Cost Analysis

The average household in America consumes 10,656 kilowatt-hours (kWh) per year or 888 kWh per month. At a cost of $0.12/kWh the annual bill is _____.

Assume a PV panel costs $1300/m².

If the household is in:

1. Barstow, which receives 7 kW/m²/da from sun, what is the cost for solar electricity for this household. When will they recover the initial cost?
2. Barrow, which receives 3 kW/m²/da from sun, what is the cost for solar electricity for this household. When will they recover the initial cost?

Bring the spreadsheet.xls and your laptop (or a calculator) to class.