Best Worst Worst Best A Z Energy Companies : Best to Worst Company Ranking Rating (0-5) Stars Constellation 1 4.27 Energy Harbor 2 4.1 Spark Energy 3 3.8 North American Power 4 3.8 Vista Energy 5 3.8 Direct Energy 6 3.75 Major Energy 7 3.7 Champion Energy Services 8 3.66 Tomorrow Energy 9 3.6 Sperian Energy 10 3.6 Public Power 11 3.56 Oasis Energy 12 3.53 Residents Energy 13 3.5 Homefield Energy 14 3.5 Green Mountain Energy 15 3.44 Frontier Utilities 16 3.42 Nordic Energy Services 17 3.4 Star Energy Partners 18 3.4 Switch Energy 19 3.4 Realgy Energy Services 20 3.33 Energy.Me 21 3.3 CleanSky Energy 22 3.3 Archer Energy 23 3.2 IDT Energy 24 3.1 IGS Energy 25 3.1 NRG Home 26 3.1 Symmetry Energy Solutions 27 3.1 Palmco Energy 28 3.1 CleanChoice Energy 29 3.1 AEP Energy 30 3.1 NextEra Energy Services Pennsylvania 31 3.1 ENGIE 32 3 SmartEnergy 33 3 Energy Rewards 34 3 Verde Energy 35 3 Viridian Energy 36 3 Abest Power & Gas 37 3 Aequitas Energy 38 3 4 Choice Energy 39 3 XOOM Energy 40 3 Clearview Energy 41 3 conEdison Solutions 42 3 Discount Power Inc. 43 3 Think Energy 44 3 Hiko Energy 45 3 Perigee Energy 46 3 Starion Energy 47 3 Sunwave Gas & Power 48 3 Town Square Energy 49 3 Corn Belt Energy 50 2.99 National Gas & Electric 51 2.8 Santanna Energy Services 52 2.8 Cirro Energy 53 2.78 Dynegy Energy Services 54 2.7 LifeEnergy 55 2.7 SFE Energy 56 2.7 MC Squared Energy Services 57 2.6 Just Energy 58 2.6 Agera Energy 59 2.57 Ambit Energy 60 2.57 Liberty Power 61 2.21 Mega Energy 62 2.03 ILG&E 63 2 Nicor Electric 64 1 Illinois Gas & Electric 65 0.91 Energy Companies : Worst to Best Company Ranking Rating (0-5) Stars Illinois Gas & Electric 1 0.91 Nicor Electric 2 1 ILG&E 3 2 Mega Energy 4 2.03 Liberty Power 5 2.21 Agera Energy 6 2.57 Ambit Energy 7 2.57 Just Energy 8 2.6 MC Squared Energy Services 9 2.6 LifeEnergy 10 2.7 Dynegy Energy Services 11 2.7 SFE Energy 12 2.7 Cirro Energy 13 2.78 National Gas & Electric 14 2.8 Santanna Energy Services 15 2.8 Corn Belt Energy 16 2.99 Perigee Energy 17 3 Starion Energy 18 3 Sunwave Gas & Power 19 3 Town Square Energy 20 3 Viridian Energy 21 3 XOOM Energy 22 3 Energy Rewards 23 3 Verde Energy 24 3 ENGIE 25 3 SmartEnergy 26 3 Hiko Energy 27 3 Think Energy 28 3 Discount Power Inc. 29 3 conEdison Solutions 30 3 Clearview Energy 31 3 4 Choice Energy 32 3 Aequitas Energy 33 3 Abest Power & Gas 34 3 Palmco Energy 35 3.1 AEP Energy 36 3.1 CleanChoice Energy 37 3.1 Symmetry Energy Solutions 38 3.1 IDT Energy 39 3.1 NextEra Energy Services Pennsylvania 40 3.1 NRG Home 41 3.1 IGS Energy 42 3.1 Archer Energy 43 3.2 CleanSky Energy 44 3.3 Energy.Me 45 3.3 Realgy Energy Services 46 3.33 Switch Energy 47 3.4 Star Energy Partners 48 3.4 Nordic Energy Services 49 3.4 Frontier Utilities 50 3.42 Green Mountain Energy 51 3.44 Homefield Energy 52 3.5 Residents Energy 53 3.5 Oasis Energy 54 3.53 Public Power 55 3.56 Tomorrow Energy 56 3.6 Sperian Energy 57 3.6 Champion Energy Services 58 3.66 Major Energy 59 3.7 Direct Energy 60 3.75 Vista Energy 61 3.8 Spark Energy 62 3.8 North American Power 63 3.8 Energy Harbor 64 4.1 Constellation 65 4.27 Energy Companies : By Name Company Ranking Rating (0-5) Stars 4 Choice Energy 1 3 Abest Power & Gas 2 3 AEP Energy 3 3.1 Aequitas Energy 4 3 Agera Energy 5 2.57 Ambit Energy 6 2.57 Archer Energy 7 3.2 Champion Energy Services 8 3.66 Cirro Energy 9 2.78 CleanChoice Energy 10 3.1 CleanSky Energy 11 3.3 Clearview Energy 12 3 conEdison Solutions 13 3 Constellation 14 4.27 Corn Belt Energy 15 2.99 Direct Energy 16 3.75 Discount Power Inc. 17 3 Dynegy Energy Services 18 2.7 Energy Harbor 19 4.1 Energy Rewards 20 3 Energy.Me 21 3.3 ENGIE 22 3 Frontier Utilities 23 3.42 Green Mountain Energy 24 3.44 Hiko Energy 25 3 Homefield Energy 26 3.5 IDT Energy 27 3.1 IGS Energy 28 3.1 ILG&E 29 2 Illinois Gas & Electric 30 0.91 Just Energy 31 2.6 Liberty Power 32 2.21 LifeEnergy 33 2.7 Major Energy 34 3.7 MC Squared Energy Services 35 2.6 Mega Energy 36 2.03 National Gas & Electric 37 2.8 NextEra Energy Services Pennsylvania 38 3.1 Nicor Electric 39 1 Nordic Energy Services 40 3.4 North American Power 41 3.8 NRG Home 42 3.1 Oasis Energy 43 3.53 Palmco Energy 44 3.1 Perigee Energy 45 3 Public Power 46 3.56 Realgy Energy Services 47 3.33 Residents Energy 48 3.5 Santanna Energy Services 49 2.8 SFE Energy 50 2.7 SmartEnergy 51 3 Spark Energy 52 3.8 Sperian Energy 53 3.6 Star Energy Partners 54 3.4 Starion Energy 55 3 Sunwave Gas & Power 56 3 Switch Energy 57 3.4 Symmetry Energy Solutions 58 3.1 Think Energy 59 3 Tomorrow Energy 60 3.6 Town Square Energy 61 3 Verde Energy 62 3 Viridian Energy 63 3 Vista Energy 64 3.8 XOOM Energy 65 3