Delete the construction slot (TFR the power generation facility can now generate electricity
Added power output to power generation facilities
Original mod link: https://steamcommunity.com/sharedfiles/filedetails/?id=3351081145
Resource requirements for power facilities have not been added (e.g., nuclear power requires four chromium) — I’m too lazy
and all power plant 5x electricity，because too many factories may lead to power lacked
