gas/oil combined cycle power plant - $1000/kW (2019)[9]
combustion turbine - $710/kW (2020)[9]
onshore wind - $1600/kW (2019)[9]
offshore wind - $6500/kW (2019)[9]
solar PV (fixed) - $1060/kW (utility),[10] $1800/kW (2019)[9]
solar PV (tracking)- $1130/kW (utility)[10] $2000/kW (2019)[9]
battery storage power - $1380/kW (2020)[9]
conventional hydropower - $2752/kW (2020)[9]
geothermal - $2800/kW (2019)[9]
coal (with SO2 and NOx controls)- $3500–3800/kW[11]
fuel cells - $7200/kW (2019)[9]
-- https://en.m.wikipedia.org/wiki/Cost_of_electricity_by_sourc...
It sure is expensive for something so efficient.