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Santa Rita Jail Going off the Grid

Santa Rita Jail Going off the Grid. Alameda County/RESCO CCAEA Meeting February 5, 2010. The Energy Program Team. Established in 1987 GSA/TSD 1 Program Manager 1 Project Manager 2 Electrician/Construction Coordinators Project and Cost Savings Oriented Minimum 10% IRR. Accomplishments.

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Santa Rita Jail Going off the Grid

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  1. Santa Rita JailGoing off the Grid Alameda County/RESCO CCAEA Meeting February 5, 2010

  2. The Energy Program Team Established in 1987 GSA/TSD • 1 Program Manager • 1 Project Manager • 2 Electrician/Construction Coordinators • Project and Cost Savings Oriented • Minimum 10% IRR

  3. Accomplishments Energy Program: 1987-2010 • Total Energy Saving Capital Projects Value = $50 M • Total Energy Incentives and Refunds = $28 M • Current Annual Utility Budget = $11.5 M • Current Annual Energy Cost Avoidance = $7.5 M

  4. Juvenile Justice Center LEED Gold 2007 • Results

  5. Santa Rita Jail, Dublin, CA • Construction 1984-1989 • Occupied Space: 1 million sqft. • Peak Electrical Load: 3.2 mW (8/00) • 18 Housing Units • 4300 inmates • 513 Sheriff’s Dept. staff • 80 GSA staff

  6. Santa Rita Jail 2007 Utility Cost • Electricity: $ 980,000 • Natural Gas: $ 900,000 • Water: $ 860,000 • Sewage: $ 540,000 • Total: $ 3,280,000 (35% of GSA’s Utility Costs)

  7. Fluorescent Lighting and Exhaust Fan Motor Retrofit (1995) 9,000 Efficient Light Fixtures Retrofitted 600 Energy Efficient Motors Replaced

  8. Largest Rooftop Solar Power Systemon a Government Facility (2002) $450K Annual Energy Cost Savings, 10% of Energy Used from the Sun

  9. The Chilled Water Plant Retrofit

  10. Cool Roof Application

  11. First MegaWatt Class Fuel Cell Cogeneration Plant (2006)

  12. Santa Rita Jail Integrated Energy & Water Efficiency Project (2009):Hot Water Boiler Plant Renovations Four High Efficiency Boiler 2 Domestic Hot Water Heat Exchangers

  13. Santa Rita Jail:Reduced Hot Water Temperature 54 New Hot Water Coils 52 New Hot Water Expansion Compensators

  14. Santa Rita Jail:Lighting Retrofit Gym before retrofit Gym after retrofit • Retrofitted • 9000 Florescent Lighting Fixtures • Permanently Delamped • 7000 Fluorescent Lamps • Replaced • 250 HID with Fluorescent Fixtures

  15. Santa Rita Jail:Water Efficiency Retrofit • Replaced • 160 Staff/Public Toilets • 30 Staff/Public Urinals • 210 Staff/Public Sink Aerators • 30 Staff Showerheads • 8 Smart Irrigation Controllers • Retrofitted • 1400 Inmate Flush Valves • 1400 Inmate Lavatory Valves • 150 Inmate Showers Valves

  16. Santa Rita Jail:Laundry Water and Heat Reclamation

  17. Santa Rita Jail:Cooling Tower Water Treatment

  18. Santa Rita Jail Energy & Water Efficiency Projects(1993 – 2009) Results • $1.7M in Yearly Electrical Cost Savings: 65% Reduction • $285K in Natural Gas Cost Savings: 40% Reduction • $540K in Water/Sewage Cost Savings: 50% Reductions

  19. Santa Rita Jail:Day Room Induction Lighting Retrofit (Feb 2010) 250W/400W Existing Metal Halide before retrofit 120W Retrofitted Induction after retrofit • Retrofit • 864 Lighting Fixtures • Savings • 243 kW Demand Reduction • 1.7M kWh Energy Reduction

  20. Santa Rita Jail: SmartGrid (2010)

  21. Project Partners • Alameda County, California - Santa Rita Jail • Chevron Energy Solutions • And… 22

  22. SRJ Smart Grid Project Project Goals Existing 1.2MW Solar PV • True system integration of renewable and clean distributed energy resources • Superior Utilization and Control of renewable and clean distributed energy resources • Improved local utility grid stability, and demand response • Improved local power quality and reliability • Off-grid Island capability • Energy price arbitrage capability • Demand Response Capabilities Existing 1.0MW Fuel Cell Smart Grid New 12kW Wind Power Facility Energy Efficiency Measures Reduction of DHW Energy Load New 2MW Battery New Solar Thermal

  23. System Design – Load Impacts Cloudy Spring Day – Solar Output Uneven 25

  24. Santa Rita JailSmart Grid Project Total Project Cost: $12,100,000 Funding: • DOE Grant: $ 6,200,000 • RESCO Grant: $ 1,980,000 • PG&E Incentive $ 3,000,000 • Chevron ES Share: $ 120,000 • PG&E Share: $ 350,000 • County Share: $ 450,000

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