Public Service Co of Colorado electricity rates
Investor-owned utility · Colorado · WECC region
Public Service Co of Colorado is a for-profit, investor-owned utility regulated by the state utility commission, serving 1,379,910 homes in Colorado. Its residential customers pay an average of 16.72¢/kWh including fixed and delivery charges, 7% less than the U.S. average.
Rate basis: EIA-861M monthly utility data, 12 months ending 2026-07.
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Public Service Co of Colorado bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $83.60 | $46.85 |
| 1,000 kWh | $167.20 | $77.87 |
| 1,500 kWh | $250.80 | $108.89 |
| 2,000 kWh | $334.40 | $139.91 |
*Residential Demand Service (Schedule RD) (effective 2026-01-01, $15.83/month customer charge), energy and fixed charges from the OpenEI Utility Rate Database. Riders, fuel adjustments and taxes are often billed separately, so real bills usually land closer to the all-in column. Calculate your bill.
Public Service Co of Colorado residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residential Demand Service (Schedule RD) | 2026-01-01 | $15.83 | 6.20¢ |
| Residential Service (Schedule R)time-of-use | 2026-01-01 | $8.19 | 17.3¢ (12am–12am) — summer weekdays |
| Residential Energy Time Of Use (Schedule RE-TOU)time-of-use | 2026-01-01 | $8.19 | 38.1¢ (5pm–9pm) · 13.9¢ (12am–5pm, 9pm–12am) — summer weekdays |
| Residential General Service Opt-Out (Schedule R-OO)time-of-use | 2026-01-01 | $8.19 | 18.3¢ (12am–12am) — summer weekdays |
| Residential Demand - Time Differentiated Rates (Schedule RD-TDR) | 2024-01-01 | $5.60 | 5.03¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Public Service Co of Colorado rate history
2015–2025: +37% change in the average residential rate (11.60¢ → 15.90¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | Public Service Co of Colorado | Colorado avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 360 | 269 | 266 |
| Outages per customer (SAIFI) | 1.58 | 1.26 | 1.34 |
| Average restoration time (CAIDI) | 3 hr 48 min | — | — |
| Outage minutes excluding major storms | 149 | 118 | 121 |
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across Public Service Co of Colorado's counties, customers averaged 4 hr 33 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Clear Creek | 6,303 | 78 | 6,422 | 2025-12-19 |
| Park | 4,313 | 51 | 12,534 | 2025-12-18 |
| Conejos | 1,989 | 36 | 4,492 | 2025-03-18 |
| Lake | 1,272 | 31 | 4,466 | 2025-10-21 |
| Archuleta | 1,036 | 28 | 11,772 | 2025-08-05 |
| Boulder | 1,014 | 76 | 60,021 | 2025-12-18 |
| Summit | 893 | 82 | 6,654 | 2025-01-21 |
| Jefferson | 815 | 91 | 51,319 | 2025-12-19 |
| Gilpin | 546 | 27 | 5,515 | 2025-09-29 |
| Costilla | 504 | 22 | 1,099 | 2025-06-20 |
| Custer | 454 | 7 | 1,767 | 2025-08-26 |
| Weld | 331 | 100 | 11,457 | 2025-03-24 |
| Elbert | 330 | 43 | 3,265 | 2025-03-19 |
| Teller | 296 | 36 | 2,130 | 2025-06-17 |
| Chaffee | 287 | 54 | 4,939 | 2025-06-18 |
| Saguache | 284 | 11 | 732 | 2025-04-25 |
| Alamosa | 263 | 36 | 7,022 | 2025-04-18 |
| Routt | 245 | 42 | 2,907 | 2025-06-10 |
| Moffat | 243 | 38 | 7,079 | 2025-05-21 |
| Rio Grande | 235 | 43 | 3,344 | 2025-09-30 |
| Garfield | 225 | 53 | 3,832 | 2025-06-22 |
| Delta | 180 | 46 | 1,400 | 2025-04-17 |
| Logan | 174 | 27 | 3,406 | 2025-01-31 |
| Crowley | 172 | 7 | 1,051 | 2025-02-08 |
| Mesa | 158 | 66 | 5,872 | 2025-09-13 |
Public Service Co of Colorado service area
Public Service Co of Colorado serves 56 counties in Colorado and 365 ZIP codes.
Adams, Alamosa, Arapahoe, Archuleta, Baca, Bent, Boulder, Chaffee, Clear Creek, Conejos, Costilla, Crowley, Custer, Delta, Denver, Dolores, Douglas, Eagle, El Paso, Elbert, Fremont, Garfield, Gilpin, Grand, Gunnison, Hinsdale, Huerfano, Jefferson, Kiowa, La Plata, Lake, Larimer, Las Animas, Logan, Mesa, Mineral, Moffat, Montezuma, Montrose, Morgan, Otero, Ouray, Park, Pitkin, Prowers, Pueblo, Rio Blanco, Rio Grande, Routt, Saguache, San Miguel, Summit, Teller, Washington, Weld, Yuma
Cities: Denver, Colorado Springs, Aurora, Fort Collins, Lakewood, Thornton, Westminster, Arvada, Centennial, Pueblo, Greeley, Boulder, Highlands Ranch, Longmont, Loveland, Broomfield, Grand Junction, Castle Rock, Commerce City, Parker, Littleton, Northglenn, Brighton, Dakota Ridge, Englewood, Windsor, Ken Caryl, Wheat Ridge, Lafayette, Columbine, Erie, Evans, Louisville, Golden, Clifton, Sherrelwood, Durango, Cañon City, Greenwood Village, Johnstown
Programs, smart meters & solar
| Smart meters (AMI) for homes | 99% |
| Time-based rate programs | Time-of-use rates |
| Homes on time-based rates | 1,375,000 |
| Net-metered solar homes | 121,127 |
| Homes in demand response (e.g. thermostat rebates) | 801,453 |
| Residential efficiency incentives paid (2025) | $49,969,492 |
| Residential energy saved by programs | 71,261 MWh |
Public Service Co of Colorado at a glance
| Ownership | Investor-owned utility |
| Services | Generation, Transmission, Distribution, Wholesale Marketing, Bundled |
| Commercial rate | 13.06¢/kWh |
| Industrial rate | 8.49¢/kWh |
| Retail revenue (2025) | $3,594,998,900 |
| Electricity sold (2025) | 28,263,197 MWh |
| Peak demand | 6,760 MW summer · 5,535 MW winter |
| Power from own generation | 59% (rest purchased) |
| Line losses | 2.5% |
| Balancing authority | PSCO |
| EIA utility ID | 15466 |
| Website | www.xcelenergy.com/staticfiles/xe-responsive/Company/Rates%20&%20Regulations/Regulatory%20Filings/CO-DSM/20A-0287EG%202021%20DSM%20Status%20Report%20Final.pdf |
Other utilities in Colorado
Frequently asked questions
What is Public Service Co of Colorado's electricity rate?
Public Service Co of Colorado residential customers pay an average of 16.72¢ per kWh, all charges included (EIA-861M monthly utility data, 12 months ending 2026-07). That's 1% above the Colorado average of 16.58¢ and 7% below the U.S. average.
What is the average Public Service Co of Colorado electric bill?
About $98 a month. The average Public Service Co of Colorado home uses 584 kWh a month. At 1,000 kWh the bill would be about $167.
How many customers does Public Service Co of Colorado have?
Public Service Co of Colorado serves 1,379,910 residential customers and 1,605,246 customers in total in Colorado, across 56 counties.
How reliable is Public Service Co of Colorado?
In 2025, the average Public Service Co of Colorado customer was without power for 6 hr 0 min (SAIDI) over 1.58 interruptions (SAIFI), including major storms. Excluding major event days it was 2 hr 29 min. The Colorado average was 4 hr 29 min and the U.S. average 4 hr 26 min.
Does Public Service Co of Colorado offer time-of-use rates?
Yes. The OpenEI rate database lists 3 time-of-use residential plans, including Residential Service (Schedule R). Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does Public Service Co of Colorado offer net metering for solar?
Public Service Co of Colorado had 121,127 residential net-metered customers in 2025 with 720.3 MW of capacity. Estimate solar savings at this utility's rate.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with Public Service Co of Colorado before making decisions.