AWS has never raised prices on me.
Electricity pricing is insane and will only get worse. I doubt AWS will operate a whole region at a loss.
Read more about that at https://sustainability.aboutamazon.com/environment/renewable...
Or... look at it another way, you bought some nice energy futures contracts when they were cheap. You might earn more selling those energy futures contracts now they're very valuable than you make putting that energy into servers and selling the compute.