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THE ALEVO ECOSYSTEM

ENERGY STORAGE

SUPERCOMPUTING

CYBER SECURITY

ANALYTICS

ECOSYSTEM

ANALYTICSENERGY STORAGE

SUPERCOMPUTING

CYBER SECURITY

FREQUENCY REGULATION

ENERGY MANAGEMENT SYSTEM

RENEWABLES INTEGRATION

T&D DEFERRALS

PEAK SHAVING

SPINNING RESERVES

VOLTAGE SUPPORT

RAMPING SUPPORT

REAL TIME DISPATCH OPTIMIZATION

POWER MARKET MODELING AND ANALYSIS

DISTRIBUTED STORAGE ASSESSMENTS

MARINE

TRUCK & BUS

ENVIRONMENT

GridBanks are scalable energy reservoirs that store and deliver grid-scale electricity on demand.

• 1 MWh of energy / 2 MW power continuously • Peak power capabilities of 4 MW • No risk of fire or explosion• High efficiency / Low internal resistance • Low cooling needs / Air cooled • The standard configuration is coupled to 2 MW

inverter (inverter primary supplier is Parker Hannifin.)

50,000 Cycle Battery

2 MW / 1 MWh

GRIDBANK – GRID SCALE ENERGY STORAGE

STRICTLY CONFIDENTIAL

Energy Ancillary Sub-Hourly CapacityFrequency Response/Regulation

Voltage Control

Black Start EmissionsPermitting & Siting

Transient Stability

T&D Utilization

T&D Deferrals

Other Sectors

ReliabilityPublic Policy Benefit

STRICTLY CONFIDENTIAL

GENERATION TRANSMISSION DEMAND / DGDISTRIBUTION

USA COMPETITIVE SERVICES

COMPETITIVE SERVICES

Order 755, “Frequency Regulation Compensation in the Organized

Wholesale Power Market,” requires regional transmission organizations

(RTOs) and independent system operators (ISOs) to adopt a two-part

market-based compensation method for frequency regulation services

• A capacity payment reflecting opportunity costs

• A market-based performance payment

(This payment rewards faster-ramping resources)

Studies run by DNV KEMA illustrated that fast ramping resources have a

3X effectiveness in providing regulation services

• The graph to the right illustrates the ability of fast ramping

resources (bottom right) to follow AGC (Automated Generator

Control – 2s signal) while a slow ramping generator unit is

unable to accurately follow the ramp signal (top right).

National Grid UK – Enhanced Frequency ResponseInerta Fading on SystemSub-Second

• Maximum deadband +0.1Hz • full output in 1s from the

detection of a frequency deviation.

• availability performance of greater than 95%

• minimum sustained delivery duration of 9 seconds

National Development Network Development Plan2015 Emerging Technologies Information Paper

• AEMO’s initial modelling of the impact of battery storage, electric vehicles and fuel switching in the 20-year NEFR outlook period.

• Modelling battery storage: no mechanism for tracking the number of installations in Australia.

• AEMO has developed the first step of its economic model to estimate the uptake of battery storage systems by residential consumers

Randell Johnson, PhD, P.E.Chief Analyst, Alevorj@alevo.com