Wot? Solar makes a fair bit where I am. Hydro works fine. Geothermal works fine. Wind works fine. Aircon is very efficient. This is harder in plenty of region

Wot? Solar makes a fair bit where I am. Hydro works fine. Geothermal works fine. Wind works fine. Aircon is very efficient. This is harder in plenty of regions but a blanket ‘can’t be done’ is way off the mark.