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Public Utilities

Public Utilities nonprofits in the U.S.

Organizations that provide gas, electricity, water and sanitary services including the hook-up of services and the installation, maintenance and repair of necessary equipment. [Many are located in section 501(c)(12).]. 673 public utilities file a Form 990 in the United States. Together they report $5.5 billion in revenue and hold $21 billion in assets. Browse the largest below, or drill in by state. Also called Electrification, Energy Generating Resources, Energy Suppliers, Gas Services, Energy Suppliers, Light Companies, Natural Gas Services, Power Generating Plants, Propane Services, Public Utilities, Rural Water Companies, Sanitary Services, Utility Systems, Water & Sewer Services, Water Rights, Water Systems, Waterworks.

The largest are Midcontinent Independent System Operator Inc, Electric Reliability Council Of Texas Inc 10-10-90, and Southern Maryland Electric Cooperative Inc.

Organizations
673
Total revenue
$5.5B
Total assets
$20.5B

Largest public utilities

Ranked by revenue. Sort any column, or follow an org to track it.

Top 100 by revenue · 673 public utilities nationwide
Click a column to sort
Organization StateRevenueAssets Follow
Midcontinent Independent System Operator Inc Carmel IN$616.1M$3.4B
Electric Reliability Council Of Texas Inc 10-10-90 Austin TX$543.2M$7.4B
Southern Maryland Electric Cooperative Inc Hughesville MD$542.5M$1.2B
Clay Electric Cooperative Inc Keystone Hgts FL$453.8M$1.0B
Cooperative Energy Incorporated Marietta GA$348.5M$84.0M
New York Independent System Operator Inc Rensselaer NY$255.3M$1.0B
Horry Electric Cooperative Inc Conway SC$215.7M$516.4M
Mpd Electric Cooperative Inc Florence SC$214.9M$401.9M
Laurens Electric Cooperative Inc Laurens SC$163.1M$335.7M
Upper Cumberland Electric Membership Corporation Carthage TN$143.0M$225.6M
Georgia Energy Cooperative An Electric Membership Corporation Tucker GA$131.3M$61.3M
Sulphur Springs Valley Electric Cooperative Inc Willcox AZ$118.5M$370.4M
Institute Of Nuclear Power Operations Atlanta GA$118.4M$124.3M
Moon Lake Electric Association Inc Roosevelt UT$103.4M$166.9M
Georgia System Operations Corporation Tucker GA$99.7M$36.1M
Roughrider Electric Cooperative Inc Hazen ND$86.0M$326.7M
Altamaha Electric Membership Corporation Lyons GA$75.8M$247.1M
Iowa Lakes Electric Cooperative Estherville IA$74.7M$182.9M
District Energy St Paul Inc Saint Paul MN$67.0M$175.4M
Green Power Emc Tucker GA$64.1M$7.4M
P Peninsula Generation Cooperative Cadillac MI$62.4M$15.1M
Edisto Electric Cooperative Inc Bamberg SC$61.5M$254.0M
Rushshelby Energy Rural Electric Cooperative Inc Manilla IN$58.8M$106.7M
Carroll White Remc Monticello IN$53.8M$104.0M
Lewis And Clark Rural Water System Inc Tea SD$49.2M$622.4M
Freestate Electric Cooperative Inc Topeka KS$47.4M$134.4M
Southern Indiana Rec Inc Tell City IN$46.0M$84.4M
United Electric Cooperative Inc Dubois PA$35.1M$126.8M
Breakthrough Energy Foundation Kirkland WA$32.5M$75.2M
Mille Lacs Energy Cooperative Aitkin MN$32.3M$107.5M
Steuben County Rural Electric Membership Corporation Angola IN$31.3M$78.2M
Reliabilityfirst Corporation Cleveland OH$28.2M$21.3M
Midwest Reliability Organization Inc Saint Paul MN$24.6M$19.4M
S Springer Electric Cooperative Inc Springer NM$20.3M$57.5M
Marshall County Rural Electric Membership Corp Plymouth IN$19.4M$69.8M
Texas Reliability Entity Inc Austin TX$19.1M$17.8M
S School And Municipal Energy Cooperative Of Western New York West Seneca NY$18.5M$5.1M
Niobrara Electric Association Inc Lusk WY$17.1M$40.4M
Raccoon Valley Electric Cooperative Glidden IA$17.0M$54.4M
Arkansas Utility Protections Service Inc Conway AR$16.8M$10.7M
Harrison County Rural Electric Cooperative Woodbine IA$15.1M$41.6M
Bridger Valley Electric Association Inc Mountain View WY$14.3M$30.0M
Western Water Company Morrow OH$13.1M$39.1M
Y Yuma County Water Users Association Yuma AZ$13.0M$59.0M
Mcdonough Power Cooperative Inc Macomb IL$12.9M$40.7M
Columbia Basin Electric Cooperative Inc Heppner OR$12.6M$28.5M
Miss Dig System Inc Gladstone MI$11.3M$15.0M
Griffiss Utility Services Corporation Rome NY$10.9M$58.7M
G Grundy County Rural Electric Cooperative Grundy Center IA$10.3M$28.4M
S Southeast Rural Community Assistance Project Inc Roanoke VA$9.9M$10.5M
The Utility Reform Network Oakland CA$8.8M$16.3M
Marias River Electric Cooperative Inc Shelby MT$8.4M$22.2M
Inside Passage Electric Cooperative Incorporated Auke Bay AK$7.2M$15.9M
M Madison Energy Cooperative Association Inc Canton OH$5.0M$2.1M
James Fork Regional Water District Greenwood AR$3.9M$26.0M
N Ncta Education Foundation Inc Washington DC$3.9M$3.2M
Oneida-Madison Electric Cooperative Inc Bouckville NY$3.6M$8.0M
H Henry County Water Company Clinton MO$3.5M$11.0M
Boston Community Access & Programming Foundation Inc Roxbury MA$3.3M$11.4M
Cirbn Llc Bloomington IL$3.3M$11.9M
Milligan Water Supply Corporation Mckinney TX$3.2M$6.6M
Highland Telephone Cooperative Inc Monterey VA$3.2M$10.5M
O Okatoma Water Association Mount Olive MS$3.1M$10.6M
North Lauderdale Water Association Inc Bailey MS$2.9M$10.1M
H High Hills Rural Water Co Inc Dalzell SC$2.9M$9.7M
Copiah Water Association Inc Gallman MS$2.7M$6.9M
B Bunker Hill Water Association Columbia MS$2.7M$4.4M
Butler County Water System Inc Bowling Green KY$2.6M$21.5M
South Harrison Water Corporation Corydon IN$2.5M$14.5M
Jonestown Water Supply Corporation Jonestown TX$2.5M$17.1M
Concord Robbins Water Supply Corporation Marquez TX$2.5M$18.7M
L Lewisburg-Bellevue Water System Inc Opelousas LA$2.5M$7.4M
Iowa Rural Water Association Newton IA$2.2M$2.9M
Sturdivant-Progress Water Supply Corpora Mineral Wells TX$2.1M$2.5M
L Lake Area Wastewater Association Incorporation Camdenton MO$2.1M$1.8M
Public Utility Law Project Of New York Inc Albany NY$2.1M$2.3M
Y Yosemite Spring Park Utility Company Coarsegold CA$2.1M$6.9M
O Ozarks Clean Water Company Kimberling Cy MO$2.0M$6.9M
Western Dakota Regional Water System Inc Rapid City SD$2.0M$3.2M
W Woodlands Mutual Water Company Of San Luis Obispo County Arroyo Grande CA$1.9M$2.3M
North Clackamas Urban Watersheds Council Milwaukie OR$1.9M$846K
Pp&L Sustainable Energy Fund Inc Schnecksville PA$1.8M$20.3M
New England States Committee On Electricity Osterville MA$1.8M$2.3M
C Carr And Tyler Ditch And Reservoir Company Broomfield CO$1.8M$8.8M
Maryland Rural Water Association Glenwood MD$1.7M$1.0M
W Wilk-Amite Water Association Inc Gloster MS$1.7M$3.3M
A Arlington Community Water Assoc Beaumont MS$1.6M$3.2M
L Los Tules Mutual Water Company Warner Spgs CA$1.6M$2.6M
Southern Black Hills Water System Inc Hot Springs SD$1.6M$15.8M
Peoples Solar Energy Fund Pittsfield MA$1.6M$2.6M
D Daybreak Water Company South Jordan UT$1.6M$7.1M
A Alta Mutual Water Co Ventura CA$1.5M$5.1M
Q Quincy Water Association Inc Amory MS$1.5M$8.1M
Lawrence County Water Association Monticello MS$1.4M$3.0M
C Coaling Water Authority Inc Coaling AL$1.4M$5.0M
S Southwest Alabama Water Authority Peterman AL$1.4M$6.0M
N Northwest Hvac R Association & Training Center Spokane WA$1.4M$2.0M
S Spring Valley Water System Tuscumbia AL$1.3M$5.2M
Rch Water Supply Corporation Rockwall TX$1.3M$36.0M
L A Water Co-Operative Gaston OR$1.3M$4.7M
See all →

All public utilities by state

California86 orgsTexas71 orgsMississippi49 orgsWashington49 orgsColorado44 orgsUtah33 orgsOregon23 orgsLouisiana20 orgsNew Mexico20 orgsIdaho17 orgsIllinois16 orgsArizona13 orgsGeorgia12 orgsIndiana12 orgsMontana12 orgsNew York12 orgsMissouri11 orgsSouth Dakota10 orgsMinnesota9 orgsAlabama8 orgsHawaii8 orgsMassachusetts8 orgsSouth Carolina8 orgsAlaska7 orgsFlorida7 orgsMaryland7 orgsPennsylvania7 orgsArkansas6 orgsMichigan6 orgsNorth Carolina6 orgsOklahoma6 orgsWyoming6 orgsIowa5 orgsOhio5 orgs

Largest public utilities by state

California86 orgsTexas71 orgsMississippi49 orgsWashington49 orgsColorado44 orgsUtah33 orgsOregon23 orgsLouisiana20 orgsNew Mexico20 orgsIdaho17 orgsIllinois16 orgsArizona13 orgsGeorgia12 orgsIndiana12 orgsMontana12 orgsNew York12 orgsMissouri11 orgsSouth Dakota10 orgsMinnesota9 orgsAlabama8 orgsHawaii8 orgsMassachusetts8 orgsSouth Carolina8 orgsAlaska7 orgsFlorida7 orgsMaryland7 orgsPennsylvania7 orgsArkansas6 orgsMichigan6 orgsNorth Carolina6 orgsOklahoma6 orgsWyoming6 orgsIowa5 orgsOhio5 orgs
Public data from IRS Form 990 e-file & Business Master File. A 990 shows how an organization is run and funded — not its real-world outcomes. Figures are presented without evaluation; we do not rate, score, or rank organizations. · philanthropy.org