I live in Texas. Lots of states in the use have dynamically priced whole sale electric markets, usually the price changes every 5 to 15 minutes. Residential us

I live in Texas. Lots of states in the use have dynamically priced whole sale electric markets, usually the price changes every 5 to 15 minutes. Residential users ussally don't have direct access to the wholesale market and will contract with a provider for a fixed rate plan or a variable rate plan where the rate only changes every month or so. (Their can be other plan structures like, peak vs off peak rates or 'free nights', etc) Commercial/Large industrial users will buy on the wholesale market, some manufacturers will get a subsidized rate for having remote controlled breakers installed so the grid operator can shed lead when demand is high. Texas definitely went too far with this model. It encourages the development of natural gas peaker plants that sit ideal all day and only spin up for a few hours when the price isn he highest. (There's also a whole corrupt saga with the natural gas monopoly in the state from the early 00's when the GOP finally got hegemonic control of the state)