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Commercial Solar Case Study, Windsor High School

School Solar Electric Installation Project Profile

Windsor High School solar energyTo control rising energy costs and provide an example in teaching students about energy conservation and sustainability, Windsor High School in Windsor, CA has flipped the switch to solar power. SolarCraft designed and installed a 26 kW solar electric system for their new Digital Communications Facility. The Sonoma County School now captures the sun’s energy to power its facility.

The system consists of 93 SunTech 280 watt solar panels that convert sunlight directly into electricity and will generate approximately 36,000 kilowatt hours of energy annually. The roof mounted system spans 1,944 square feet and also helps to shade and protect the roof.

The new system will reduce the school’s utility costs by thousands every year, freeing funds for educating students. Excess power generated during the day is sent back to PG&E for credit towards future use.

Solar power generated from the system will produce enough clean energy each day to power 11 average homes. Over the next 30 years, the air pollution saved will be equivalent to eliminating over 1.6 million miles of driving and spare the air nearly 690 tons of carbon emissions.

The system is expected to pay for itself in 5-6 years, requires minimal maintenance, runs silently, and has an operating life of 25 years or more. It will provide Windsor High School clean, reliable power and energy savings for decades to come.

Windsor, CA solar power

System Specifications
System Size 26.0 kW DC
22.3 kW AC
Location Windsor, CA
Solar Panel (93) SunTech 280 W
Inverter (1) SMA SB7000 (208 V)
(3) SMA SB6000 (208 V)
Mounting System ProSolar (anchored & ballasted)
Estimated Annual kWh 36,000
Cumulative Cash Positive 5–6 Years

Customer Profile
Windsor High School has a unique “core” system for its students to make the large school seem not as large. All students are enrolled in an academic core along with other non-core classes. The core structure incorporates teams of three teachers who work together to deliver instruction through interdisciplinary project-based strategies. Each core of three teachers meets with students on alternating days for 4 ½ hours of continuous instruction to deliver content in three subject areas.

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