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In Washington, a solar panel facing south angled at 15 degrees receives 0.5 (+/- 0.5) kWh/m^2/day in the winter. Solar panels are 20% efficient. Another 20% of power is lost due to heat. A house uses 45 kW per day in the winter. What is the minimum number of panels needed?

In Washington, a solar panel facing south angled at 15 degrees receives 0.5 (+/- 0.5) kWh/m^2/day in the winter. Solar panels are 20% efficient. Another 20% of power is lost due to heat. A house uses 45 kW per day in the winter. What is the minimum number of panels needed?

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In Washington, a solar panel facing south angled at 15 degrees receives 0.5 (+/- 0.5) kWh/m^2/day in the winter. Solar panels are 20% efficient. Another 20% of power is lost due to heat. A house uses 45 kW per day in the winter. What is the minimum number of panels needed?
Transcribed Image Text:In Washington, a solar panel facing south angled at 15 degrees receives 0.5 (+/- 0.5) kWh/m^2/day in the winter. Solar panels are 20% efficient. Another 20% of power is lost due to heat. A house uses 45 kW per day in the winter. What is the minimum number of panels needed?
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