Introduction to Energy Storage · Who is Hecate? Hecate Energy: /hek uh tee/ - A developer of solar...
Transcript of Introduction to Energy Storage · Who is Hecate? Hecate Energy: /hek uh tee/ - A developer of solar...
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Introduction to Energy Storage
Presentation to Clean Energy 805Alex Pugh, Hecate Energy
3/13/2018
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Introduction to Energy Storage Overview
Hecate Introduction
Changes to the Electric Grid
What Energy Storage Does
How Energy Storage Works
Definitions
Examples
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Who is Hecate?
Hecate Energy: /hek uh tee/ - A developer of solar power plants, natural gas-fired power plants,
and energy storage solutions, Hecate Energy is driven by a mission to develop, own, and
operate power-generating facilities in the United States and select international markets. In
total Hecate Energy has entered into PPAs or is in final negotiations for PPAs totaling over 432
MW-ac of solar power and 118 MWh of energy storage.
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Conventional Power Grid Operation
Energy Flow
Generator Transmission/Distribution Customer
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New Smart Power Grid Operation
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Where do Batteries Fit into the New Grid - IFOM
In Front of the Meter Applications
Frequency Regulation
Load Shifting
Spinning Reserve
Dispatchable Generation
Controllable Demand
Grid Operations SupportImproves efficiency and reliability
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Behind the Meter Applications
Demand Response
Peak Shaving
Load Shifting
Back-up Power
Solar Integration
Power Quality Improvement
Facility Operations SupportIncreased Control of Energy Use to Reduce Cost
Where do Batteries Fit into the New Grid - BTM
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Energy Storage System
Cells
Housing
Environmental Controls (HVAC)
Safety
Software Management System
Inverter
Switch Gear/Transformers
IFOM BTM
Charge
Discharge
Charge
Discharge
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Energy Storage Definitions
System Size (2 Measures) 1. Capacity – Amount of power (i.e. 1 MW)
2. Duration – Length of output (i.e. 4 hours)
Response Rate Time to start charging/discharging (<2 seconds)
Cycles Time to completely discharge and recharge (1 Cycle)
Efficiency Amount of power lost during 1 cycle (Typical 80-90%)
Degradation Amount of capacity lost during a cycle
Capacity Maintenance Products or efforts to eliminate degradation
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OutdoorIndoor
Shipping Container Utility Cabinet Electrical Cabinet
Building Block (kW)350 100 10
Footprint (feet)40 x 8 x 7
5 x 12 x 8 2 x 3 x 8
Thermal Controls Yes Yes No
Lithium Ion System Configurations
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Ontario, Canada
• 14.8 MW IFOM
• IESO Offtaker
• 7 sites, complete and in construction
Hecate Energy IFOM Examples
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Southern California
• 20 MW IFOM
• SCE Offtaker
• Leased area in storage/parking at
active logistics center.
• Standard Commercial Lease Rates
• Completing all zoning and permitting.
No impact to operations
Hecate Energy IFOM Examples
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Leased Project Area
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Questions?
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