solar powered grid tie inverter?
If I buy a grid tie inverter and solar panel that puts out 200watts and it costs me about 400$ how long would it take to pay for itself?
You forgot your electric rate. Assuming 10 cents/ KWh:
200watts
8hrs/day
1.6Kwh/day
0.1$/Kwh
0.16$/Day produced
400$ purchase price
2500Days payoff
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