electric energy storage applications in the electric ... · applications in the electric enterprise...
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Electric Energy Storage Applications in the Electric Enterprise
Opportunities and Challenges in the
Industrial Sector
California-France Forum on Energy Efficiency Technologies
San Francisco, CA
October 25-26, 2011
Dan Rastler
Electric Power Research Institute
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Introduction / Overview
• Drivers for Energy Storage Solutions
• Overview of Applications
• Landscape of Electric Energy Storage Options
•Opportunities and Challenges in the Industrial Sector
• Today’s Panel
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Drivers for Electric Energy Storage Solutions in the U.S.
• Managing Increased Wind and PV Penetration on the Grid
• Increased need for Flexible Grid: Ancillary Services / Balancing
• Transission and Distribution Grid Asset Management
– Managing Grid Peaks,T&D Capital Deployment, Outage Mitigation
• High Penetration of Distributed Photovoltaic systems on the Grid
• Enhancing the value of a Smart Grid: Peak Energy Management; End-use energy management.
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ThermalStorage
Bulk Storage
The Roles of Storage on the Grid
V2G
Ancillary Services
DistributedStorage
DistributedStorage
ResidentialStorage
CommercialStorage
Industrial Storage
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Opportunities for Energy Storage in the Industrial Sector
Opportunities and Solution Applications:
• Reliability, Back-up, Energy Mgt.
• Power Quality, UPS, Energy Mgt.
• Energy Mgt. and T&D Grid Support
• Energy Mgt. with Renewables
• Energy Mgt. with CHP
Challenges:
• Need low cost storage systems: <<$500 / kW-h installed
• Technical Risk >> Need demostrated solutions
• Options offer Limited Energy >> Hybrid systems with DG
• Business Model >> that maximizies benefits
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Landscape of Energy Storage Solutions - Examples For Industrial Sector Applications
MWs to kWs: min to hours of energy duration
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Opportunity: Industrial CHP + Storage? 13.5 GW Nationwide (10 GW Industrial, 3.5 GW Commercial)
0
500
1,000
1,500
2,000
2,500
3,000
3,500
4,000
4,500
Po
ten
tial
Cap
acit
y (M
W)
Commercial
Industrial
Source: Analysis by Resource Dynamics CorporationNotes: Assumes no state or Federal incentives, no power export
2010 State Monthly Average Natural Gas PricesEstimated Economic potential based on 10 year positive NPV
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Energy Storage with Distributed Generation
CHP Systems, PV Systems
+
+
CTs
Fuel Cells
Photovoltaics +
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$0 $1,000 $2,000 $3,000 $4,000 $5,000 $6,000 $7,000 $8,000
Wholesale Freq. Reg. (15 min)
Wholesale Freq. Reg. (1 hr)
Transportable T&D Deferral
Transportable Distribution Deferral
Sta. T&D Deferral
Sta. Distribution Deferral
Ind. DESS
Com. DESS
Ind. Energy Mgmt.*
Com. Energy Mgmt.*
Ind. PQ & Reliability
Com. PQ & Reliability
ESCO Res. Storage
Res. Energy Mgmt.*
Res. Backup
Application Value $/kW-h of Storage
Targeted Value
High Value
Challenges: Need Low Cost Storage Systems Energy Storage Application Value Analysis Total Resource Cost Test (TRC) as a Proxy for Allowabe Storage System Cost
Value: $/kW-h of usable energy storage
Caveat: Energy storage systems to address
each application will vary in cost, depending on
size, location, and system power-to-energy ratio.
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Challenges: Business Model which enables monetization of benefits
EPRI Research Assessing the Locational Value and Benefits of Energy Stoarge
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Energy Storage as Part of Smart GridExample Con Edison Demonstration Project
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Key EPRI Energy Storage Resources
• Key Reports:
• Electric Energy Storage
Technology Options: A White
Paper Primer on Applications,
Costs and Benefits
(EPRI 1020676)
• Executive summary
(EPRI 1022261)
• Functional Requirements for
Electric Energy Storage
Applications on the Power
System Grid (EPRI 1022544)
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Today’s Panel
• Eric Cutter – E3
• Geoffroy Ville – McPhy Energy
• Jim McDowall – Saft
• Tom Stepien – Primus Power