> but energy is gloriously cheap when the sun is shining. This seems like a misunderstanding of how to evaluate costs. You can't selectively ignore some costs

> but energy is gloriously cheap when the sun is shining. This seems like a misunderstanding of how to evaluate costs. You can't selectively ignore some costs and then assert that the energy is "cheap". Well you can do that, but it is an entirely unconvincing argument/analysis.