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Middle Park High School Solar Array Production

As of 02-28-17 (2,808 days), the 2.07-kW array has generated 27,951 kilowatt-hours.

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This equals:

- $2,777 retail value of electricity produced: (7,420 kWh @ $0.093; 8,270 kWh @ $0.099; 8,086 kWh @ $0.102, 3,735 @ $0.106, 440 kWh @ $0.109)

- 10 kilowatt-hours/day (~4.8 kWh per day per kW of capacity)

- ~20% of rated nameplate capacity

 

Estimated ROI: >28 years (assumption: price of
retail energy will increase 4%/year). Installed cost
(excluding donated labor; NOTE: no state or federal
subsidies were used on this project): $22,030
(calculated in April 2011, installed cost: $10.64 per watt).

 

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