Put another way, you need the gas turbines for the two week dunkelflaute (winter doldrums). Given that you have the turbines already, when are batteries cheaper than running the turbines for a few hours every evening?
A more interesting question than the cheapest 4 hour solution. I think that answer might also be batteries soon.
Put another way, you need the gas turbines for the two week dunkelflaute (winter doldrums). Given that you have the turbines already, when are batteries cheaper than running the turbines for a few hours every evening?
A more interesting question than the cheapest 4 hour solution. I think that answer might also be batteries soon.