Electricity Storage in the Grid Electricity Storage in the Grid - - PowerPoint PPT Presentation

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Electricity Storage in the Grid Electricity Storage in the Grid - - PowerPoint PPT Presentation

Apr 12, 2023 139 likes •347 views

Electricity Storage in the Grid Electricity Storage in the Grid Putting Battery Technology to Work Putting Battery Technology to Work Brad Roberts S&C Electric Company Electricity Storage Association Congressional Briefing June 16, 2009

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Electricity Storage in the Grid Electricity Storage in the Grid

Putting Battery Technology to Work Putting Battery Technology to Work

Brad Roberts

S&C Electric Company Electricity Storage Association Congressional Briefing June 16, 2009 Washington, DC

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Distributed Energy Storage in the Distributed Energy Storage in the Grid Grid

  • What does it mean
  • Expanding battery technologies

High temperature Nickel-cadmium Lithium-ion Carbon lead acid

  • Where are we today
  • What’s needed in the future
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What is Distributed Energy Storage What is Distributed Energy Storage

  • Smaller storage devices up to 50 MWs
  • Storage systems connected throughout

the grid

Utility substations Wind and solar farms Community energy storage Residential

  • Eventually will involve PHEVs & EVs
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High Temperature Batteries High Temperature Batteries

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World World’ ’s Largest Battery s Largest Battery (34 MW, 6 hours) (34 MW, 6 hours)

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Nickel Nickel-

  • Cadmium Ni

Cadmium Ni-

  • Cd

Cd

Largest battery in the US grid (26 MW)

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Flow Battery - ZnBr

Powercell’s 100 kW, 1h battery 3 phase, 480 V

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Zinc Flow Battery Zinc Flow Battery

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Lithium - Ion Battery

  • High Power & Energy Density
  • Long Cycle Life
  • Efficient
  • Mature (since 1992)
  • High Manufacturing Cost
  • Special Charging Circuit (safety)
  • Difficult to scale up

Started in early 90’s 50% of Small Portable Market Scaling Up Issues

1- Cost 2- Construction 3- Safety Concerns

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Lithium Lithium-

  • Ion Battery Storage System

Ion Battery Storage System

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PbO2 Pb + – Separator Lead–acid cell + – Carbon electrode PbO2 Asymmetric supercapacitor + – UltraBattery Pb Carbon electrode i i i1 i2

Carbon Lead Carbon Lead

Carbon lead is a hybrid energy-storage device, which combines an asymmetric supercapacitor and a lead-acid battery in one unit cell, without extra electronic control.

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Where are we Today Where are we Today

  • Global battery activities
  • Awareness of storage need growing
  • DOE Electricity Advisory Committee

Activities

  • Significant battery investment in the

current stimulus bill

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Global Battery Activities Global Battery Activities

  • Lead Acid

Large production still present in the US

  • High Temperature Sodium

NaS production in Japan increasing to over 100 MWs per year GE building $100M sodium metal halide plant in upstate New York Sodium nickel chloride production in Europe

  • Lithium-Ion

China and South Korea dominate consumer product production Japan heavily funding PHEV development Fastest growth sector for US to support PHEV and utility application

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Infrastructure Modernization Options in an Uncertain Economy

2 0 0 9 National Electricity Delivery Forum 2 0 0 9 National Electricity Delivery Forum

What Will be the Most Transformative Technology for the Electricity Industry?

1. Renewables and low-carbon generation tech. 2. Transmission superhighways 3. Energy storage technologies, inc. PHEVs 4. An integrated Smart Grid 5. Demand resources that reduce newbuilds

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Infrastructure Modernization Options in an Uncertain Economy

2 0 0 9 National Electricity Delivery Forum 2 0 0 9 National Electricity Delivery Forum

What Will be the Most Transformative Technology for the Electricity Industry?

3% 26% 38% 19% 15%

1. Renewables and low-carbon generation tech. 2. Transmission superhighways 3. Energy storage technologies, inc. PHEVs 4. An integrated Smart Grid 5. Demand resources that reduce newbuilds

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Key Recommendations Key Recommendations

  • f EAC Storage Report
  • f EAC Storage Report
  • Fulfill mandates of Energy Independence and Security

Act of 2007 – Research & Development Efforts – Applied Research and Demonstration Activities – Near, Mid and Long-term Goals

  • Create Financial Incentives for installing Storage
  • Use Storage for Ancillary Services
  • Add Storage as a component of integrated T & D and

renewable portfolio standards

  • Guide policy makers and regulators to include storage in

rate bases

  • Communicate improved awareness of storage benefits

to the grid

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ARRA Energy Storage Funding ARRA Energy Storage Funding Amounts Amounts

  • Approximately $210 for energy storage
  • 12 – 19 Estimated number of Energy Storage

Awards

1-2 Battery Storage Utility Load Shifting/Windfarms - $40M to $50M total 1-2 Frequency Regulation Ancillary Services - $40M to $50M total 4-5 Distributed Energy Storage for Grid Support - $25M total 1-4 Compressed Air Energy Storage - $50M to $60M total 5-6 Demonstration of Promising Energy Storage Technologies - $25M total

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Key Issues for Storage in the Future Key Issues for Storage in the Future

  • Cost of storage

– Need volume & competition – Incentives to industry

  • Being able to capture multiple values

in a given utility application

  • How to handle cost recovery of

multiple benefits across distribution, transmission and generation?

  • How to handle energy in and out in a

deregulated environment?

Economic Regulatory