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Employment report: Solar employs more than coal, oil, and natural gas combined. Solar specifically employs the largest share of workers in the Electric Power generation sector.  Issues
under this measure coal cost less than $ 0 01 per kwh in comparison a barrel of oil at $ 70 barrel produces 1700 kwh at a cost approximately $ 0 05 per kwh let s provide some measures to understand energy costsince coal oil and gas can be measured on a cost per kwh we should measure solar costs on a kwh basis some of the considerations for a solar energy system include the 20 to 30 year lifespan of the system and the hours of available sunlight