san diego community college district borrego solar power purchase agreement

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San Diego Community College District

Borrego Solar Power Purchase Agreement

Presented to

The Board of Trustees

Thursday, September 24, 2009

David Umstot, PE

Vice Chancellor

Facilities Management

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Founded in 1980

Local company headquartered in

El Cajon

Leading provider of turnkey solar

photovoltaic systems

3 US locations with 45 employees

Commitment to excellence in

solar design and construction

Borrego Solar Systems Overview

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Agreement to purchase power from a third party

provider

Term 20 years

We pay only for what power is generated

What is a Power Purchase Agreement?

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Solar PPA Structure

Turnkey Construction

Operation and

Maintenance

With a PPA you only pay for the solar energy you use.

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Third party provides financing, design, permitting,

construction, installation, maintenance and

monitoring of system.

Net metering is also used to bank power not

consumed.

What Does a PPA Include?

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2.4 Megawatts (enough to power 650 homes)

26 percent of current peak electrical demand

Potential to add more

How Much Power Will be Provided

Through a PPA?

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PPA: $0.1274 per kWh

SDG&E: $0.155 per kWh (blended rate)

Savings: $0.0276 per kWh

18 percent savings from current rates.

$110,400 saved annually

Rates increase 4 percent per year.

Cost

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City College LRC (80 kW)

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City College Theater Roof (20 kW)

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City College Harry West Gym (70 kW)

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Mesa College Surface Parking (764 kW)

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Mesa College Parking Structure (169 kW)

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Miramar College Parking (845 kW)

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Mid City Continuing Education (50 kW)

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West City Continuing Education (20 kW)

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West City New Surface Parking (195 kW)

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District Office Building (35 kW)

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District Office South Surface Parking (150 kW)

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By installing a solar system, we will be reducing global

warming, mitigating natural disasters, and helping to

preserve our planet.

Over the first 20 years of production:

Reduce Carbon Dioxide emissions by 111,747,343 pounds

Equivalent to 176,169,816 vehicle miles not traveled

Equivalent to planting 260,817 mature trees

Conserve 159,751 barrels of oil

Reduce Nitrogen Oxide emissions by 28,501 pounds

Reduce Nitrogen and Sulfur Oxide emissions by 31,351 pounds

District retains renewable energy credits.

Environmental Benefits