Method	Ranking
Extended PMVS	coal $≼$ nuclear $≼$ oil $≼$ natural gas $≼$ wind $≼$ solar $≼$ biomass $≼$ hydro
Fuzzy TOPSIS group method	nuclear $≼$ coal $≼$ oil $≼$ natural gas $≼$ wind $≼$ solar $≼$ biomass $≼$ hydro