Energy Management Technology

Combined M&V, ADR & Demand Management

 

What Do We Do?Melrok reduces its customers energy use by monitoring, verification, demand response,

demand management & ROI analytics

Developer of the Energy Search Engine

Vendor of Energy Optimization Technology

HQ in Reno, NVSales, Support & Engineering in Los Angles, EMEA presence in UK. Route to Market through ESCO’s, Utilities, Distribution & VAR’sFounded in 2009

EnergiStream ® Energy-Triple-Play

delivers5% to 35% Savings

About The Technology?

Play 1. Real Time Monitoring & Verification5 to 25% savings, consumer-led, 24/7/365

Play 2. Real Time Peak Demand Management3 to 6% savings, consumer-led, 24/7/365

Play 3. Automated Demand Response2 to 4% savings, utility-led, On-Demand

The Small Print: Scale of Savings achieved depend on customer engagement

EnergiStream® Energy-Triple-Play

Triple Play 1Monitoring & Verification Aim: Optimization of base-load 

leading to 5-25% energy savings. 365/24/7

Triple Play 2Peak Demand Management

Aim: Reduction of peak demand resulting in 3-6% energy bill savings. 365/24/7 

Triple Play 3Automated Demand Response Aims; generate income from your utility, 

assist the stressed grid & 2-4% savings. 15/4

EnergiGateway(s)

EnergiEngine

Grid, Weather &  Pricing Information

User App & Reports

Overview of system architecture

CT’s

EnergyGateway

BACnet/MODBUS I.P

EMS

Example of how EnergiStream monitors, verifies, analyzes & manages demand for

energy, cost & carbon use.

Hardware available in 12 or 24 channel/phase models.

Sensor Abilities

All Melrok CT’s are retrofittable and require 

zero-downtime installation. 

CT’s scale from 5A to 5,000A per phase monitoring range

Case Studies

Lighting M+V win. Pilot LED Lighting refit project. £60,000 p.a. savings, 10 car parks (inc winter timings).

Car Park 1 lighting retrofit energy savings

 Average Demand Pre-installation               7   kW

 Average Demand Post-installation               2   kW

 Energy Consumed Pre-installation          166   kWh/day

 Energy Consumed Post-installation            45   kWh/day

 Daily Energy Savings          121   kWh/day

 Annual Energy Savings    44,163   kWh/year

 Approx. Energy Costs per kWh £0.105  per kWh

Approx. Savings (Gross)£4,637 per year

73% reduction

Day1, starting the retrofit

Day2, nearly done!

HVAC M+V savings. AHU scheduling problem. £2000 per year savings for a 2 minute BMS config change.

Testing the adjustment

Weekends included!

Took an hour off on-time

Voltage supply to building fed from Utility transformer monitored to be too high. Adjusted down 7V, 290V to 283V.

View of Phase C of Building Voltage, tapped down 1 notch

Before Voltage Tap Change: 50kW

Demand Profile, before & after Voltage Optimization

After Voltage Tap Change: 43kW, 14% reduction

Building Area: 40,000 sq.ft or 3,720 sq.m

Measure: Voltage OptimizationVoltage per phase pre-V.O 290Voltage per phase post-V.O 283Voltage reduction 2.4%

Savings OutcomesAv. Hourly Consumption pre-V.O, kWh 50Av. Hourly Consumption post-V.O, kWh 43Av. Annual Consumption pre-V.O, MWh 438Av. Annual Consumption post-V.O, MWh 377Savings in Consumption 14%

Savings on Consumption £4,331Savings on Demand Charges £2,026Consumption Savings, % of overall bill 9%Demand Savings, % of overall bill 4%

Total Annual Savings £6,357

Building powered down to make adjustment

ADR event timeline1. ADR event called. 2. EnergiStream controls EMS across campus3. Improve comfort levels4. End event

An ADR event. 2 chiller pumps curtailed during a 4 hour ADR event. 283kW/1.04mWh of curtailment, £3000 savings.

9th Oct 13, cloudy day and corresponding P.V System behaviour, av. 6kW in daylight

A sunny day and corresponding P.V system behaviour, av. 45kw in daylight

P.V output & variable weather effects

9th Oct 13, cloudy day and corresponding building Peak Demand behaviour

A sunny day and corresponding building Peak Demand behaviour

P.V feed-into buildings & variable weather effect

What’s the big benefit in using EnergiStream?

Our goal is to help our customers reduce energy consumption, costs & carbon

emissions. We also ensure existing power capacity is maximized.

Depth… of energy monitoring

Engagement…. how often E.I.S is used

Projects… initiated and managed

key Energy Information System (EIS)    best practices that can lead to 20% energy savings.3

Want to know more?

www.melrok.com