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Photovoltaic Electricity- Green Development, Planning and Market Supply

Photovoltaic Electricity- Green Development, Planning and Market Supply. Mark Burger, Spire Solar Chicago Green Energy and Brown Fields: Energy and the Environment Institute for Regulatory Policy Studies Springfield, Illinois May 14, 2003. Nature of Photovoltaic Electricity.

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Photovoltaic Electricity- Green Development, Planning and Market Supply

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  1. Photovoltaic Electricity- Green Development, Planning and Market Supply Mark Burger, Spire Solar ChicagoGreen Energy and Brown Fields:Energy and the EnvironmentInstitute for Regulatory Policy Studies Springfield, Illinois May 14, 2003

  2. Nature of Photovoltaic Electricity • Smaller and scalable • Building-based in kilowatts of capacity • Larger scale in single digit megawatts of capacity • Flexible • Ground-based • Dual-use • On building or part of building • Delivers electricity at high demand times

  3. Nature of Photovoltaic Electricity • Function of surface availability • Crystalline technology 8-10 watts capacity per square foot • Thin film 4-6 watts per square foot • Each 1,000 watts capacity will generate 1,400 to 1,600 kilowatt hours/year

  4. Nature of Photovoltaic Electricity • Market supply has not been scratched yet • <2 MW installed in Illinois at present • World production in 2002 ~ 500 MW capacity, ~ 1,600 MW installed total • 1.5% of IL power capacity, based on nameplate, <1% based on capacity factor • $3.5 Billion industry in 2002

  5. Nature of Photovoltaic Electricity • Development and Planning • Predictable and scalable development • Reduce costs • Institutional acceptance

  6. Interconnection Standards and Pricing • Interconnection primarily below substation level • Pricing reflect value of electricity • Day, summer and peak rates • Addressing small-scale costs of interconnection • Using existing standards of IEEE 929, and UL 1741 • Default standards to reduce metering costs for small (<25 kW) installations

  7. Siting, Zoning and Construction Issues • Low profile/footprint • Solar access • Aesthetics • Zoning minimal for <50-100 kW systems • Construction itself fast (<50 kW) • Installation 1-2 days • Wiring/interconnection 1-2 weeks

  8. Transmission Constraints • Actually can enhance T&D infrastructure • Reduces stress at peak times • Conserves existing equipment in high growth area • Distribution/Substation level • Little/no problem at 5-10% of capacity • Transmission level • Not much impact • Big (1 MW) system at summer peak ~ 900 kV

  9. Dispatchability • Very high Electric Load Carrying Capacity (ELCC) • Even higher day ahead predictability (using weather forecasting) • Can approach 100% with energy storage

  10. ELCC versus Total Energy Source: National Renewable Energy Lab

  11. Thank You! • Spire Solar Chicago • Chicago Center for Green Technology • 445 North Sacramento Boulevard • Chicago, Illinois 60612 • 773-638-8700 8701 fax • www.spiresolarchicago.com

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