Electricity FeaturedGenCos release 3,742 MWH of electricity to national gridBy Shile GIWAOctober 12, 2019 by By Shile GIWAOctober 12, 20190877 Electricity Generation Companies (GenCos), comprising gas-fired and hydro stations, said they released an average of 3,742 MegaWatts/Hour of electricity into the national grid on Thursday.