I got Copilot to do a comparison because I was interested in what the cost differential would actually be. I have a gas stove and electric oven:
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So a gas oven would be roughly double and an electric almost quintuple.
But, eh - quintuple of 6c... I think I can live with that since I'm batch cooking. I can still drink a beer while waiting for the oven and I won't smell of burnt flour at the end of it.
BTW - it occurred to me you could also cook your trinity in it as well. I might try that next time.