Electric companies in Colorado
62 electric utilities serve Colorado, according to US EIA-861 service-territory filings and live outage feeds. The largest by customers is Public Service Co of Colorado, with about 1,605,245 customers in Colorado (US EIA-861, 2025).
Territory is filed by county, so a county can list several utilities; usually only one serves a given address, and your electric bill names it.
Find yours by ZIP code
Every electric utility in Colorado
Largest first, by customers on its lines in Colorado (US EIA-861, 2025). “Live” is whether MassOutage can see its outages.
| Utility | Type | Customers | Counties | Live | Report an outage |
|---|---|---|---|---|---|
| Public Service Co of Colorado | Investor Owned | 1,605,245 | 57 | Live · county | - |
| City of Colorado Springs - (CO) | Municipal | 264,106 | 2 | Live · county | Outage map ↗ |
| CORE Electric Cooperative | Cooperative | 182,993 | 11 | Outages only | - |
| United Power, Inc | Cooperative | 115,479 | 6 | Outages only | - |
| Black Hills Colorado Electric, LLC | Investor Owned | 111,502 | 7 | Live · county | - |
| City of Fort Collins - (CO) | Municipal | 80,929 | 1 | Live · county | - |
| Mountain View Elec Assn, Inc | Cooperative | 65,946 | 8 | Live · county | - |
| Holy Cross Electric Assn, Inc | Cooperative | 61,834 | 5 | Live · county | - |
| Poudre Valley REA, Inc | Cooperative | 56,750 | 3 | Live · county | - |
| La Plata Electric Assn, Inc | Cooperative | 47,488 | 5 | Live · county | - |
| City of Longmont | Municipal | 44,390 | 2 | No live feed | - |
| City of Loveland - (CO) | Municipal | 42,769 | 1 | No live feed | - |
| Delta Montrose Electric Assn | Cooperative | 37,301 | 4 | Live · county | - |
| Yampa Valley Electric Assn Inc | Cooperative | 28,314 | 5 | Live · county | - |
| San Isabel Electric Assn, Inc | Cooperative | 26,166 | 7 | Live · county | - |
| Mountain Parks Electric, Inc | Cooperative | 23,368 | 5 | No live feed | - |
| Grand Valley Power | Cooperative | 20,095 | 3 | Live · county | - |
| City of Fountain | Municipal | 18,127 | 1 | No live feed | - |
| Empire Electric Assn, Inc | Cooperative | 15,986 | 3 | No live feed | - |
| San Miguel Power Assn, Inc | Cooperative | 15,087 | 6 | Live · county | - |
| Sangre De Cristo Elec Assn Inc | Cooperative | 14,818 | 5 | No live feed | - |
| San Luis Valley R E C, Inc | Cooperative | 13,020 | 7 | No live feed | - |
| Gunnison County Elec Assn. | Cooperative | 11,879 | 3 | No live feed | - |
| Town of Estes Park | - | 11,307 | 2 | No live feed | - |
| Southeast Colorado Power Assn | Cooperative | 10,970 | 11 | No live feed | - |
| Morgan County Rural Elec Assn | Cooperative | 9,650 | 6 | No live feed | - |
| Y-W Electric Assn Inc | Cooperative | 8,809 | 2 | No live feed | - |
| Highline Electric Assn | - | 8,415 | 7 | Live · county | - |
| City of Glenwood Springs - (CO) | - | 7,259 | 1 | No live feed | - |
| K C Electric Association | - | 6,609 | 4 | No live feed | - |
| City of Fort Morgan | Municipal | 6,535 | 1 | No live feed | - |
| City of Gunnison - (CO) | - | 4,715 | 1 | No live feed | - |
| City of Trinidad - (CO) | - | 4,673 | 1 | No live feed | - |
| City of Lamar - (CO) | Municipal | 4,089 | 2 | No live feed | - |
| City of La Junta - (CO) | - | 3,800 | 1 | No live feed | - |
| City of Delta - (CO) | - | 3,746 | 1 | No live feed | - |
| White River Electric Assn, Inc | Cooperative | 3,502 | 3 | No live feed | - |
| City of Aspen- (CO) | - | 3,128 | 1 | No live feed | - |
| Moon Lake Electric Assn Inc | Cooperative | 2,222 | 3 | Live · county | - |
| City of Las Animas - (CO) | - | 2,098 | 1 | No live feed | - |
| City of Burlington - (CO) | - | 2,047 | 1 | No live feed | - |
| City of Yuma - (CO) | - | 1,615 | 1 | No live feed | - |
| City of Center - (CO) | - | 1,344 | 2 | No live feed | - |
| City of Wray | - | 1,343 | 1 | No live feed | - |
| City of Holyoke - (CO) | - | 1,222 | 1 | No live feed | - |
| Town of Lyons - (CO) | - | 1,178 | 1 | No live feed | - |
| High West Energy, Inc | - | 1,055 | 3 | Live · county | - |
| City of Julesburg - (CO) | - | 954 | 1 | No live feed | - |
| City of Springfield - (CO) | - | 921 | 1 | No live feed | - |
| Town of Oak Creek - (CO) | - | 696 | 1 | No live feed | - |
| Town of Haxtun - (CO) | - | 622 | 1 | No live feed | - |
| Town of Holly - (CO) | - | 587 | 1 | No live feed | - |
| Town of Granada - (CO) | - | 319 | 1 | No live feed | - |
| Town of Fleming - (CO) | - | 223 | 1 | No live feed | - |
| Tri-County Electric Coop, Inc (OK) | Cooperative | 63 | 1 | Live · county | - |
| Wheatland Electric Coop, Inc | Cooperative | 57 | 3 | No live feed | - |
| WAPA-- Western Area Power Administration | - | 15 | 38 | No live feed | - |
| Southwestern Electric Coop Inc - (NM) | - | 7 | 1 | No live feed | - |
| Deseret Generation & Tran Coop | - | 1 | 1 | No live feed | - |
| Holy Cross Electric Assn, Inc,holycrossenergy | - | - | 3 | No live feed | - |
| Black Hills Energy | - | - | 2 | No live feed | - |
| Wheat Belt Public Power Dist | - | - | 1 | Outages only | - |
Electric utilities by county
Each county's utilities, largest in the state first. The county name opens its live outage page.
- Adams County
- Public Service Co of Colorado, CORE Electric Cooperative, United Power, Inc, Morgan County Rural Elec Assn, WAPA-- Western Area Power Administration
- Arapahoe County
- Public Service Co of Colorado, CORE Electric Cooperative, Mountain View Elec Assn, Inc, Morgan County Rural Elec Assn
- Baca County
- Public Service Co of Colorado, Southeast Colorado Power Assn, City of Springfield - (CO), Tri-County Electric Coop, Inc (OK)
- Bent County
- Public Service Co of Colorado, Southeast Colorado Power Assn, City of Lamar - (CO), City of Las Animas - (CO)
- Boulder County
- Public Service Co of Colorado, United Power, Inc, Poudre Valley REA, Inc, City of Longmont, Town of Estes Park, Town of Lyons - (CO), WAPA-- Western Area Power Administration
- Broomfield County
- Public Service Co of Colorado, United Power, Inc, WAPA-- Western Area Power Administration
- Chaffee County
- Public Service Co of Colorado, CORE Electric Cooperative, Sangre De Cristo Elec Assn Inc, WAPA-- Western Area Power Administration
- Cheyenne County
- Southeast Colorado Power Assn, K C Electric Association, Wheatland Electric Coop, Inc
- Clear Creek County
- Public Service Co of Colorado, CORE Electric Cooperative, WAPA-- Western Area Power Administration
- Costilla County
- Public Service Co of Colorado, San Isabel Electric Assn, Inc, San Luis Valley R E C, Inc
- Crowley County
- Public Service Co of Colorado, Black Hills Colorado Electric, LLC, Mountain View Elec Assn, Inc, Southeast Colorado Power Assn
- Custer County
- Public Service Co of Colorado, Black Hills Colorado Electric, LLC, San Isabel Electric Assn, Inc, Sangre De Cristo Elec Assn Inc, WAPA-- Western Area Power Administration
- Delta County
- Public Service Co of Colorado, Delta Montrose Electric Assn, Grand Valley Power, City of Delta - (CO), WAPA-- Western Area Power Administration
- Dolores County
- Public Service Co of Colorado, Empire Electric Assn, Inc, San Miguel Power Assn, Inc, WAPA-- Western Area Power Administration
- Douglas County
- Public Service Co of Colorado, CORE Electric Cooperative, Mountain View Elec Assn, Inc, WAPA-- Western Area Power Administration
- Eagle County
- Public Service Co of Colorado, Holy Cross Electric Assn, Inc, Yampa Valley Electric Assn Inc, Holy Cross Electric Assn, Inc,holycrossenergy
- El Paso County
- Public Service Co of Colorado, City of Colorado Springs - (CO), CORE Electric Cooperative, Black Hills Colorado Electric, LLC, Mountain View Elec Assn, Inc, City of Fountain, Southeast Colorado Power Assn, WAPA-- Western Area Power Administration
- Fremont County
- Public Service Co of Colorado, CORE Electric Cooperative, Black Hills Colorado Electric, LLC, San Isabel Electric Assn, Inc, Sangre De Cristo Elec Assn Inc, WAPA-- Western Area Power Administration, Black Hills Energy
- Garfield County
- Public Service Co of Colorado, Holy Cross Electric Assn, Inc, Grand Valley Power, City of Glenwood Springs - (CO), White River Electric Assn, Inc, Moon Lake Electric Assn Inc, WAPA-- Western Area Power Administration, Holy Cross Electric Assn, Inc,holycrossenergy
- Grand County
- Public Service Co of Colorado, Yampa Valley Electric Assn Inc, Mountain Parks Electric, Inc, WAPA-- Western Area Power Administration
- Gunnison County
- Public Service Co of Colorado, Holy Cross Electric Assn, Inc, Delta Montrose Electric Assn, Gunnison County Elec Assn., City of Gunnison - (CO), WAPA-- Western Area Power Administration
- Hinsdale County
- Public Service Co of Colorado, La Plata Electric Assn, Inc, San Luis Valley R E C, Inc, Gunnison County Elec Assn.
- Jefferson County
- Public Service Co of Colorado, CORE Electric Cooperative, United Power, Inc, WAPA-- Western Area Power Administration
- Kiowa County
- Public Service Co of Colorado, Southeast Colorado Power Assn, K C Electric Association, Wheatland Electric Coop, Inc
- La Plata County
- Public Service Co of Colorado, La Plata Electric Assn, Inc, WAPA-- Western Area Power Administration
- Lake County
- Public Service Co of Colorado, Sangre De Cristo Elec Assn Inc, WAPA-- Western Area Power Administration
- Larimer County
- Public Service Co of Colorado, City of Fort Collins - (CO), Poudre Valley REA, Inc, City of Loveland - (CO), Mountain Parks Electric, Inc, Town of Estes Park, High West Energy, Inc, WAPA-- Western Area Power Administration
- Las Animas County
- Public Service Co of Colorado, San Isabel Electric Assn, Inc, Southeast Colorado Power Assn, City of Trinidad - (CO), Southwestern Electric Coop Inc - (NM)
- Lincoln County
- Mountain View Elec Assn, Inc, Southeast Colorado Power Assn, K C Electric Association, WAPA-- Western Area Power Administration
- Logan County
- Public Service Co of Colorado, Morgan County Rural Elec Assn, Highline Electric Assn, High West Energy, Inc, Town of Fleming - (CO), WAPA-- Western Area Power Administration
- Mesa County
- Public Service Co of Colorado, Holy Cross Electric Assn, Inc, Grand Valley Power, San Miguel Power Assn, Inc, WAPA-- Western Area Power Administration
- Mineral County
- Public Service Co of Colorado, La Plata Electric Assn, Inc, San Luis Valley R E C, Inc
- Moffat County
- Public Service Co of Colorado, Yampa Valley Electric Assn Inc, White River Electric Assn, Inc, Moon Lake Electric Assn Inc, WAPA-- Western Area Power Administration
- Montezuma County
- Public Service Co of Colorado, Empire Electric Assn, Inc, WAPA-- Western Area Power Administration
- Montrose County
- Public Service Co of Colorado, Delta Montrose Electric Assn, San Miguel Power Assn, Inc, WAPA-- Western Area Power Administration
- Morgan County
- Public Service Co of Colorado, Morgan County Rural Elec Assn, Highline Electric Assn, City of Fort Morgan, WAPA-- Western Area Power Administration
- Otero County
- Public Service Co of Colorado, Black Hills Colorado Electric, LLC, San Isabel Electric Assn, Inc, Southeast Colorado Power Assn, City of La Junta - (CO)
- Ouray County
- Public Service Co of Colorado, Delta Montrose Electric Assn, San Miguel Power Assn, Inc, WAPA-- Western Area Power Administration
- Phillips County
- Highline Electric Assn, City of Holyoke - (CO), Town of Haxtun - (CO), WAPA-- Western Area Power Administration
- Pitkin County
- Public Service Co of Colorado, Holy Cross Electric Assn, Inc, City of Aspen- (CO), Holy Cross Electric Assn, Inc,holycrossenergy
- Prowers County
- Public Service Co of Colorado, Southeast Colorado Power Assn, City of Lamar - (CO), Town of Holly - (CO), Town of Granada - (CO), Wheatland Electric Coop, Inc
- Pueblo County
- Public Service Co of Colorado, Black Hills Colorado Electric, LLC, Mountain View Elec Assn, Inc, San Isabel Electric Assn, Inc, Southeast Colorado Power Assn, WAPA-- Western Area Power Administration, Black Hills Energy
- Rio Blanco County
- Public Service Co of Colorado, Yampa Valley Electric Assn Inc, White River Electric Assn, Inc, Moon Lake Electric Assn Inc, WAPA-- Western Area Power Administration, Deseret Generation & Tran Coop
- Routt County
- Public Service Co of Colorado, Yampa Valley Electric Assn Inc, Mountain Parks Electric, Inc, Town of Oak Creek - (CO), WAPA-- Western Area Power Administration
- Saguache County
- Public Service Co of Colorado, Sangre De Cristo Elec Assn Inc, San Luis Valley R E C, Inc, Gunnison County Elec Assn., City of Center - (CO), WAPA-- Western Area Power Administration
- San Miguel County
- Public Service Co of Colorado, Empire Electric Assn, Inc, San Miguel Power Assn, Inc, WAPA-- Western Area Power Administration
- Sedgwick County
- Highline Electric Assn, City of Julesburg - (CO), WAPA-- Western Area Power Administration, Wheat Belt Public Power Dist
- Summit County
- Public Service Co of Colorado, Mountain Parks Electric, Inc, WAPA-- Western Area Power Administration
- Teller County
- Public Service Co of Colorado, City of Colorado Springs - (CO), CORE Electric Cooperative, Black Hills Colorado Electric, LLC
- Washington County
- Public Service Co of Colorado, Mountain View Elec Assn, Inc, Morgan County Rural Elec Assn, Y-W Electric Assn Inc, Highline Electric Assn, WAPA-- Western Area Power Administration
Electric companies in Colorado: FAQ
- How many electric companies serve Colorado?
- 62 electric utilities serve Colorado, according to US EIA-861 service-territory filings and live outage feeds.
- What is the largest electric company in Colorado?
- Public Service Co of Colorado, with about 1,605,245 customers in Colorado (US EIA-861, 2025).
- Which electric company serves my address in Colorado?
- Your electric bill names it. Service territory is filed by county, so MassOutage lists the utilities serving each Colorado county; usually only one of them serves a given address, and a utility can tell you whether it serves yours.
- Who do I call to report a power outage in Colorado?
- Your electric utility. MassOutage has an outage phone line, report page or outage map on file for 1 of the 62 utilities serving Colorado, listed above; for the others, check your bill or the utility's website. For a downed power line, stay at least 35 feet away and call 911.
Live power outages in Colorado →
Data from EIA Form 861 (utility reliability), every source we read. Service territory and customer counts are each utility's own EIA-861 filing; a utility a live outage feed has reported in a county is listed there too.