The less you pay for electricity, the greater your mining profit. Here are some current and future sources of decentralized cheap energy:
InfinitySAV, Akula Tariel Kapanadze, Noman Shah Afridi and BrilliantLight Power
https://youtu.be/rwlEThO5VBw
https://youtu.be/aUWAzmy-61o
https://youtu.be ...