Renewable is not free however. It does not have a fuel cost but the initial CAPEX is fairly high and is amortized over a 10-20 year period.
If they buy from the grid, it will have a marginal cost. If they self produce, they have the CAPEX amortization
To be clear, in the thread you are replying to I was clear that renewables _may_ be used for hashing significantly during low cost periods, _in the future _. I'm not claiming that's a significant thing yet.
Right now the #1 renewable used for Bitcoin mining is probably still stranded hydro.
Peter Todd
Yup. Unfortunately FPPS is a really valuable product for many hashers. Variance matters when you have bills to pay.
It's possible that increased usage of renewables helps change this, as then at least hashers won't be paying power bills. But a lot of them will still have used debt to fund their other costs...
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