Whole new build area's here now come without natural gas connections, for cooking and heating, 0 energy homes, very good insulated solar panels on the roof large batteries for delivering electricity when dark, connected homes delivering electricity to each other when needed, and solar heating water panels on the roof adding warm water for shower/bathing, dishwashing.
If heat is needed a heat pump is in place to deliver needed warmth.
In area's where that is possible rest heat from the industry is used to warm houses, LED lighting on the street fed by communal solar panels/batteries.