Conversion to electric heating and new power plants
Heating for housing or commercial buildings will require to replace furnace, possibly radiators, stove, and water boiler. They may be replaced with each new owner revamping the building, with voluntary and mandatory replacement, or with subsidies.
These replacements will increase the demand of electricity from the grid, especially for housing in cold areas. Meanwhile, the hottest parts of the country already consume electricity for their air conditioning, which is included in the category of electricity from power plants.