Here's another analysis done for Ontario, bit of a long read, but the point is here:
Quote:
I determined that a professionally installed 11 kWh PV array system would cost about $28,000. I don’t have that kind of cash — I would have to borrow the money. (If I had the cash, I would still use the same interest rate, as an “investment opportunity lost” factor). I came up with five scenarios.- $28,000 borrowed at 5.0 per cent, amortized over the 25-year life expectancy of the system.
- $28,000 borrowed at 5.0 per cent, amortized over 10 years.
- The impact of a 30 per cent installation grant, similar to what Alberta introduced this past August, with a 10-year amortization.
- The impact of a 30 per cent installation grant with a 25-year amortization.
- A $38,000 loan to include a $10,000 storage battery for surplus power, with a 25-year amortization.
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https://www.canadiancontractor.ca/ca...ar/1003282380/
The only scenario that breaks even is the one with a 30% rebate. I think that 30% rebate would be far better spent on utility scale, as shown in the numbers I posted previously. In my mind it is wasting capital to give it to home owners.