Utilities in ConnecticutEversourceUnited Illuminating Company Best Worst Worst Best A Z Energy Companies : Best to Worst Company Ranking Rating (0-5) Stars Spark Energy 1 3.8 Major Energy 2 3.7 Public Power 3 3.56 XOOM Energy 4 3.5 Constellation 5 3.35 Direct Energy 6 3.34 North American Power 7 3.21 Cirro Energy 8 3.1 Connecticut Light & Power 9 3.1 Eversource 10 3.1 United Illuminating Company 11 3.1 NextEra Energy Services Pennsylvania 12 3.1 Green Mountain Energy 13 3.1 ENGIE 14 3 Energy Rewards 15 3 Viridian Energy 16 3 Verde Energy 17 3 Town Square Energy 18 3 Sunwave Gas & Power 19 3 Starion Energy 20 3 Discount Power Inc. 21 3 Perigee Energy 22 3 Hiko Energy 23 3 Think Energy 24 3 conEdison Solutions 25 3 Connecticut Gas & Electric 26 3 Clearview Energy 27 3 4 Choice Energy 28 3 Aequitas Energy 29 3 Abest Power & Gas 30 3 Ambit Energy 31 2.57 Agera Energy 32 2.57 Liberty Power 33 2.21 Mega Energy 34 2.03 CTG&E 35 2 Energy Companies : Worst to Best Company Ranking Rating (0-5) Stars CTG&E 1 2 Mega Energy 2 2.03 Liberty Power 3 2.21 Agera Energy 4 2.57 Ambit Energy 5 2.57 Discount Power Inc. 6 3 ENGIE 7 3 Energy Rewards 8 3 Viridian Energy 9 3 Verde Energy 10 3 Town Square Energy 11 3 Sunwave Gas & Power 12 3 Starion Energy 13 3 Perigee Energy 14 3 Hiko Energy 15 3 Think Energy 16 3 Connecticut Gas & Electric 17 3 Clearview Energy 18 3 4 Choice Energy 19 3 Aequitas Energy 20 3 Abest Power & Gas 21 3 conEdison Solutions 22 3 Cirro Energy 23 3.1 NextEra Energy Services Pennsylvania 24 3.1 United Illuminating Company 25 3.1 Green Mountain Energy 26 3.1 Connecticut Light & Power 27 3.1 Eversource 28 3.1 North American Power 29 3.21 Direct Energy 30 3.34 Constellation 31 3.35 XOOM Energy 32 3.5 Public Power 33 3.56 Major Energy 34 3.7 Spark Energy 35 3.8 Energy Companies : By Name Company Ranking Rating (0-5) Stars 4 Choice Energy 1 3 Abest Power & Gas 2 3 Aequitas Energy 3 3 Agera Energy 4 2.57 Ambit Energy 5 2.57 Cirro Energy 6 3.1 Clearview Energy 7 3 conEdison Solutions 8 3 Connecticut Gas & Electric 9 3 Connecticut Light & Power 10 3.1 Constellation 11 3.35 CTG&E 12 2 Direct Energy 13 3.34 Discount Power Inc. 14 3 Energy Rewards 15 3 ENGIE 16 3 Eversource 17 3.1 Green Mountain Energy 18 3.1 Hiko Energy 19 3 Liberty Power 20 2.21 Major Energy 21 3.7 Mega Energy 22 2.03 NextEra Energy Services Pennsylvania 23 3.1 North American Power 24 3.21 Perigee Energy 25 3 Public Power 26 3.56 Spark Energy 27 3.8 Starion Energy 28 3 Sunwave Gas & Power 29 3 Think Energy 30 3 Town Square Energy 31 3 United Illuminating Company 32 3.1 Verde Energy 33 3 Viridian Energy 34 3 XOOM Energy 35 3.5