Electricity FeaturedGenCos release 3,406 MWH of electricity to national gridBy Abisola THOMPSONOctober 6, 2019 by By Abisola THOMPSONOctober 6, 20190754 Electricity Generation Companies (GenCos), comprising gas-fired and hydro stations, said they released an average of 3,406 MegaWatts/Hour of electricity into the national grid on Friday.