I don’t know the specifics of your contract, but I wanted to note that something similar bit a lot of Texas residents a few years ago: https://theconversation.

I don’t know the specifics of your contract, but I wanted to note that something similar bit a lot of Texas residents a few years ago: https://theconversation.com/whats-behind-15-000-electricity-bills-in-texas-155822 https://theconversation.com/whats-behind-15-000-electricity-... They were exposed to electricity spot prices and got bit hard when they spiked during a winter event that overloaded the grid.