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I'm done here, you're clearly not reading what I've said if you genuinely believe I've said capex never matters.
I said - Renewables are only economically viable because the cost of power is paid on the last generator, which is natural gas.
You said - This is not true, renewables are economically viable at much lower prices than fossil fuels because their next unit cost is effectively zero
And yet I show you sources where increased capex costs are making renewables economically unviable because the capex costs have increased so much due to inflation and the wholesale price they were offered at auction is now not enough to justify the CAPEX to build it.
You're going in circles because you won't admit that the horse comes before the cart. You can't get to zero extra unit cost if you don't build the fucking thing.
I explicitly covered this in my 3rd comment - quoted below.
@hellothere
Definitely for baseload generators. Perhaps slightly different for peaking generators etc. Average for the sort of units you propose to sell, I guess.
This is a fair point - peaking is more complex, especially if we're considering batteries where their generation cost is going to include probabilistic opportunity costs - ie how confident are they that the price won't fall further and/or if this is the peak of the spot and best time to sell.
But yes, over the decades you'd be looking to run to utility for, you're looking at blended averages to calculate the return.