Sulphur Springs Valley E C electricity rates
Electric cooperative · Arizona · WECC region
Sulphur Springs Valley E C is a member-owned electric cooperative, so its customers own it and elect its board, serving 46,398 homes in Arizona. Its residential customers pay an average of 14.69¢/kWh including fixed and delivery charges, 18% less 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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Sulphur Springs Valley E C bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $73.45 | $73.27 |
| 1,000 kWh | $146.90 | $136.29 |
| 1,500 kWh | $220.35 | $199.31 |
| 2,000 kWh | $293.80 | $262.33 |
*Residential Service (effective 2014-01-01, $10.25/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.
Sulphur Springs Valley E C residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residential Service | 2014-01-01 | $10.25 | 12.60¢ |
| Residential Service TOUtime-of-use | 2014-01-01 | $16.50 | 10.2¢ (12am–1pm, 7pm–12am) · 16.9¢ (1pm–7pm) — summer weekdays |
| Residential Prepaid Service | 2014-01-01 | — | 1.26¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Sulphur Springs Valley E C rate history
2015–2025: +10% change in the average residential rate (13.23¢ → 14.61¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | Sulphur Springs Valley E C | Arizona avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 92 | 70 | 266 |
| Outages per customer (SAIFI) | 0.83 | 0.89 | 1.34 |
| Average restoration time (CAIDI) | 111 min | — | — |
| Outage minutes excluding major storms | 83 | 63 | 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 Sulphur Springs Valley E C's counties, customers averaged 57 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Santa Cruz | 1,686 | 43 | 2,487 | 2025-06-02 |
| Pima | 57 | 34 | 18,508 | 2025-11-12 |
| Cochise | 36 | 28 | 8,138 | 2025-07-23 |
| Graham | 0 | 0 | 6 | 2025-04-25 |
Sulphur Springs Valley E C service area
Sulphur Springs Valley E C serves 4 counties in Arizona and 39 ZIP codes.
Cochise, Graham, Pima, Santa Cruz
Cities: Tucson, Sierra Vista, Tanque Verde, Douglas, Sierra Vista Southeast, Vail, Safford, Corona de Tucson, Bisbee, Thatcher, Benson, Willcox, Swift Trail Junction, Whetstone, Sells, Huachuca City, Saint David, Cactus Flat, Tombstone
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Time-based rate programs | Time-of-use rates |
| Homes on time-based rates | 7 |
| Net-metered solar homes | 1,174 |
| Residential efficiency incentives paid (2025) | $38,200 |
| Residential energy saved by programs | 363 MWh |
Sulphur Springs Valley E C at a glance
| Ownership | Electric cooperative |
| Services | Generation, Distribution |
| Commercial rate | 12.09¢/kWh |
| Industrial rate | 12.41¢/kWh |
| Retail revenue (2025) | $124,904,400 |
| Electricity sold (2025) | 949,141 MWh |
| Peak demand | 238 MW summer · 117 MW winter |
| Power from own generation | 11% (rest purchased) |
| Line losses | 4.3% |
| Balancing authority | WALC |
| EIA utility ID | 18280 |
| Website | azcc.gov |
Other utilities in Arizona
Frequently asked questions
What is Sulphur Springs Valley E C's electricity rate?
Sulphur Springs Valley E C residential customers pay an average of 14.69¢ 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 5% below the Arizona average of 15.40¢ and 18% below the U.S. average.
What is the average Sulphur Springs Valley E C electric bill?
About $108 a month. The average Sulphur Springs Valley E C home uses 733 kWh a month. At 1,000 kWh the bill would be about $147.
How many customers does Sulphur Springs Valley E C have?
Sulphur Springs Valley E C serves 46,398 residential customers and 54,786 customers in total in Arizona, across 4 counties.
How reliable is Sulphur Springs Valley E C?
In 2025, the average Sulphur Springs Valley E C customer was without power for 92 min (SAIDI) over 0.83 interruptions (SAIFI), including major storms. Excluding major event days it was 83 min. The Arizona average was 70 min and the U.S. average 4 hr 26 min.
Does Sulphur Springs Valley E C 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.
Does Sulphur Springs Valley E C offer net metering for solar?
Sulphur Springs Valley E C had 1,174 residential net-metered customers in 2025 with 8.6 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 Sulphur Springs Valley E C before making decisions.