Grid scale CCGT are way more efficient than small gas heaters. And you don't have to do gas distribution. https://en.m.wikipedia.org/wiki/Combined_cycle_power_

Grid scale CCGT are way more efficient than small gas heaters. And you don't have to do gas distribution. https://en.m.wikipedia.org/wiki/Combined_cycle_power_plant https://en.m.wikipedia.org/wiki/Combined_cycle_power_plant