Issue link: https://nebusinessmedia.uberflip.com/i/1542283
26 HARTFORDBUSINESS.COM | 2026 BOOK OF LISTS E N E R G Y SOLAR ENERGY COMPANIES OPERATING IN CONNECTICUT Ranked by kilowatts installed statewide in 2024 LARGEST ELECTRIC SUPPLIERS PROVIDING ENERGY TO CONNECTICUT Ranked by total customers (1) Solar energy companies operating in Connecticut Ranked by kilowatts installed statewide in 2024 Company KW installed statewide 2024/ (1) KW installed worldwide 2024 (1) Statewide employees/ total employees Solar related services Top executive(s)/ year founded 1 SOLV Energy 16680 W. Bernardo Drive, San Diego, CA 92127 858-251-4888 • solvenergy.com 155,000 4,053,100 N/A 1,600 Engineering, procurement & construction (EPC) George Hershman CEO 2008 2 Trinity Solar 7 McKee Place, Cheshire, CT 06410 203-701-3724 • trinity-solar.com 29,158.73 128,600.21 N/A 2,877 Sales, design, engineering, applications and approvals, installation, service RJ Sparks President & CEO 1994 3 Silicon Ranch 222 2nd Ave. South, Suite 1900, Nashville, TN 37201 615-577-4786 • siliconranch.com 24,600 769,000 N/A 303 Development Reagan Farr President & CEO 2011 4 CTEC Solar 1 Grif CT 06002 860-580-7174 • ctecsolar.com 23,189.12 43,289.12 45 55 Origination; engineering, procurement and construction (EPC), operations and maintenance (O&M) Michael Toro President 2011 5 Verogy 124 LaSalle Road, 2nd Floor, West Hartford, CT 06107 860-288-7215 • verogy.com 19,380.74 28,306.02 35 57 Vertically integrated solar development, solutions for commercial and utility-scale solar energy projects nationwide William Herchel CEO 2017 6 Earthlight Technologies LLC 128 West Road, Ellington, CT 06029 860-871-9700 • earthlighttech.com 11,725 15,556 140 175 Design and installation, operations and maintenance (O&M), solar panel cleaning, electric vehicle charging, residential battery-backup systems, commercial energy storage systems, solar production monitoring Sam Schneider Co-founder & CEO 2008 7 Momentum Solar 80 Clark Drive, Unit A-1, East Berlin, CT 06023 888-666-3688 • momentumsolar.com 8,846 68,334 578 2,500 Installation Arthur Souritzidis CEO 2009 8 DCE Services 19410 Jetton Road, Suite 220, Cornelius, NC 28031 704-659-7474 • dcesolar.com/services 7,566 116,909.53 N/A 37 Installation subcontracting Bill Taylor President 2009 9 Core Development Group 860 Wyckoff Ave., Suite. 200, Mahwah, NJ 07430 201-825-2195 • coredevusa.com 5,840 32,117 3 50 Commercial solar, battery storage, electric vehicle charging, commercial energy solutions Henry Cortes CEO 2012 10 Premier Improvements Solar 71 Raymond Drive, Suite 115, West Hartford, CT 06107 860-969-4006 • premierimprovementsone.com 5,601.21 5,601.21 17 17 Rooftop and ground mount systems, storage and battery backup, new roof and solar Brian Flannigan CFO 2020 Largest electric suppliers providing energy to Connecticut Ranked by total customers ((11)) Supplier Total customers/ share of CT market (2) Total business customers/ total residential customers Chief executive 1 Constellation NewEnergy Inc. (3) 100 Constellation Way, Baltimore, MD 21202 855-465-1244 (residential), 844-636-3749 (business) • constellation.com 122,439 39.72% 22,065 100,374 Joseph Dominguez President & CEO 2 Town Square Energy (4) 2200 E. Williams Field Road, Suite 200, Gilbert, AZ 85295 877-430-0093 (residential), 855-825-4545 (business) • townsquareenergy.com 51,509 16.71% 2,210 49,299 Michael Stein CEO, Genie Energy 3 Direct Energy 910 Louisiana, Houston, TX 77002 888-523-7921 • directenergy.com 36,096 11.71% 3,386 32,710 Badar Khan President & CEO 4 Think Energy 11807 Westheimer Road, Suite 550, Houston, TX 77077 888-923-3633 • mythinkenergy.com 32,507 10.55% 2,151 30,356 Michael Fallquist CEO, Energywell 5 Engie Energy Resources Inc. 1990 Post Oak Blvd., Suite 1900, Houston, TX 77056 866-693-6443 • engieresources.com 9,516 3.09% 6,060 3,456 Geoffrey Duda President 6 XOOM Energy Connecticut LLC (5) 11208 Statesville Road, Suite 200, Huntersville, NC 28078 888-997-8979 • xoomenergy.com 9,410 3.05% 1,977 7,433 Mark Parsons VP & GM, Green Mountain Energy, Stream and XOOM Energy 7 Calpine Energy Solutions 401 W. A St., Suite 500, San Diego, CA 92101 877-273-6772 • calpinesolutions.com 7,520 2.44% 7,403 117 Andrew Novotny President & CEO 8 Direct Energy Business LLC 1001 Liberty Ave., Suite 1200, Pittsburgh, PA 15222 800-830-5923 • business.directenergy.com 7,416 2.41% 6,129 1,287 John Schultz President 9 Major Energy Electric Services 12140 Wickchester Lane, Suite 100, Houston, TX 77079 888-625-6760 • majorenergy.com 6,206 2.01% 452 5,754 Mark Wiederman President 10 NextEra Energy Services Connecticut LLC 20455 State Highway 249, Suite 200, Houston, TX 77070 877-528-2890 • nexteraenergyservices.com 5,835 1.89% 5,061 774 Ryan McGeachie President 11 FirstPoint Power LLC 300 Jefferson Blvd., Suite 104, Warwick, RI 02888 401-684-1443 • .com 5,597 1.82% 2,730 2,867 Peter Schieffelin CEO 12 BP Energy Retail Co. LLC 201 Helios Way, Houston, TX 77079 877-432-4530 • retailportal.bp.com 3,666 1.19% 2,806 860 Deborah Merrill President 13 North American Power and Gas LLC (6) 1500 Rankin Road, Suite 200, Houston, TX 77073 888-313-9086 • napower.com 3,107 1.01% 127 2,980 Deryl Brown CEO 14 Catalyst Power & Gas New York, NY 888-789-7250 • catalystpower.com 2,507 0.81% 2,168 339 Gabe Phillips Founder & CEO 15 Smartest Energy U.S. LLC 333 West Washington St., Syracuse, NY 13202 800-448-0995 • smartestenergy.com 2,187 0.71% 1,393 794 Robert Groves CEO 16 MP2 Energy NE LLC, a Shell Energy Solutions subsidiary 21 Waterway Ave., Suite 45, The Woodlands, TX 77380 877-238-5343 • shellenergy.com 805 0.26% 764 41 David Black CEO, Shell Energy Solutions 17 Eligo Energy 201 W. Lake St., Suite 151, Chicago, IL 60606 888-744-8125 • eligoenergy.com 759 0.25% 715 44 Michael Osowski CEO 18 EDF Energy Services LLC 601 Travis, Suite 1700, Houston, TX 77002 333-200-5103 • edfenergyna.com 468 0% 420 48 Simone Rossi CEO 19 Champion Energy Services LLC (6) 1500 Rankin Road, Suite 200, Houston, TX 77073 877-653-5090 • championenergyservices.com 403 0.13% 336 67 Michael Sullivan CEO 20 NRG Retail Solutions 910 Louisiana St., Houston, TX 77002 713-537-3000 • nrg.com 163 0% 64 99 Rasesh Patel President, NRG Consumer 21 Energy Plus Holdings LLC (7) P.O. Box 38815, Philadelphia, PA 19104 888-766-3509 (8) • energypluscompany.com 52 0% 27 25 Steve Barnes President Source: Connecticut Public Utilities Regulatory Authority (PURA), supplier websites and press releases. Note: N/A = Not available. (1) As of Oct. 31, 2025; customer counts do not include pending enrollments. (2) Based on 308,224 customers in Conn., with 239,724 residential and 68,500 business customers; does not include customers receiving standard or last resort service directly through United Illuminating Co. or Eversource. (3) Part of Constellation Energy Group, a subsidiary of Exelon Corp. (4) Part of Genie Retail Energy, a division of Genie Energy LTD. (5) Part of NRG Retail LLC. (6) Part of Calpine. (7) A subsidiary of NRG Energy; currently not enrolling new customers in Connecticut. (8) For existing customers only. -Compiled by Stephanie R. Meagher, research@nebusinessmedia.com 5 Engie Energy Resources Inc. 1990 Post Oak Blvd., Suite 1900, Houston, TX 77056 866-693-6443 • engieresources.com 9,516 3.09% 6,060 3,456 Geoffrey Duda President 6 XOOM Energy Connecticut LLC (5) 11208 Statesville Road, Suite 200, Huntersville, NC 28078 888-997-8979 • xoomenergy.com 9,410 3.05% 1,977 7,433 Mark Parsons VP & GM, Green Mountain Energy, Stream and XOOM Energy 7 Calpine Energy Solutions 401 W. A St., Suite 500, San Diego, CA 92101 877-273-6772 • calpinesolutions.com 7,520 2.44% 7,403 117 Andrew Novotny President & CEO 8 Direct Energy Business LLC 1001 Liberty Ave., Suite 1200, Pittsburgh, PA 15222 800-830-5923 • business.directenergy.com 7,416 2.41% 6,129 1,287 John Schultz President 9 Major Energy Electric Services 12140 Wickchester Lane, Suite 100, Houston, TX 77079 888-625-6760 • majorenergy.com 6,206 2.01% 452 5,754 Mark Wiederman President 10 NextEra Energy Services Connecticut LLC 20455 State Highway 249, Suite 200, Houston, TX 77070 877-528-2890 • nexteraenergyservices.com 5,835 1.89% 5,061 774 Ryan McGeachie President 11 FirstPoint Power LLC 300 Jefferson Blvd., Suite 104, Warwick, RI 02888 401-684-1443 • .com 5,597 1.82% 2,730 2,867 Peter Schieffelin CEO 12 BP Energy Retail Co. LLC 201 Helios Way, Houston, TX 77079 877-432-4530 • retailportal.bp.com 3,666 1.19% 2,806 860 Deborah Merrill President 13 North American Power and Gas LLC (6) 1500 Rankin Road, Suite 200, Houston, TX 77073 888-313-9086 • napower.com 3,107 1.01% 127 2,980 Deryl Brown CEO 14 Catalyst Power & Gas New York, NY 888-789-7250 • catalystpower.com 2,507 0.81% 2,168 339 Gabe Phillips Founder & CEO 15 Smartest Energy U.S. LLC 333 West Washington St., Syracuse, NY 13202 800-448-0995 • smartestenergy.com 2,187 0.71% 1,393 794 Robert Groves CEO 16 MP2 Energy NE LLC, a Shell Energy Solutions subsidiary 21 Waterway Ave., Suite 45, The Woodlands, TX 77380 877-238-5343 • shellenergy.com 805 0.26% 764 41 David Black CEO, Shell Energy Solutions 17 Eligo Energy 201 W. Lake St., Suite 151, Chicago, IL 60606 888-744-8125 • eligoenergy.com 759 0.25% 715 44 Michael Osowski CEO 18 EDF Energy Services LLC 601 Travis, Suite 1700, Houston, TX 77002 333-200-5103 • edfenergyna.com 468 0% 420 48 Simone Rossi CEO 19 Champion Energy Services LLC (6) 1500 Rankin Road, Suite 200, Houston, TX 77073 877-653-5090 • championenergyservices.com 403 0.13% 336 67 Michael Sullivan CEO 20 NRG Retail Solutions 910 Louisiana St., Houston, TX 77002 713-537-3000 • nrg.com 163 0% 64 99 Rasesh Patel President, NRG Consumer 21 Energy Plus Holdings LLC (7) P.O. Box 38815, Philadelphia, PA 19104 888-766-3509 (8) • energypluscompany.com 52 0% 27 25 Steve Barnes President Source: Connecticut Public Utilities Regulatory Authority (PURA), supplier websites and press releases. Note: N/A = Not available. (1) As of Oct. 31, 2025; customer counts do not include pending enrollments. (2) Based on 308,224 customers in Conn., with 239,724 residential and 68,500 business customers; does not include customers receiving standard or last resort service directly through United Illuminating Co. or Eversource. (3) Part of Constellation Energy Group, a subsidiary of Exelon Corp. (4) Part of Genie Retail Energy, a division of Genie Energy LTD. (5) Part of NRG Retail LLC. (6) Part of Calpine. (7) A subsidiary of NRG Energy; currently not enrolling new customers in Connecticut. (8) For existing customers only. -Compiled by Stephanie R. Meagher, research@nebusinessmedia.com