San Isabel Electric Association electricity rates
Electric cooperative · Colorado · WECC region
San Isabel Electric Association is a member-owned electric cooperative, so its customers own it and elect its board, serving 23,415 homes in Colorado. Its residential customers pay an average of 19.72¢/kWh including fixed and delivery charges, 10% more than the U.S. average.
Rate basis: EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend.
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San Isabel Electric Association bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $98.60 | $95.00 |
| 1,000 kWh | $197.20 | $164.00 |
| 1,500 kWh | $295.80 | $224.00 |
| 2,000 kWh | $394.40 | $284.00 |
*Residential (effective 2014-01-01, $20.00/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.
San Isabel Electric Association residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residential | 2014-01-01 | $20.00 | 15.00¢ first 800 kWh, 12.00¢ after |
| Residential - TOUtime-of-use | 2009-01-01 | $8.00 | 5.7¢ (12am–7am, 9pm–12am) · 14.0¢ (7am–9pm) — summer weekdays |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
San Isabel Electric Association rate history
2015–2025: +13% change in the average residential rate (16.61¢ → 18.86¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | San Isabel Electric Association | Colorado avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 87 | 269 | 266 |
| Outages per customer (SAIFI) | 0.79 | 1.26 | 1.34 |
| Average restoration time (CAIDI) | 110 min | — | — |
| Outage minutes excluding major storms | 87 | 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 San Isabel Electric Association's counties, customers averaged 2 hr 8 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Costilla | 504 | 22 | 1,099 | 2025-06-20 |
| Custer | 454 | 7 | 1,767 | 2025-08-26 |
| Pueblo | 121 | 33 | 11,006 | 2025-04-18 |
| Fremont | 96 | 24 | 5,380 | 2025-10-28 |
| Otero | 24 | 5 | 255 | 2025-11-16 |
| Huerfano | 0 | 0 | 0 | 2025-02-25 |
| Las Animas | 0 | 0 | 0 | 2025-01-03 |
San Isabel Electric Association service area
San Isabel Electric Association serves 7 counties in Colorado and 41 ZIP codes.
Costilla, Custer, Fremont, Huerfano, Las Animas, Otero, Pueblo
Cities: Pueblo, Pueblo West, Cañon City, Trinidad, Florence, Rocky Ford, Walsenburg, Coal Creek, Center, Colorado City, Fowler
Programs, smart meters & solar
| Smart meters (AMI) for homes | 0% |
| Customers with daily usage data online | 23,399 |
| Time-based rate programs | Time-of-use rates |
| Homes on time-based rates | 1,203 |
| Net-metered solar homes | 1,419 |
San Isabel Electric Association at a glance
| Ownership | Electric cooperative |
| Services | Distribution |
| Commercial rate | 17.15¢/kWh |
| Industrial rate | 7.72¢/kWh |
| Retail revenue (2025) | $58,920,000 |
| Electricity sold (2025) | 419,043 MWh |
| Peak demand | 82 MW summer · 78 MW winter |
| Line losses | 5.0% |
| Balancing authority | WACM |
| EIA utility ID | 16616 |
Other utilities in Colorado
Frequently asked questions
What is San Isabel Electric Association's electricity rate?
San Isabel Electric Association residential customers pay an average of 19.72¢ per kWh, all charges included (EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend). That's 19% above the Colorado average of 16.58¢ and 10% above the U.S. average.
What is the average San Isabel Electric Association electric bill?
About $124 a month. The average San Isabel Electric Association home uses 628 kWh a month. At 1,000 kWh the bill would be about $197.
How many customers does San Isabel Electric Association have?
San Isabel Electric Association serves 23,415 residential customers and 26,166 customers in total in Colorado, across 7 counties.
How reliable is San Isabel Electric Association?
In 2025, the average San Isabel Electric Association customer was without power for 87 min (SAIDI) over 0.79 interruptions (SAIFI), including major storms. Excluding major event days it was 87 min. The Colorado average was 4 hr 29 min and the U.S. average 4 hr 26 min.
Does San Isabel Electric Association offer time-of-use rates?
Yes. The OpenEI rate database lists 1 time-of-use residential plan, including Residential - TOU. Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does San Isabel Electric Association offer net metering for solar?
San Isabel Electric Association had 1,419 residential net-metered customers in 2025 with 9.3 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 San Isabel Electric Association before making decisions.