Costs are high because gas peakers exist and pumped storage generally doesn't. For rarely used long term storage, capital costs dominate, and already built si

Costs are high because gas peakers exist and pumped storage generally doesn't. For rarely used long term storage, capital costs dominate, and already built sites don't incur additional capital costs. All you need is a hill and some water for pumped storage. Those sites are very plentiful. https://scholar.google.co.uk/citations?view_op=view_citation&hl=en&user=XlGz2M4AAAAJ&citation_for_view=XlGz2M4AAAAJ:bnK-pcrLprsC https://scholar.google.co.uk/citations?view_op=view_citation...