to the customers’ load.

Overhead Distribution Circuits

4

Open Switch

Switch toanother circuit

Closed switch

Circuit Breaker

Capacitor BankTransformer

Fuse

Today’s Distribution System

• Radial distribution design is reconfigurable

• Traditional operations are largely manual, based on predictable one-way flow of energy

5

While the system may seem straight forward when we zoom in, in reality, there are many possible configurations and operational complexity.

Transmission NetworksThe transmission system is designed as a network to support

reliability relying on multi-directional power flow.

6

SCE’s Electric Power System Components

7

SCE’s Current Reliability

8

The industry is seeing reliability improvement year-over-year in both the duration and frequency of outages while SCE’s reliability is flat to declining.

Today, SCE makes “traditional” grid investments to maintain reliability, not improve reliability• Replacement of aging

infrastructure (4kV, cable and conductor, substation equipment)

• Basic automation to facilitate restoration with substation level visibility and control of grid equipment

*WOP is “With Out Plan” or repair outageshttp://grouper.ieee.org/groups/td/dist/sd/doc/Benchmarking-Results-2015.pdf

2016 WOP* SAIDI

Existing Grid Operations are Based on Limited Visibility

OperationalRequirements Current Level of Visibility Supporting Equipment

Power flowvisibility andestimation

Three phase circuit and transformer loading at substation

SCADA (various technologies), RTUs, outage, distribution, and energy management systems

Fault location General fault location upon inspection, customer call, some smart meter analytics

“Manual” fault indicators, smart meter

Voltagemonitoring and status

1- phase distribution voltage 1-phase from capacitor banks or remote control switches, smart meter indication

9

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Limited number of fault indicators

Distribution System Limitations

• Distribution communication system will reach full saturation beginning in 2018– Additional automation after full saturation could lead to inaccuracies and

slow the system down– Technology developed 20 years ago

• Need granular visibility to advance our planning and operating capabilities– Current operations (voltage regulation), fault location based on estimation

methods

• Safety and reliability exposure– E.g., overstressed circuit breakers– Increased complexity to operate and switch distribution system circuits due

to variable and intermittent power flows

10

The grid was not designed to meet the demands of today and the future.

The Evolving Grid: Drivers

11

Key Drivers to Evolve the Grid

12

State Energy and Environmental

Policy

Customer Choice and Reliability

Increasingly complex grid

Grid modernization supports state policy objectives to increase energy from renewables and decrease greenhouse gas emissions.

Customers have more choices and are increasingly adopting DERs and have higher expectations for reliability for their electronic-dependent lives.

As distributed resources are added to the grid, operating characteristics of the grid are changing leading to increased complexity.

“This traditional system was not designed to meet many emerging trends, such as greater adoption of relatively low inertia generation sources, growing penetration of distributed generation resources, and the need for greater resilience. As described in several recent studies, a modern grid must be more flexible, robust, and agile.” -- DOE Quadrennial Technology Review, 2015

Key Driver: Increasingly Complex Grid

13

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As distributed energy resources are added to the grid, operating characteristics of the grid are changing, leading to increased complexity.

• Peak Time for Distribution Circuits Load and PV do not typically coincide

• The grid needs to accommodate this available power for the benefit of the customer and the grid

• Shaded areas show 3-phase reverse powerflow and intermittent output from PV from an actual circuit, this appears as one-way flow to operators

• Operators need visibility to power flow magnitude and direction

Key Driver: State Energy and Environmental Policy

14

2050

• Reduce GHG emissions to 40% below 1990 levels

• 50% of electricity sales from renewables

• Reduce GHG emissions to 80% below 1990 levels

• Reduce GHG emissions to 1990 levels

• 33% of electricity sales from renewables

• 1,325 MW of procured energy storage capacity by 2025

• Once through cooling• New residential construction

zero net energy

• New commercial construction zero net energy

• Double statewide energy efficiency savings

2030

2020Today

• 1.5 million electrical vehicles

2025

• Due to the size of SCE’s system, deploying the required technology will take 10 years to cover 60% of SCE’s total distribution circuits (urban circuits)

• SCE’s Grid Modernization Program can help meet the stated goals and objectives in the DRP within 10 years

Achieving our expansive energy and environmental policy goals will require taking foundational steps to evolve the grid.

Key Driver: Customer Choice and Reliability

• Electric Vehicles: 70,000 in SCE territory today; expect over 300,000 by 2020

• NEM Applications: In 2008, averaged 250 per month; in 2015, averaged 4,000-5,000 per month

• Federal tax credit increases customer incentives for DERs

15

Customers Are Adopting DER Customers Need Reliable Service

• Modern society is increasingly more dependent on electricity

• 42% of customers in the West would not accept a two-day power outage, even if they were paid as much as $1,000 for it

• 64% of customers responded that power outages cause “really significant problems” for their households

• 71% of customers with income less than $40,000, said outages cause “really significant problems”

*Source: T&D World Magazine, Reliability Demand Survey Finds Many Americans Have Low Tolerance for Power Outages (May2012), available at: http://tdworld.com/smart-energy-consumer/reliability-demand-survey-finds-many-americans-have-low-tolerance-power-outage

Grid Modernization and Reinforcement Programs

16

Grid Modernization Investments Work Together to Provide Multiple Benefit Streams Concurrently

17

Enable DER integration and

adoption

Realize DER benefits

Enhance safety and reliability

Support customer technology and service choices

Enable opportunities to obtain value from DERs through wholesale and distribution grid services (e.g., distribution deferral)

Improve system reliability and outage restoration while supporting increasing levels of DERs and two-way flow of energy

We have taken a holistic approach to evolve our distribution design philosophy to most efficiently address changing expectations of the grid.

Grid Modernization Benefit: Enhanced Safety & Reliability

18

63%

37%

18%

65%

39%

21%

0%

10%

20%

30%

40%

50%

60%

70%

(0, 0) (1, 1) (2, 2)

Number of existing mid and tie switches (Mid, Tie)

% SAIDI Improvement % SAIFI ImprovementImage source: U.S. Department of Energy Office of Electricity Delivery and Energy Reliability, (Nov 2014), Fault Location, Isolation, and Service Restoration Technologies Reduce outage Impact and Duration, Retrieved from https://www.smartgrid.gov/document/fault_location_isolation_and_service_restoration_technologies_reduce_outage_impact_and.html

The changing operating conditions of the grid requires increased automation, communication, and analytic capabilities.

Expected reliability improvements realized through adding three mid-point and three tie switches to distribution circuits.

FLISR reduced the number of customers interrupted by up to 45%, and reduced the customer minutes of interruption by up to 51% for an outage event.

Results from SCE 2016 Study

Grid Modernization Benefits: Enable DER Integration and Adoption

• Proactively remove forecasted constraints due to voltage, thermal, and protection limitations

• Timely information updates to reflect grid changes

• Leverages collected field data to improve models to maximize integration capacity

10

20

30

40

50

60

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2,000

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4,000

5,000

6,000

7,000

2010 2011 2012 2013 2014 2015 2016

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Installed

Num

ber

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esid

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ons

Number of Installations MW Installed

19

Transparent, actionable information on available capacity and benefits in specific locations enables customers and developers to better forecast

costs and can help to fast-track interconnection.

Monthly Installations and MW Installed in SCE

(installations less than 1 MW)

Grid Modernization Benefits: Realize DER Benefits

Image source: http://www.solarcity.com/company/distributed-energy-resources

20

New capabilities are needed to create opportunities for DERs to increase efficiencies, defer traditional infrastructure investments, and facilitate DER

ability to achieve wholesale value.

Traditional capital upgrades result in additional operating margin

Leveraging DERs as solutions will require granular monitoring and control due to

reduced operating margin

Grid Modernization Enables Capabilities in Three Categories Needed to Realize Benefits

21

Leverage increased amounts of field data to analyze past, current and future network models to make accurate decisions about future infrastructure needs and incorporate the effects and expectations of DERs.

Enhance operational capabilities to assess, monitor, analyze, and manage grid resources including DERs to enable quick responses to outages and optimize DER for customer and grid benefit.

Help transfer field data and connect substations and grid resources to enable analysis and support decision-making in the needed timeframes.

Foundational capabilities are enabled by the collection of grid modernization elements working together.

Communications

Planning

Operations

Operations Capabilities

22

Operations enhancement will provide more granular visibility to system conditions, and the ability for system operators to reconfigure

the distribution grid and dispatch resources.

Communications Capabilities

23

Communication systems must be secure, require larger bandwidth and low latency to support needed data transfer for timely, quality decisions.

FieldArea

Network

Wide AreaNetwork

DERProviderNetwork

Secure Gateway

Planning Capabilities

24

Planning tools will enable forecasting, analysis, and sharing.

Load GrowthNeed

Hosting Capacity

Need

Reliability & Operational

Need

Identify Optimal Locations

System Analysis External Communication

Optimal Grid SolutionsGrid Analytics

Capacity AnalysisVoltage Analytics

Determine optimal solutions

Load and DER Forecasting

Long Term Planning Tools DRP External Portal

Grid Interconnection Processing Tool

Historical Load Profiles

Substation/Circuit Time Series Profile

Forecasts

Outage Analytics

System Modeling Tool

StreamlinedInterconnection

Present Information Online

Load & DER Growth Develop Wires Solutions

Long Term Planning Tools

Grid Analytics Applications

• Integrated• DER growth• Base growth

Grid Modernization and Reinforcement Elements• Automation: Adding distribution and substation technology to gather data,

monitor, and manage grid resources in real time

• Communications: Upgrading communication networks, such as expanding the fiber optic and field area networks to support timely data transport

• Technology Platforms: Developing improved analytics platforms for planning, operations, outage management, interconnection, and transparency for customers

• Grid Reinforcement, 4kV Systems: Updating infrastructure to address capacity, reliability, and equipment obsolescence

25

Grid Reinforcement; Remove 4kV1

1

2

3

4

4

3 2

Evaluating DER as Cost Effective AlternativesTraditional Infrastructure Deferral Pilots

26

Grid Modernization Benefits: Deferral Pilot

SCE proposes a pilot to evaluate the potential deferral of eight load growth projects by using DERs in concert with a modern distribution system• Analyze deferral opportunities across a range of characteristics including climate zone,

customer and geographic diversity, and DER performance in concert with grid modernization

• Results will inform how DERs can be integrated into SCE’s planning criteria in a safe, reliable, and effective manner

• Potentially refund to customers the revenue requirement associated with the approximately $40 million capital request in this GRC

Test whether DERs can have a measurable impact on transformer life. • Determine loading characteristics and portfolio of DERs that would be required to extend

the life of a transformer• Results of this pilot will help show whether DERs can provide life extension benefits to

transformers

27

The capabilities realized through grid modernization will help enable opportunities for DERs including the opportunity to

defer traditional infrastructure projects.

Grid Modernization and Reinforcement GRC Details

28

4a Grid Reinforcement

4b 4kV Systems

1a Distribution Automation

1b Substation Automation

2 Communications

3 IT Tools

Grid Modernization and Grid Reinforcement Programs

29

$21 $117

$392 $408 $417

$8

$23

$60

$128 $147

$10

$37

$70

$78 $59

$152

$197

$275

$292 $233

$0

$200

$400

$600

$800

$1,000

2016 2017 2018 2019 2020

Nom

inal

($M

)

Automation Communications IT Tools Grid Reinforcement and 4kV

Increasing situational awareness with more near real-time telemetry data points throughout the circuits that help identify issues quickly and accurately

Facilitating remote isolation and restoration, decreasing outage duration and area of impact

Increasing operational flexibility with appropriately-sized line sections for circuit switching, which will minimize de-energized sections during planned and unplanned outages

1a. Distribution Automation

Definition

4a1b 32 4b

SCE’s Distribution Automation effort improves on the historical circuit automation program by installing automatic switches, sensors and circuit connections:

30

1 2 3

A fault occurs downstream of the mid-point RCS.

Half the customers (Group A and B) will experience a momentary outage.

Half the customers (Group C and D) will experience a sustained outage.

The same fault occurs downstream of the mid-point RCS. Group A customers do not experience any interruption because RIS a is able to immediately detect, isolate, and interrupt the fault.

Half of the customers will be restored momentarily. Power will be restored to Group B through Sub A and to Group D through Sub B.

Group C will experience a sustained outage.

Configuration Scenario

4a32 4b

Open Switch

Closed Switch

Fault

RCSRemote Controlled Switch

Circuit Breaker

Substation

Energized Line (Arrow Shows General Direction of Flow)

Not Energized Line

RISRemote Intelligent Switch

No Outage

Momentary Outage (< 5 mins)

Outage

Grid Modernization Distribution Automation (after switching)

Historical Distribution Automation (after switching)

1a. Distribution Automation 1b

31

4a3

Necessity

Substation

Load: Load:

Generation:

Perceived Load:

?

Challenges:Inability to monitor equipment loading throughout the circuit.

Impaired ability to switch/transfer loads between circuits.

Erosion of current reliability from impaired ability to restore power following faults.

Challenges:Opportunity for improved reliability from ability to transfer smaller loads off of faulted circuits.

Opportunity for greater for DER utilization.

2 4b

Substation A

Load: Load: Load:

Substation B

Load:

1a Distribution Automation 1b

Masked Load Transfer Load

32

Scope & Deployment

4a32 4b1a Distribution Automation 1b

• New circuit design consists of 3 mid-point switches, 3 circuit ties– Allows for manageable load blocks for reconfiguration (~100A)– Minimizes customer impacts due to outages– Provides necessary data to inform current state power flow

• Remote fault indicators are strategically deployed along circuits at tap lines and branches to optimize fault location (~10 per circuit)

• Augmenting 200 WCR circuits with automation each year 2018-2020

• Full automation of 88 DER-directed circuits each year 2018-2020; locations selected to:

– Facilitate capital deferral pilots– Mitigate high penetration of DERs (4 or more circuits with reverse power flow from

same sub)– Realize potential DER benefits (high asset utilization)

33

Cost

4a32 4b

Methodology:Cost forecasts were calculated by multiplying the number of Non-WCR Circuits Receiving Full DER Enabling Automation and WCR Circuits Receiving Augmented Automation against their respective unit costs:

• Non-WCR: Full DER Enabling Automation Unit Cost x Number of Non-WCR Circuits• WCR: (Full DER Enabling Automation Unit Cost – WCR Non-Augmented Automation

Unit Cost) * Number of WCR Circuits

1a Distribution Automation 1b

Distribution Automation Full Deployment

Year

WCR Circuits Receiving Augmented

Automation

Unit Cost(Nominal,

$000s)

Non-WCR Circuits Receiving Full DER

Enabling Automation

Unit Cost(Nominal,

$000s)

Total Forecast Spend

(Nominal, $000s)

2018 200 $ 907.3 88 $ 1,087.6 $ 277,168 2019 200 $ 935.8 88 $ 1,121.7 $ 285,863 2020 200 $ 965.5 87 $ 1,157.4 $ 293,795

34

Benefits

4a1a Distribution Automation 1b 32 4b

• Enables improved system reliability and outage restoration while supporting increasing levels of DERs and two-way flows of energy:

– Reliability improvement is measured by customer minutes of interruption (CMI) and the customer’s cost per CMI:• Reduction of 23 million CMI and 167,000 customer interruptions (CI) in 2019 on WCR circuits• Reduction of 1.3 million CMI and 15,000 CI in 2019 on focused circuits.

From the customers’ perspective, the resulting reduction of 24 million CMI at a value of $2.321 per averted CMI in effect pays for the grid modernization investment in less than 5 years• Enables increasing DER adoption by addressing otherwise limiting factors for hosting

capacity caused by masked gross load and supply resources (e.g., DG & energy storage).

• Enables optimal use of DER resources by customers and for CAISO and distribution grid services by managing constraints through circuit reconfigurations – which is the most effective & efficient means to manage distribution constraints.

35

1 Based on “Southern California Edison Customer Interruption Cost Analysis” performed by Nexant

4a1a 1b Substation Automation & Common Substation Platform (CSP) 32 4b

Definition

SA-3: Control system for substations which will enable remote control of and data acquisition from substation equipment.

CSP: Computing platform (hardware and software) which will serve as the communication and control hub between the operations center and the substation equipment and distribution circuit equipment and sensors.

36

4a32 4b

Necessity

1a 1b Substation Automation & CSP

SA-3:Existing RTUs and SAS-1 systems are aging and approaching end of life, unsupported by manufacturers, cyber-insecure, limited remote control capabilities, and cannot support remote resetting of circuit breaker trips.

CSP: Distribution Automation enablement:

• DA switches and telemetry will require a cyber-secure communication link to the operations control center.

• Optimal performance of grid and DER devices will require distributed intelligence.

SA-3 enablement:• SA-3 will require a cyber-secure communication link back to the operations

control center.

37

4a32 4b

Scope & Deployment

396 substations will be upgraded over the next ten years based on locations where multiple circuits will be automated.

Of these:• 320 currently have only SAS-1 or RTU levels of

automation and will receive both SA-3 and CSP. • 76 currently have SAS-2 level of automation

and will only receive the CSP component to enable cybersecurity functionality.

Deployment of the Substation Automation plan will occur in two phases:

1) a small scale deployment in 2017, to validate system capabilities, and

2) full deployment from 2018-2020 of approximately 30 SA-3 systems per year on average.

A prioritization process will target those substations where both capacity constraints exist and DERs can provide grid benefits.


38

4a32 4b

Benefits


• The CSP will provide the communication link from DA switches and telemetry necessary to ensure future DERs do not erode current level of reliability.

• The CSP will provide distributed intelligence necessary to realize improved reliability from enhanced DA switching capabilities.

• The CSP will provide modern cybersecurity.

• SA-3 will improve safety by enabling prompt adjustment of relay trip settings following circuit realignments.

39

4a1a 3 4b1b 2 Communication

Definition

FAN: Modern radio system allowing distribution automation switches and sensors to communicate with one another and the substation.

WAN: Expansion of existing fiber optic cable system between operations control centers and substations.

40


Necessity and Benefits

NetComm Utilization• Existing NetComm radio system

(now 20 years old) currently has a typical command cycle time of two minutes.

• The NetComm system will be impacted due to inadequate speed and capacity.

41

FAN:• Will enable the connection of over 250,000 distribution devices, with a device-to-device

latency of less than 100 milliseconds and an overall latency of less than 15 seconds.

WAN• Data transmission speed and volume demands expected with future DERs, DA, SA-3,

and CSPs, need to be supported with fiber optic communication between substations.


Scope & Development

FAN Deployment Plan

A failure-resistant “mesh” network only works with other radios nearby.

This “mesh” requirement mandates deployment by geographical area.

WAN Deployment Plan

42

These 531 miles of fiber will connect 42 substations. Connecting all substations requiring fiber will require an additional 252 miles beyond this GRC cycle.

* Fiber terminal upgrades are needed because the existing fiber terminals, designed for lower speed SCADA and protective relaying circuits, will not support the high speed requirements of SA-3 and FAN.

3 IT Tools – SMT / DRP EP 4a1a 4b1b 2

The System Modeling Tools (SMT) leverages power system modeling for engineering analysis of the distribution grid.

Distribution Resource Plan External Portal (DRPEP) is an interactive web portal that publishes analyses results.

• Enables batch power flow, short circuit duty, transients, protection coordination, harmonics, capacity optimization

• Public has immediate web access to information/data regarding circuit interconnection capacities.

• Provides DER ICA on every line section and node

• DER owners or operators can upload DER data

• Publishes LNBA results

What ?

Current software tools used for analyzing capacity require significant manual efforts that rely upon conservative assumptions which limit precision.

• Customers face long delays in obtaining responses and results for feasibility requests to connect DERs

• Engineering analyses employs conservative assumptions,

• Forecasted growth in application submittals increases time required for interconnection review

• SCE system information published in DERiM is updated only monthly. Dated information can misinform customers’ interconnection decisions

Necessity

DER adoption is encouraged by improving SCE processes that calculate and publish system planning and interconnection data such as ICA

• Accurate assessment of DER siting opportunities is improved through granular understanding of load and available capacity throughout the grid

• Enables web based, interactive tools to support data interrogation, analysis, and download

• Interconnection process unhindered by conservative modeling assumptions and with minimal delay.

• Greater precision is streamlined to perform power system analyses on SCE electrical system

Benefits

43

3 IT Tools – SMT / DRP EP 4a1a 4b1b 2

44

System Modeling Tool

Scope & Development

DRP External Portal

3 IT Tools – GMS 4a1a 4b1b 2

SCE’s Grid Management System (GMS) is an advanced software tool that will receive and analyze real-time information on customer energy usage, power flows, outages, faults and micro-grid status.

• Interface between operators in the control centers and grid assets to facilitate operations in response to or in preparation for grid events

• Enhanced reliability, optimization, operational, DER, and infrastructure management applications that include a heightened level of intelligence and control necessary to effectively manage an increasingly complex distributed grid.

What ?

With DERs being connected to the grid, operators have been given a fourth responsibility – optimize the benefits of DERs.

• Limited information available to the operator about distribution circuitry and limited level of control an operator has over the circuit.

• Increased adoption of DERs increases grid management inadequacies that will not allow:a. Power flow optimization

including DERsb. Distribution system situational

awarenessc. Protection re-config with

dynamic settingsd. Integrated switching

management

Necessity

The GMS will provide safety and reliability benefits and support the realization of DER Potential

• Limits the extent and duration of unplanned outages

• Enables effective switching management

• Provides distribution system situational awareness

• Provides actionable information and recommendations to system operators

• Enables reconfigurable protection to support public and worker safety and avoid equipment damage

• Optimizes system power flow and leverages DERs

Benefits

45

3 IT Tools – GMS 4a1a 4b1b 2

Scope and Development

Phase 1:• Integrate existing DMS and OMS functions and enhance with required GMS functions that include the following: real-time situational awareness and analysis, operational planning, DER management, and infrastructure management functions. Target completion in 2019.

Phase 2: • Build upon previous phase in introducing complex grid management functions to manage and optimize DERs to utilization and enhance grid reliability. This phase includes functions such as power flow optimization, reconfigurable protection, micro-grid management, and a comprehensive training simulator to support organization readiness of the new grid management functions. Target completion in 2020.

46

3 4a Grid Reinforcement1a 1b 2 4b

Grid Reinforcement Programs

47

• Distribution Circuit Upgrades– Covers short term upgrades needed to solve distribution needs that arise due to

increased demand• Mitigation of overloads• Facilitate load balancing• Proportional to the amount of system wide annual load growth

– Work types covered• Installing new switches• Upgrading sections of cable or conductor• Installing to conductor to create circuit ties

– Additional drivers• DER-driven upgrades

• DER IEPR forecast at the circuit level identified overloads on specific circuits• Assumes smart inverters can self-regulate and correct voltage problems• Assumes even distribution of DERs (not clustered)

• Substation Equipment Replacement SERP covering overstressed circuit breakers

• 4kV Upgrades– Cutovers and eliminations

48

• SCE’s current forecasts require additional grid upgrades to integrate DERs forecast for 2020*

– Over 80 miles of reconductor needed (voltage, thermal, or protection limits exceeded)

– Over 50 circuit breakers will need replacement for safety reasons (fault current exceeds breaker rating)

– Over 11 additional 4kV substations estimated to experience reverse power flow which inhibit the adequate operation of these substation

• The identified grid upgrades will insure that DERs can continue to be connected to the distribution system while maintaining system safety and reliability

• The required additional scope was identified by taking into account existing system conditions (system ratings and DER) and DER projection to 2020*

* Based on preliminary analysis of updated DER growth scenarios

3 4a Grid Reinforcement1a 1b 2 4b

• 4kV Programs include cutovers (since 2006 GRC), and eliminations (since 2015 GRC)

• Program Drivers– Aging infrastructure– Operational flexibility constraints– Operation and maintenance constraints– Need for expansion and space constraints– Insufficient capacity– Forecasted reverse power flow

• Alternatives– Run to failure– Manual load curtailment– Rebuild existing substation– Partial cutovers

3 4a1a 1b 2 4b 4kV Systems

4kV Elimination Program

49

• Approximately 20% of SCE’s circuits are 4kV, serving mostly older residential neighborhoods

– Approximately 26% of SCE’s customers are in disadvantaged communities– Approximately 44% of customers in disadvantaged communities are on 4kV circuits

• Greater than 50% were installed over 50 years ago

• 4kV Cutovers are intended to mitigate significant overloads– Thermal– Unbalance and ground protection

• 4kV elimination removes aging substations and circuits and converts to available 12 and 16kV facilities

• 4kV circuits have lower load and DER capacity

• Approximately 20% of SCE’s 4 kV substations are completely “islanded”– There is no ability to pick up load during planned or unplanned outages

• The overall cost of providing energy at 4 kV is higher than either 12 kV or 16 kV due to higher losses at the lower voltage


50

Many 4 kV substations are in space constrained areas, limiting the possibility of expansion


51

Wrap-up

52

Grid Modernization is Essential to Evolve the Grid to Support Our Customers and Achieve State Goals

• The grid has and continues to change as technologies evolve and customers utilize the grid in expanding ways

• Different operational conditions are emerging that require capabilities the current grid and utilities need to evolve and develop

• The ability for customer-owned DERs to provide distribution and transmission grid operations requires tight coordination between the DER operator, the utility, and the ISO to ensure reliability and confirm DER performance for compensation

53

SCE looks forward to additional opportunities to discuss and clarify our grid modernization and reinforcement plans.

Thank you

54

1


STATE OF CALIFORNIA


Rulemaking 14-08-013 (Filed August 14, 2014)



(NOT CONSOLIDATED)






CERTIFICATE OF SERVICE

I hereby certify that, pursuant to the Commission’s Rules of Practice and Procedure, I have this day served a true copy of NOTICE OF EX PARTE COMMUNICATIONS OF SOUTHERN CALIFORNIA EDISON COMPANY (U 338-E) on all parties identified on the attached service list(s), R.14-08-013. Service was effected by one or more means indicated below:

☒ Transmitting the copies via e-mail to all parties who have provided an e-mail address. ☒ Placing the copies in sealed envelopes and causing such envelopes to be delivered by hand or by overnight courier to the offices of the ALJ(s):

ALJ Robert Mason ALJ Peter Allen CPUC CPUC 505 Van Ness Avenue 505 Van Ness Avenue San Francisco, CA 94102 San Francisco, CA 94102

2

Executed this 25th day of October, 2016, at Rosemead, California. /s/ Norman Goss____________________________

Norman Goss, Legal Administrative Assistant SOUTHERN CALIFORNIA EDISON COMPANY

2244 Walnut Grove Avenue Post Office Box 800 Rosemead, California 91770

PROCEEDING: R1408013 - CPUC - OIR REGARDING FILER: CPUC LIST NAME: LIST LAST CHANGED: OCTOBER 25, 2016

DOWNLOAD THE COMMA-DELIMITED FILE ABOUT COMMA-DELIMITED FILES

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KATIE JORRIE KATY MORSONY DAVIS WRIGHT TREMAINE, LLP ALCANTAR & KAHL EMAIL ONLY EMAIL ONLY EMAIL ONLY, CA 00000 EMAIL ONLY, CA 00000

KELLY KNUTSEN KEVIN C. SMITH POLICY ADVISOR ENERGY GENERATION SPECIALIST CALIFORNIA SOLAR ENERGY INDUSTRY. ASSN CALIFORNIA ENERGY COMMISSION EMAIL ONLY EMAIL ONLY EMAIL ONLY, CA 00000 EMAIL ONLY, CA 00000 FOR: CALSEIA

KEVIN FALLON KEVIN JOYCE GLOBAL EQUITIES MANAGER, GRID ENGINEERING SOLUTIONS CITADEL SOLARCITY EMAIL ONLY EMAIL ONLY EMAIL ONLY, NY 00000 EMAIL ONLY, CA 00000

KEVIN PUTNAM LAUREN DUKE DIRECTOR, FIELD ENGINEERING DEUTSCHE BANK SECURITIES INC. PACIFICORP EMAIL ONLY EMAIL ONLY EMAIL ONLY, NY 00000 EMAIL ONLY, CA 00000

MARC COSTA MARC D JOSEPH ENERGY COALITION ATTORNEY EMAIL ONLY ADAMS BROADWELL JOSEPH & CARDOZO, PC EMAIL ONLY, CA 00000 EMAIL ONLY EMAIL ONLY, CA 00000

MARK SHAHINIAN MCE REGULATORY EMAIL ONLY MARIN CLEAN ENERGY EMAIL ONLY, CA 00000 EMAIL ONLY



EMAIL ONLY, CA 00000

MICHAEL NGUYEN MIKE CADE ENERGY COALITION ALCANTAR & KAHL EMAIL ONLY EMAIL ONLY EMAIL ONLY, CA 00000 EMAIL ONLY, CA 00000

MORGAN LEE NEAL DE SNOO NEWS REPORTER CITY OF BERKELEY U-T SAN DIEGO EMAIL ONLY EMAIL ONLY EMAIL ONLY, CA 00000 EMAIL ONLY, CA 00000

NELLIE TONG OLOF C.D. BYSTROM, PH.D SENIOR CONSULTANT HEAD OF SECTION, WHOLESALE ENERGY DNV KEMA ENERGY & SUSTAINABILITY DNV-GL EMAIL ONLY EMAIL ONLY EMAIL ONLY, CA 00000 EMAIL ONLY, CA 00000

PATRICK FERGUSON PAUL D. HERNANDEZ DAVIS WRIGHT TREMAINE, LLP ENERGY & TRANSPORTATION POLICY MANAGER EMAIL ONLY CENTER FOR SUSTAINABLE ENERGY EMAIL ONLY, CA 00000 EMAIL ONLY EMAIL ONLY, CA 00000

PAUL ZIMBARDO PETER T. PEARSON CITADEL GLOBAL EQUITIES ENERGY SUPPLY SPECIALIST EMAIL ONLY BEAR VALLEY ELECTRIC SERVICE EMAIL ONLY, NY 00000 EMAIL ONLY EMAIL ONLY, CA 00000

RACHEL GOLD SACHU CONSTANTINE POLICY DIRECTOR DIR - POLICY LARGE-SCALE SOLAR ASSOCIATION CENTER FOR SUSTAINABLE ENERGY EMAIL ONLY EMAIL ONLY EMAIL ONLY, CA 00000 EMAIL ONLY, CA 00000

SCOTT MCGARAGHAN SEPHRA A. NINOW HEAD OF ENERGY PARTNER PRODUCTS REGULATORY AFFAIRS MGR. NEST LABS, INC. CENTER FOR SUSTAINABLE ENERGY EMAIL ONLY EMAIL ONLY EMAIL ONLY, CA 00000 EMAIL ONLY, CA 00000

SHALINI SWAROOP SHALOM FLANK, PH.D REGULATORY & LEGISLATIVE COUNSEL MICROGRID ARCHITECT MARIN CLEAN ENERGY EMAIL ONLY EMAIL ONLY EMAIL ONLY, DC 00000 EMAIL ONLY, CA 00000

STEPHEN LUDWICK TIM OLSEN ZIMMER PARTNERS ENERGY COALITION EMAIL ONLY EMAIL ONLY EMAIL ONLY, CA 00000 EMAIL ONLY, CA 00000



TIMOTHY BURROUGHS TOM HUNT CITY OF BERKELEY DIRECTOR, RESEARCH & GOVERNEMNT AFFAIRS EMAIL ONLY CLEAN ENERGY COLLECTIVE EMAIL ONLY, CA 00000 EMAIL ONLY EMAIL O NLY, CA 00000

UDI HELMAN VALERIE KAO HELMAN ANALYTICS EMAIL ONLY EMAIL ONLY EMAIL ONLY, CA 00000 EMAIL ONLY, CA 00000

VIDHYA PRABHAKARAN MRW & ASSOCIATES, LLC ATTORNEY EMAIL ONLY DAVIS WRIGHT & TREMAINE, LLP EMAIL ONLY, CA 00000 EMAIL ONLY EMAIL ONLY, CA 00000

DAVIS WRIGHT TREMAINE LLP BENJAMIN AIRTH EMAIL ONLY CENTER FOR SUSTAINABLE ENERGY EMAIL ONLY, CA 00000 EMAIL ONLY EAMIL ONLY, CA 00000-0000

KAREN TERRANOVA LAURA WISLAND ALCANTAR & KAHL UNION OF CONCERNED SCIENTISTS EMAIL ONLY EMAIL ONLY EMAIL ONLY, CA 00000-0000 EMAIL ONLY, CA 00000-0000

NAIMISH PATEL FRANK WOLAK PRESIDENT & CEO VP - GOV'T BUSINESS GRIDCO SYSTEMS, INC. FUELCELL ENERGY, INC. 10-L COMMERCE WAY 3 GREAT PASTURE ROAD WOBURN, MA 01801 DANBURY, CT 06810

BRIAN FITZSIMONS JONATHAN ARNOLD QADO ENERGY, INC. DEUTSCHE BANK 55 UNION PLACE 60 WALL STREET SUMMIT, NJ 07901 NEW YORK, NY 10005

MATTHEW DAVIS JAMES (JIM) VON RIESEMANN CARLSON CAPITAL, L.P. MIZUHO SECURITIES USA, INC. 712 5TH AVENUE, 25TH FLR. 320 PARK AVENUE, 12TH FLOOR NEW YORK, NY 10019 NEW YORK, NY 10022

PAUL FREMONT ARMAN TABATABAI NEXUS CAPITAL RESEARCH 666 FIFTH AVENUE MORGAN STANLEY NEW YORK, NY 10022 1585 BROADWAY, 38TH FL. NEW YORK, NY 10036

JESSIE CROZIER JIM KOBUS BANK OF AMERICA MERRILL LYNCH RESEARCH



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GREGORY REISS LAURA KIER MILLENNIUM MANAGEMENT LLC ENERGYHUB 666 FIFTH AVENUE, 8TH FLOOR 232 3RD STREET NEW YORK, NY 10103 BROOKLYN, NY 11215

DAVID LOVELADY BRANDON SMITHWOOD SENIOR CONSULTANT SOLAR ENERGY INDUSTRIES ASSOCIATION SIEMENS INDUSTRY, INC. 600 14TH STREET, NW, SUITE 400 400 STATE STREET WASHINGTON, DC 20005 SCHENECTADY, NY 12305

KATHERINE HOFFMASTER LEONARD C. TILLMAN NEXTERA ENERGY RESOURCES PARTNER 700 UNIVERSE BLVD., FEJ/JB BALCH & BINGHAM LLP JUNO BEACH, FL 33405 1710 SIXTH AVENUE NORTH BIRMINGHAM, AL 35203-2015

ANU VEGE KELLY CRANDALL DIRECTOR, REGULATORY RELATIONS EQ RESEARCH, LLC PACIFIC GAS AND ELECTRIC COMPANY 1400 16TH ST., 16 MARKET SQR., STE. 400 77 BEALE STREET, MAIL CODE B10C DENVER, CO 80202 SAN FRANCISCO, CA 64105

CAMERON BROOKS BRANDON SMITHWOOD E9 ENERGY INSIGHT MGR. - CALIF. STATE AFFAIRS 1877 BROADWAY, SUITE 100 SOLAR ENERGY INDUSTRIES ASSOCIATION BOULDER, CO 80304 EMAIL ONLY EMAIL ONLY, CA 90000

ELIZABETH BAIRES KENDRA TALLEY REGULATORY MGR SOUTHERN CALIFORNIA GAS COMPANY SOUTHERN CALIFORNIA GAS COMPANY 555 W. FIFTH STREET, GT14D6 555 W. FIFTH ST., GT14D6 LOS ANGELES, CA 90013 LOS ANGELES, CA 90013

YVONNE MEJIA PENA STEVEN D. PATRICK REGULATORY CASE MGR. SENIOR COUNSEL SOUTHERN CALIFORNIA GAS COMPANY SOUTHERN CALIFORNIA GAS COMPANY 555 W. FIFTH STREET, GT14D6 555 WEST 5TH STREET, GT14E7 LOS ANGELES, CA 90013 LOS ANGELES, CA 90013-1011 FOR: SOUTHERN CALIFORNIA GAS COMPANY

MABELL GARCIA PAINE HARVEY M. EDER PRINCIPAL DIR ICF INTERNATIONAL PUBLIC SOLAR POWER COALITION 601 W 5TH STREET, STE. 900 1223 WILSHIRE BLVD. LOS ANGELES, CA 90071 SANTA MONICA, CA 90403-5406

LENA LUNA DANIEL W. DOUGLASS



SR. ENERGY PROJECT MGR. ATTORNEY SO. BAY CITIES COUNCIL OF GOVERNMENTS DOUGLASS & LIDDELL 20285 S. WESTERN AVE., STE. 100 4766 PARK GRANADA, SUITE 209 TORRANCE, CA 90501 CALABASAS, CA 91302 FOR: DIRECT ACCESS CUSTOMER COALITION / WESTERN POWER TRADING/ALLIANCE FOR RETAIL ENERGY MARKETS (AREM)

ALLISON BAHEN ANNA CHING EDISON INTERNATIONAL SOUTHERN CALIFORNIA EDISON COMPANY 2244 WALNUT GROVE AVE. 2244 WALNUT GROVE AVE. ROSEMEAD, CA 91770 ROSEMEAD, CA 91770

CASE ADMINISTRATION SCOTT CUNNINGHAM SOUTHERN CALIFORNIA EDISON COMPANY EDISON INTERNATIONAL 2244 WALNUT GROVE AVE ./ PO BOX 800 2244 WALNUT GROVE AVE. ROSEMEAD, CA 91770 ROSEMEAD, CA 91770

SHAWN BAILEY SOMA BHADRA DIRECTOR - PLANNING & ANALYSIS CEO SEMPRA US GAS AND POWER PROTEUS CONSULTING 488 8TH STREET 4087 ALABAMA ST. SAN DIEGO, CA 92101 SAN DIEGO, CA 92104

DAVID LENTSCH JOHN A. PACHECO DIRECTOR ATTORNEY GRIDCO SYSTEMS, INC. SAN DIEGO GAS & ELECTRIC COMPANY 402 WEST BROADWAY, SUITE 400 8330 CENTURY PARK CT., CP32 SAN DIEGO, CA 92109 SAN DIEGO, CA 92123

JOSEPH M. MCCAWLEY CENTRAL FILES REGULATORY CASE MGR. SAN DIEGO GAS & ELECTRIC COMPANY SAN DIEGO GAS & ELECTRIC COMPANY 8330 CENTURY PARK CT, CP31-E 8330 CENTURY PARK COURT, CP32F SAN DIEGO, CA 92123-1530 SAN DIEGO, CA 92123 FOR: SAN DIEGO GAS & ELECTRIC COMPANY

KEN DEREMER LAURA J. MANZ DIRECTOR, TARIFF & REGULATORY ACCOUNTS LJ MANZ CONSULTING SAN DIEGO GAS & ELECTRIC COMPANY 12372 AVENIDA CONSENTIDO 8330 CENURY PARK COURT, CP32C SAN DIEGO, CA 92128 SAN DIEGO, CA 92123-1548

ERIC CARDELLA PAUL MARCONI SUPERVISOR, ENGINEERING & PLANNING BEAR VALLEY ELECTRIC SERVICE BEAR VALLEY ELECTRIC SERVICE 42020 GARSTIN DRIVE, PO BOX 1547 42020 GARSTIN DRIVE/PO BOX 1547 BIG BEAR LAKE, CA 92315 BIG BEAR LAKE, CA 92315

BOB TANG DR. JERRY BROWN MANAGER, POWER CONTRACTS/PROJECTS DIR. - SAFE ENERGY PROJECT RIVERSIDE PUBLIC UTILITIES WORLD BUSINESS ACADEMY 3435 14 TH STREET 2020 ALAMEDA PADRE SERRA, SUITE 135 RIVERSIDE, CA 92501 SANTA BARBARA, CA 93103



MONA TIERNEY-LLOYD PETER EVANS SR. DIR., WESTERN REGULATORY AFFAIRS PRESIDENT ENERNOC, INC. NEW POWER TECHNOLOGIES PO BOX 378 25259 LA LOMA DRIVE CAYUCOS, CA 93430 LOS ALTOS HILLS, CA 94022 FOR: ENERNOC, INC.

BRIAN KORPICS GREG THOMPSON POLICY MANAGER PROGRAM DIRECTOR THE CLEAN COALITION CLEAN COALITION 16 PALM ST. 16 PALM CT. MENLO PARK, CA 94025 MENLO PARK, CA 94025

ANTHONY HARRISON TED KO MGR. - REGULATORY AFFAIRS DIRECTOR OF POLICY STEM, INC. STEM, INC. 100 ROLLINS RD. 100 ROLLINS ROAD MILLBRAE, CA 94030 MILLBRAE, CA 94030

CANDICE YU EDWARD KIM ENERGY STORAGE BUS. DEVELOPMNT BLOOM ENERGY MERCEDES-BENZ RESEARCH & DEVELOP 1299 ORLEANS DRIVE 309 N. PASTORIA AVENUE SUNNYVALE, CA 94089 SUNNYVALE, CA 94085 FOR: MERCEDES-BENZ RESEARCH & DEVELOPMENT NORTH AMERICA, INC.

KRIS KIM ALLISON A. JOHNSON BLOOM ENERGY SHUTE MIHALY & WEINBERGER LLP 1299 ORLEANS DRIVE 396 HAYES STREET SUNNYVALE, CA 94089 SAN FRANCISCO, CA 94102

CHLOE LUKINS ERIC BORDEN CALIF PUBLIC UTILITIES COMMISSION ENERGY POLICY ANALYST ENERGY SAFETY & INFRASTRUCTURE BRANCH THE UTILITY REFORM NETWORK ROOM 4102 785 MARKET STREET, STE. 1400 505 VAN NESS AVENUE SAN FRANCISCO, CA 94103 SAN FRANCISCO, CA 94102-3214

MARCEL HAWIGER ALEX PAPALEXOPOULOS STAFF ATTORNEY ECCO INTERNATIONAL, INC. THE UTILITY REFORM NETWORK 268 BUSH STREET, SUITE 3633 785 MARKET ST., STE. 1400 SAN FRANCISCO, CA 94104 SAN FRANCISCO, CA 94103

BREWSTER BIRDSALL DAVID F. PERRINO ASPEN ENVIRONMENTAL GROUP ECCO INTERNATIONAL, INC. 235 MONTGOMERY STREET, SUITE 935 VICE PRESIDENT AND COO SAN FRANCISCO, CA 94104 268 BUSH STREET, SUITE 3633 SAN FRANCISCO, CA 94104

SHERYL CARTER ANGELIQUE PICOT



CO-DIRECTOR, ENERGY PROGRAM CASE COORDINATOR NATURAL RESOURCES DEFENSE COUNCIL PACIFIC GAS AND ELECTRIC COMPANY 111 SUTTER ST., 20/F 77 BEALE ST., MC B9A, PO BOX 770000 SAN FRANCISCO, CA 94104 SAN FRANCISCO, CA 94105

BRUCE PERLSTEIN DEREK JONES DIRECTOR, ADVISORY NAVIGANT CONSULTING, INC. KPMG LLP ONE MARKET ST., SPEAR TOWER, SUITE 1200 55 SECOND ST., STE. 1400 SAN FRANCISCO, CA 94105 SAN FRANCISCO, CA 94105

DUSTIN ELLIOTT RICHARD BEADLE MORGAN, LEWIS & BOCKIUS, LLP NEXANT, INC. ONE MARKET ST., SPEAR STREET TOWER 101 2ND ST., UNIT NO. 1000 SAN FRANCISCO, CA 94105 SAN FRANCISCO, CA 94105

SARAH M. KEANE SHERIDAN J. PAUKER, ESQ. ATTORNEY REGULATORY COUNSEL MORGAN LEWIS & BOCKIUS, LLP WILSON SONSINI GOODRICH & ROSATI ONE MARKET, SPEAR STREET TOWER ONE MARKET PLAZA, SPEAR TOWER, STE 3300 SAN FRANCISCO, CA 94105 SAN FRANCISCO, CA 94105

BRIAN KOOIMAN JOHN W. ANDERSON OHMCONNECT, INC. OHMCONNECT, INC. 350 TOWNSEND ST., STE. 210 350 TOWNSEND S., SUITE 320 SAN FRANCISCO, CA 94107 SAN FRANCISCO, CA 94107

ANNA MURVEIT LUISA ELKINS CALIFORNIA EMVIRONMENTAL ASSOCIATES GOODIN MACBRIDE SQUERI DAY & LAMPREY 423 WASHINGTON ST. 4TH FL. 505 SANSOME STREET, SUITE 900 SAN FRANCISCO, CA 94111 SAN FRANCISCO, CA 94111

DIANE FELLMAN ROBERT B. GEX VP - REGULATORY & GOVERNMENT AFFAIRS ATTORNEY AT LAW, BART NRG WEST REGION DAVIS WRIGHT TREMAINE LLP 100 CALIFORNIA ST., STE. 650 505 MONTGOMERY STREET, SUITE 800 SAN FRANCISCO, CA 94111-4505 SAN FRANCISCO, CA 94111-6533

MANAL YAMONT NADIA MARQUEZ VP - POLICY & MARKETS MGR - POLICY & MARKETS ADVANCED MICROGRID SOLUTIONS ADVANCED MICROGRID SOLUTIONS 25 STILLMAN STREET 25 STILLMAN STREET, STE. 200 SAN FRANCISCO, CA 94114 SAN FRANCISCO, CA 94114 FOR: ADVANCED MICROGRID SOLUTIONS (AMS)

MEGHA LAKHCHAURA NATHANAEL MIKSIS DIR. PUBLIC POLICY NEXTGRID STRATEGIES SUNRUN INC 1554 FULTON STREET 595 MARKET STREET SAN FRANCISCO, CA 94117 SAN FRANCISOC, CA 94115

CALIFORNIA ENERGY MARKETS CHARLES R. MIDDLEKAUFF 425 DIVISADERO ST STE 303 PACIFIC GAS AND ELECTRIC COMPANY



SAN FRANCISCO, CA 94117-2242 LAW DEPARTMENT PO BOX 7442, MC-B30A-2475 SAN FRANCISCO, CA 94120

SARA STECK MYERS ARTHUR HAUBENSTOCK ATTORNEY AT LAW ATTORNEY LAW OFFICES OF SARA STECK MYERS SUSTAINABLE ENERGY STRATEGY PARTNERS 122 28TH AVE. 1411 6TH AVENUE SAN FRANCISCO, CA 94121 SAN FRANCISCO, CA 94122 FOR: ON BEHALF OF JOINT DEMAND RESPONSE FOR: ENPHASE ENERGY, INC. (DR) PARTIES (COMVERGE, INC., CPOWER, ENERGYHUB, ENERNOC, INC., AND JOHNSON CONTROLS, INC.{JCI}).

NATHAN LEE SAMUEL GOLDING EMAIL ONLY PRESIDENT EMAIL ONLY, CA 94124 COMMUNITY CHOICE PARTNERS, INC. 301 KING STREET, NO. 1806 SAN FRANCISCO, CA 94158

ANDREW YIP SARAH VAN CLEVE MGR - BUS. DEVELOPMENT (RBNA/PJ-BGT) ENERGY POLICY ADVISOR ROBERT BOSCH LLC TESLA MOTORS, INC. 4009 MIRANDA AVENUE, STE. 200 3500 DEER CREEK ROAD PALO ALTO, CA 94304 PALO ALTO, CA 94304

BONNIE DATTA CHRIS S. KING SIEMENS USA EMETER, A SIEMENS BUSINESS 4000 E. THIRD AVENUE 4000 E. THIRD AVE., 4TH FLOOR FOSTER CITY, CA 94404 FOSTER CITY, CA 94404 FOR: EMETER, A SIEMENS BUSINESS

MICHAEL ROCHMAN BETH VAUGHAN MANAGING DIR. EXECUTIVE DIRECTOR SCHOOL PROJECT UTILITY RATE REDUCTION CALIFORNIA COGENERATION COUNCIL 1850 GATEWAY BLVD., STE. 235 4391 N. MARSH ELDER COURT CONCORD, CA 94520 CONCORD, CA 94521 FOR: CALIFORNIA COGENERATION COUNCIL

KERRY HATTEVIK RENEE H. GUILD REG. DIR.- WEST GOVERNMENTAL AFFAIRS CEO - PRINCIPAL CONSULTANT NEXT ERA ENERGY RESOURCES LLC GLOBAL ENERGY MARKETS 829 ARLINGTON BLVD. 37955 2ND STREET EL CERRITO, CA 94530 FREMONT, CA 94536

MATTHEW BARMACK KATHY TRELEVEN DIR. - MARKET & REGULATORY ANALYSIS KATHY TRELEVEN CONSULTING CALPINE CORPORATION 103 BANDOL CT. 4160 DUBLIN BLVD., SUITE 100 SAN RAMON, CA 94582 DUBLIN, CA 94568

JENNIFER K. BERG ADAM BROWNING BAYREN PROGRAM MANAGER VOTE SOLAR ASSOCIATION OF BAY AREA GOVERNMENTS 360 22ND STREET, SUITE 730



101 - 8TH STREET OAKLAND, CA 94612 OAKLAND, CA 94607

ERICA SCHROEDER MCCONNELL GARY CALDERON SHUTE, MIHALY AND WEIBERGER, LLP DNV GL 396 HAYES STREET 155 W. GRAND AVENUE 500 SAN FRANCISCO, CA 94612 OAKLAND, CA 94612

HEIDI LUBIN JOSEPH F. WIEDMAN UTILITY API ATTORNEY 426 17TH STREET, SUITE 700 KEYES FOX & WIEDMAN LLP OAKLAND, CA 94612 436 - 14TH STREET, SUITE 1305 OAKLAND, CA 94612 FOR: THE ALLIANCE FOR SOLAR CHOICE

NITZAN GOLDBERGER RYAN LIPKIN DIR.-POLICY & BUSINESS DEVELOPMENT BUSINSESS DEVELOPMENT MGR. BORREGO SOLAR SYSTEM, INC. KISENSUM 360 22ND STREET, STE. 600 344 THOMAS BERLEY WAY, STE 260 OAKLAND, CA 94612 OAKLAND, CA 94612

SAMUEL J. HARVEY SUSANNAH CHURCHILL KEYES & FOX LLP ADVOCATE - SOLAR POLICY 436 14TH STREET, SUITE 1305 VOTE SOLAR SAN FRANCISCO, CA 94612 360 22ND STREET, SUITE 730 OAKLAND, CA 94612

TANDY MCMANNES KATIE VAN DYKE ABENGOA SOLAR CLIMATE ACTION PROGRAM MGR. I KAISER PLAZA, STE. 1675 CITY OF BERKELEY OAKLAND, CA 94612-3699 2120 MILVIA STREET, 2ND FLOOR BERKELEY, CA 94704 FOR: CITY OF BERKELEY, OFFICE OF ENERGY & SUSTAINABLE DEVELOPMENT

JEREMY WAEN MICHAEL CALLAHAN-DUDLEY SR REGULATORY ANALYST REGULATORY COUNSEL MCE CLEAN ENERGY MARIN CLEAN ENERGY 1125 TAMALPAIS AVENUE 1125 TAMALPAIS AVENUE SAN RAFAEL, CA 94901 SAN RAFAEL, CA 94901

PHILLIP MULLER JOHN NIMMONS PRESIDENT COUNSEL SCD ENERGY SOLUTIONS JOHN NIMMONS & ASSOCIATES, INC. 436 NOVA ALBION WAY 175 ELINOR AVE., STE. G SAN RAFAEL, CA 94903 MILL VALLEY, CA 94941

JASON SIMON FRANCES CLEVELAND DIR - POLICY STRATEGY XANTHUS CONSULTING INTERNATIONAL, INC. ENPHASE ENERGY 369 FAIRVIEW AVE. 1420 N. MCDOWELL BLVD. BOULDER CREEK, CA 95006 PETALUMA, CA 94954



MAHLON ALDRIDGE C. SUSIE BERLIN VP - STRATEGIC DEVELOPMENT LAW OFFICES OF SUSIE BERLIN ECOLOGY ACTION 1346 THE ALAMEDA, STE. 7, NO. 141 877 CEDAR STREET, STE. 240 SAN JOSE, CA 95126 SANTA CRUZ, CA 95060-3938

DAVID ERICKSON EUGENE WILSON DNV GL LAW OFFICE OF EUGENE WILSON 155 W. GRAND AVENUE 500 3502 TANAGER AVE. OAKLAND, CA 95472 DAVIS, CA 95616

MARTIN HOMEC DELPHINE HOU PO BOX 4471 CALIF. INDEPENDENT SYSTEMS OPERATOR DAVIS, CA 95617 250 OUTCROPPING WAY FOLSOM, CA 95630

LEGAL DEPARTMENT LON W. HOUSE, PH.D CALIFORNIA ISO ACWA ENERGY CONSULTANT 250 OUTCROPPING WAY WATER & ENERGY CONSULTING FOLSOM, CA 95630 2795 E. BIDWELL, STE. 100-176 FOLSOM, CA 95630

JOHN GOODIN LORENZO KRISTOV CALIFORNIA ISO CALIFORNIA ISO 250 OUTCROPPING WAY 250 OUTCROPPING WAY FOLSOM, CA 95630-8773 FOLSOM, CA 95630-8773

BRYAN LEE ANTHONY BRUNELLO CALIFORNIA ENERGY COMMISSION EXE. DIR. 1516 NINTH STREET - MS 43 GREEN TECHNOLOGY LEADERSHIP GROUP SACRAMENTO, CA 95678 980 9TH STREET, STE. 2060 SACRAMENTO, CA 95814

CAMILLE STOUGH, ESQ. CURT BARRY BRAUN BLAISING MCLAUGHLIN & SMITH PC SENIOR WRITER 915 L STREET, STE. 1480 CLEAN ENERGY REPORT SACRAMENTO, CA 95814 717 K STREET, SUITE 503 SACRAMENTO, CA 95814

DAN GRIFFITHS JUSTIN WYNNE ATTORNEY ATTORNEY BRAUN BLAISING MCLAUGHLIN & SMITH, P.C. BRAUN BLAISING MCLAUGHLIN & SMITH, P.C. 915 L STREET, SUITE 1480 915 L STREET, SUITE 1480 SACRAMENTO, CA 95814 SACRAMENTO, CA 95814

MATTHEW KLOPFENSTEIN MICHAEL J. SOKOL ATTORNEY RENEWABLE ENERGY INTERGRATION SPECIALISTGONZALEZ, QUINTANA & HUNTER, LLC 1516 9TH STREET, MS-43 915 L STREET, STE. 1480 SACRAMENTO, CA 95814 SACRAMENTO, CA 95814

SCOTT BLAISING STEVEN KELLY ATTORNEY POLICY DIRECTOR



BRAUN BLAISING MCLAUGHLIN & SMITH, P.C. INDEPENDENT ENERGY PRODUCERS ASSCIATION 915 L STREET, STE. 1270 1215 K STREET, STE. 900 SACRAMENTO, CA 95814 SACRAMENTO, CA 95814

ANDREW B. BROWN LYNN HAUG ATTORNEY AT LAW ELLISON, SCHNEIDER & HARRIS L.L.P. ELLISON SCHNEIDER & HARRIS LLP 2600 CAPITOL AVENUE, SUITE 400 2600 CAPITOL AVENUE, SUITE 400 SACRAMENTO, CA 95816-5931 SACRAMENTO, CA 95816-5905

ANDREW MEDITZ JOY MASTACHE SACRAMENTO MUNICIPAL UTITLITY DISTRICT SR. ATTORNEY 6201 S STREET, MS-B406 SACRAMENTO MUNICIPAL UTILITY DISTRICT SACRAMENTO, CA 95817 6301 S STREET, MS A311 SACRAMENTO, CA 95817

BALDASSARO BILL DI CAPO KEN WITTMAN DI CAPO LEGAL ADVISORS SR. MGR - RATES & REGULATORY AFFAIRS 777 CAMPUS COMMONS RD., STE. 200 LIBERTY UTILITIES (CALPECO ELECTRIC) LLCSACRAMENTO, CA 95825 933 ELOISE AVENUE SOUTH LAKE TAHOE, CA 96150

ROBIN SMUTNY-JONES CATHIE ALLEN DIR., CALIFORNIA POLICY & REGULATION REGULATORY AFFAIRS MGR. IBERDROLA RENEWABLES, LLC PACIFICORP 1125 NW COUCH ST., STE. 700 825 NE MULTNOMAH STREET, STE. 2000 PORTLAND, OR 97209 PORTLAND, OR 97232

HEATHER CURLEE WILSON SONSINI GOODRICH & ROSATI 701 FIFTH AVENUE, SUITE 5100 SEATTLE, WA 98104

AMY MESROBIAN ARTHUR O'DONNELL ANALYST SUPERVISOR-RISK ASSESSMENT CPUC - ENERGY DIV. CPUC - ENERGY EMAIL ONLY EMAIL ONLY EMAIL ONLY, CA 00000 EMAIL ONLY, CA 00000

CHRISTOPHER MYERS JEANNE CLINTON CALIFORNIA PUBLIC UTILITIES COMMISSION CPUC - EXEC. DIV OFFICE OF RATEPAYER ADVOCATES EMAIL ONLY EMAIL ONLY EMAIL ONLY, CA 00000 EMAIL ONLY, CA 00000

LINDA KELLY NICHOLAS FUGATE CALIFORNIA ENERGY COMMISSION SUPPLY ANALSYS OFFICE EMAIL ONLY CALIFORNIA ENERGY COMMISSION EMAIL ONLY, CA 00000 EMAIL ONLY EMAIL ONLY, CA 00000

State Service



PETER V. ALLEN PIERRE BULL ALJ CPUC - ENERGY CALIFORNIA PUBLIC UTILITIES COMMISSION EMAIL ONLY EMAIL ONLY EMAIL ONLY, CA 00000 EMAIL ONLY, CA 00000

SCOTT MURTISHAW THOMAS ROBERTS ENERGY ADVISOR SR. ENGINEER - DRA CPUC - EXEC DIV CPUC EMAIL ONLY EMAIL ONLY EMAIL ONLY, CA 00000 EMAIL ONLY, CA 00000

FADI DAYE AMIN NOJAN CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION ELECTRIC SAFETY AND RELIABILITY BRANCH ENERGY SAFETY & INFRASTRUCTURE BRANCH 320 West 4th Street Suite 500 AREA Los Angeles, CA 90013 505 VAN NESS AVENUE SAN FRANCISCO, CA 94102-3214

AMY C. BAKER ANAND DURVASULA CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION RISK ASSESSMENT AND ENFORCEMENT UTILITY & PAYPHONE ENFORCEMENT BRANCH ROOM 5210 AREA 505 VAN NESS AVENUE 505 VAN NESS AVENUE SAN FRANCISCO, CA 94102-3214 SAN FRANCISCO, CA 94102-3214

BRIAN GOLDMAN CODY NAYLOR CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION ENERGY SAFETY & INFRASTRUCTURE BRANCH UTILITY & PAYPHONE ENFORCEMENT BRANCH AREA AREA 505 VAN NESS AVENUE 505 VAN NESS AVENUE SAN FRANCISCO, CA 94102-3214 SAN FRANCISCO, CA 94102-3214

ED CHARKOWICZ EHREN SEYBERT CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION RISK ASSESSMENT AND ENFORCEMENT COMMISSIONER PETERMAN AREA 4-A ROOM 5303 505 VAN NESS AVENUE 505 VAN NESS AVENUE SAN FRANCISCO, CA 94102-3214 SAN FRANCISCO, CA 94102-3214

GABRIEL PETLIN JAMES RALPH CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION DEMAND RESPONSE, CUSTOMER GENERATION, AN LEGAL DIVISION AREA 4-A ROOM 5037 505 VAN NESS AVENUE 505 VAN NESS AVENUE SAN FRANCISCO, CA 94102-3214 SAN FRANCISCO, CA 94102-3214 FOR: ORA

JAMIE ORMOND JEFFREY KWAN CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION COMMISSIONER SANDOVAL INFRASTRUCTURE PLANNING AND PERMITTING BROOM 5206 ROOM 4-A 505 VAN NESS AVENUE 505 VAN NESS AVENUE



SAN FRANCISCO, CA 94102-3214 SAN FRANCISCO, CA 94102-3214

JOSE ALIAGA-CARO JOSEPH A. ABHULIMEN CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION INFRASTRUCTURE PLANNING AND PERMITTING B ENERGY SAFETY & INFRASTRUCTURE BRANCH AREA ROOM 4209 505 VAN NESS AVENUE 505 VAN NESS AVENUE SAN FRANCISCO, CA 94102-3214 SAN FRANCISCO, CA 94102-3214

KATIE WU KELLY A. HYMES CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION ENERGY EFFICIENCY BRANCH DIVISION OF ADMINISTRATIVE LAW JUDGES AREA 4-A ROOM 5111 505 VAN NESS AVENUE 505 VAN NESS AVENUE SAN FRANCISCO, CA 94102-3214 SAN FRANCISCO, CA 94102-3214

KRISTIN RALFF DOUGLAS LISA PAULO CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION POLICY & PLANNING DIVISION CONSUMER PROGRAMS BRANCH ROOM 5119 ROOM 3-D 505 VAN NESS AVENUE 505 VAN NESS AVENUE SAN FRANCISCO, CA 94102-3214 SAN FRANCISCO, CA 94102-3214

MARC MONBOUQUETTE NATALIE GUISHAR CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION INFRASTRUCTURE PLANNING AND PERMITTING B DEMAND RESPONSE, CUSTOMER GENERATION, ANROOM 4006 AREA 4-A 505 VAN NESS AVENUE 505 VAN NESS AVENUE SAN FRANCISCO, CA 94102-3214 SAN FRANCISCO, CA 94102-3214

PAUL DOUGLAS ROBERT MASON CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION INFRASTRUCTURE PLANNING AND PERMITTING B DIVISION OF ADMINISTRATIVE LAW JUDGES AREA 4-A ROOM 5107 505 VAN NESS AVENUE 505 VAN NESS AVENUE SAN FRANCISCO, CA 94102-3214 SAN FRANCISCO, CA 94102-3214

ROSANNE O'HARA RYAN YAMAMOTO CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION ELECTRICITY PLANNING & POLICY BRANCH ELECTRIC SAFETY AND RELIABILITY BRANCH AREA AREA 2-D 505 VAN NESS AVENUE 505 VAN NESS AVENUE SAN FRANCISCO, CA 94102-3214 SAN FRANCISCO, CA 94102-3214

SEAN A. SIMON SHANNON O'ROURKE CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION COMMISSIONER RANDOLPH DEMAND RESPONSE, CUSTOMER GENERATION, ANAREA 4-A AREA 4-A 505 VAN NESS AVENUE 505 VAN NESS AVENUE SAN FRANCISCO, CA 94102-3214 SAN FRANCISCO, CA 94102-3214

THOMAS ROBERTS TIM G. DREW CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION ENERGY SAFETY & INFRASTRUCTURE BRANCH ELECTRICITY PRICING AND CUSTOMER PROGRAM



ROOM 4108 AREA 4-A 505 VAN NESS AVENUE 505 VAN NESS AVENUE SAN FRANCISCO, CA 94102-3214 SAN FRANCISCO, CA 94102-3214

WENDY AL-MUKDAD XIAO SELENA HUANG CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION RISK ASSESSMENT AND ENFORCEMENT COMMUNICATIONS DIVISION AREA 4-A ROOM 3-D 505 VAN NESS AVENUE 505 VAN NESS AVENUE SAN FRANCISCO, CA 94102-3214 SAN FRANCISCO, CA 94102-3214

ZITA KLINE ANGIE GOULD CALIF PUBLIC UTILITIES COMMISSION CALIFORNIA ENERGY COMMISSION ELECTRICITY PRICING AND CUSTOMER PROGRAM 1516 9TH STREET, MS-43 ROOM 4102 SACRAMENTO, CA 95814 505 VAN NESS AVENUE SAN FRANCISCO, CA 94102-3214

LYNN MARSHALL MATT COLDWELL CONSULTANT CALIFORNIA ENERGY COMMISSION CALIFORNIA ENERGY COMMISSION ELECTRICITY ANALYSIS OFFICE 1516 9TH STREET, MS-20 1516 NINTH STREET, MS-20 SACRAMENTO, CA 95814 SACRAMENTO, CA 95814

OSTAP LOREDO-CONTRERAS BRIAN MCCOLLOUGH ENERGY SYSTEM RESEARCH OFFICE ENERGY ASSESSMENTS DIVSION CALIFORNIA ENERGY COMMISSION CALIFORNIA ENERGY COMMISSION1516 9TH STREET, MS-43 0203 9TH STREET SACRAMENTO, CA 95814 SACRAMENTO, CA 95818

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