I have seen and heard about these companies that will install solar power panels on your roof and they claim depending on how sunny it is where you live that your electricity bills will be drastically reduced and you could even generate so much power that your electric meter will spin in reverse and the power company will pay you for the excess power generated. So, my question is, how much does one of these solar power arragements cost?
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{ 3 comments… read them below or add one }
Around $ 10 per watt. Since a solar panel can produce a maximum of 2 kWh per year per installed watt, which is worth about 25 cents, solar panels are not economical unless you can get a fat subsidy.
Anywhere between 10K and 40K. It would only be worth it if one was doing it as a matter of conscience rather than economics. Grants and subsidies only pay for 10% to 50%.
Depends on how much power your house needs. 10K-40K was a pretty good estimate.
The economics depends on the tax subsidies in your region. At the very best it’s close to a break even proposition, not a way to make money.
People who do this either have an environmental motivation or, the expense of running a power line to their house is large.