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The average family uses 10,715 watts a year and costs vary but average $3.00 a watt, meaning to cover that full amount it would be $30,000. plus. My question was before rebates as rebates make it "fake news" that solar is cheaper.It is not that the electricity is cheaper directly, but the electricity keeps coming year after year!
Solar is not the first thing a homeowner should spend money on, but once you have picked the other low hanging fruit, it is a next step.
Say a turn key 5000 watt system cost of $13,000 after tax credits, but generates 600 kWh per month. That is a savings of about $72 a month, for decades, assuming the cost of electricity increases, you save even more.
I am not sure of how many places a $13,000 investment would generate $72 a month but I think there are not too many.
In Arizona, the cost for each KWH is .12 cents and that is on the lower average as Kalifornia charges 30% more than that (one of the reasons we moved). So, Arizona per year would be $1,300.00 and Kalifornia would be 30% more or roughly $1,700.00. (I incurred far more (double that) because we had a pool and a large house but that is irrelevant because the system cost is based on what you would use.
Using Arizona IF the system lasted 20 years (doubtable) the cost for solar for 10,000 watts is $30,000.00 and if I did nothing at all for those 20 years my electricity costs would be $26,000.00.
Solar panels degrade over time and produce less electricity. The solar batteries have to be replaced every 7-10 years and that will set someone back from $5,000 to $15,000.00, which could mean TWO battery replacements during that 20 years, and then you have the inverter at another couple grand plus maybe some broken glass. There would be NO rebates on those costs.
In my mind, the costs do not pencil out and we have been at solar now for 20 years or more and the prices are still more than what you'd pay if you did nothing in the RED state I live in. As for the blue states, are there any people still left in those?