Sierra Electric Co-op electricity rates
Electric cooperative · New Mexico
Sierra Electric Co-op is a member-owned electric cooperative, so its customers own it and elect its board, serving 4,469 homes in New Mexico. Its residential customers pay an average of 18.18¢/kWh including fixed and delivery charges, 1% 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. This utility files EIA's short form, which reports total sales only, so the rate covers all customer classes.
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Sierra Electric Co-op bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $90.90 | $62.10 |
| 1,000 kWh | $181.80 | $109.20 |
| 1,500 kWh | $272.70 | $156.30 |
| 2,000 kWh | $363.60 | $203.40 |
*Residential Service (effective 2009-08-01, $15.00/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.
Sierra Electric Co-op residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residential Service | 2009-08-01 | $15.00 | 9.42¢ |
| Residential Service-TOUtime-of-use | 2009-08-01 | $17.50 | 7.6¢ (12am–5pm, 11pm–12am) · 13.8¢ (5pm–11pm) — summer weekdays |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Sierra Electric Co-op rate history
2015–2025: +1% change in the average residential rate (17.63¢ → 17.89¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2019 | Sierra Electric Co-op | New Mexico avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 167 | 173 | 266 |
| Outages per customer (SAIFI) | 1.27 | 1.34 | |
| Outage minutes excluding major storms | 52 | 143 | 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 Sierra Electric Co-op's counties, customers averaged 113 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Catron | 1,115 | 11 | 2,830 | 2025-07-17 |
| Luna | 39 | 11 | 1,443 | 2025-06-03 |
| Socorro | 12 | 3 | 88 | 2025-07-28 |
| Sierra | 9 | 1 | 76 | 2025-05-18 |
Sierra Electric Co-op service area
Sierra Electric Co-op serves 4 counties in New Mexico and 12 ZIP codes.
Catron, Luna, Sierra, Socorro
Cities: Socorro, Columbus, Elephant Butte
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Time-based rate programs | None reported |
| Homes on time-based rates | 201 |
| Net-metered solar homes | 0 reported |
Sierra Electric Co-op at a glance
| Ownership | Electric cooperative |
| Services | — |
| Retail revenue (2025) | $8,541,000 |
| Electricity sold (2025) | 47,736 MWh |
| Balancing authority | PNM |
| EIA utility ID | 23326 |
| Website | sierraelectric.org |
Other utilities in New Mexico
Frequently asked questions
What is Sierra Electric Co-op's electricity rate?
Sierra Electric Co-op residential customers pay an average of 18.18¢ 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 New Mexico average of 15.32¢ and 1% above the U.S. average.
What is the average Sierra Electric Co-op electric bill?
About $162 a month. The average Sierra Electric Co-op home uses 890 kWh a month. At 1,000 kWh the bill would be about $182.
How many customers does Sierra Electric Co-op have?
Sierra Electric Co-op serves 4,469 residential customers in New Mexico, across 4 counties.
How reliable is Sierra Electric Co-op?
In 2019, the average Sierra Electric Co-op customer was without power for 2 hr 47 min (SAIDI) over undefined interruptions (SAIFI), including major storms. Excluding major event days it was 52 min. The New Mexico average was 2 hr 53 min and the U.S. average 4 hr 26 min.
Does Sierra Electric Co-op offer time-of-use rates?
Yes. The OpenEI rate database lists 1 time-of-use residential plan, including Residential Service-TOU. Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
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 Sierra Electric Co-op before making decisions.