The United States is set to add a total of 8.6 gigawatts (GW) of natural gas-fired electric generating capacity in 2023, more than the gas-fired additions in 2022 and 2021, the U.S. Energy Information Administration (EIA) said on Monday. As many as 10 natural gas-fired power plants have already come online so far this year, adding 6.8 GW of electric generating capacity, EIA’s Monthly Electric Generator Inventory showed. Another six gas-fired power plants with a combined power generating capacity of 1.8 GW are expected to…