2026 BOOK OF LISTS | HARTFORDBUSINESS.COM 25
E N E R G Y
LARGEST ELECTRIC SUPPLIERS PROVIDING ENERGY TO CONNECTICUT
Ranked by total customers (1)
At Titan Energy, we're more than just an energy
consultancy firm—we're your partner in building
data-driven strategies to cut costs and boost
sustainability. Ready to make a lasting impact? Let
Titan Energy electrify your future.
Powering Tomorrow, Today with
Titan Energy!
Power Smarter. Save More. Sustain Better.
860.436.2768 | www.titanenergyne.com
electricity | natural gas | solar | lighting | ev charging
BE A PART OF THE ISSUE • ADVERTISING@HARTFORDBUSINESS.COM
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
DON'T MISS OUR
NOVEMBER 30
TH
ISSUE
focused on
SOLAR ENERGY
HARTFORD
BUSINESS JOURNAL
Connecticut's Business News
