3 ms·The graph below has £120/MWh in 2015, £57.5 in 2017, and £40 in 2019. Gas costs about £50/MWh.by Brakenshire 7y agoThe graph below has £120/MWh in 2015, £57.5 in 2017, and £40 in 2019. Gas costs about £50/MWh.