Duncan Valley Electric Co-op electricity rates
Electric cooperative · Arizona
Duncan Valley Electric Co-op is a member-owned electric cooperative, so its customers own it and elect its board, serving 2,335 homes in Arizona. Its residential customers pay an average of 13.18¢/kWh including fixed and delivery charges, 27% 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. This utility files EIA's short form, which reports total sales only, so the rate covers all customer classes.
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Duncan Valley Electric Co-op bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $65.90 | $57.60 |
| 1,000 kWh | $131.80 | $95.20 |
| 1,500 kWh | $197.70 | $132.80 |
| 2,000 kWh | $263.60 | $170.40 |
*Schedule SP - Single Phase 15 kVA or less (effective 2005-01-01, $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.
Duncan Valley Electric Co-op residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Schedule SP - Single Phase 15 kVA or less | 2005-01-01 | $20.00 | 7.52¢ |
| Three Phase (15 kva or less) | 2004-12-01 | $40.00 | 6.56¢ |
| Single Phase ( Greater than 15 KVA) | 2004-12-01 | $30.00 | 5.65¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Duncan Valley Electric Co-op rate history
2015–2025: -1% change in the average residential rate (13.22¢ → 13.12¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2019 | Duncan Valley Electric Co-op | Arizona avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 354 | 70 | 266 |
| Outages per customer (SAIFI) | 2.42 | 0.89 | 1.34 |
| Average restoration time (CAIDI) | 2 hr 26 min | — | — |
| Outage minutes excluding major storms | 66 | 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 Duncan Valley Electric Co-op's counties, customers averaged 2 hr 49 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Greenlee | 651 | 15 | 802 | 2025-04-01 |
| Graham | 0 | 0 | 6 | 2025-04-25 |
Duncan Valley Electric Co-op service area
Duncan Valley Electric Co-op serves 2 counties in Arizona and 6 ZIP codes.
Graham, Greenlee
Cities: Safford, Thatcher, Swift Trail Junction, Cactus Flat
Programs, smart meters & solar
| Smart meters (AMI) for homes | 0% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 0 reported |
Duncan Valley Electric Co-op at a glance
| Ownership | Electric cooperative |
| Services | — |
| Retail revenue (2025) | $3,577,400 |
| Electricity sold (2025) | 27,277 MWh |
| Balancing authority | WALC |
| EIA utility ID | 5438 |
Other utilities in Arizona
Frequently asked questions
What is Duncan Valley Electric Co-op's electricity rate?
Duncan Valley Electric Co-op residential customers pay an average of 13.18¢ 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 14% below the Arizona average of 15.40¢ and 27% below the U.S. average.
What is the average Duncan Valley Electric Co-op electric bill?
About $128 a month. The average Duncan Valley Electric Co-op home uses 973 kWh a month. At 1,000 kWh the bill would be about $132.
How many customers does Duncan Valley Electric Co-op have?
Duncan Valley Electric Co-op serves 2,335 residential customers in Arizona, across 2 counties.
How reliable is Duncan Valley Electric Co-op?
In 2019, the average Duncan Valley Electric Co-op customer was without power for 5 hr 54 min (SAIDI) over 2.42 interruptions (SAIFI), including major storms. Excluding major event days it was 66 min. The Arizona average was 70 min and the U.S. average 4 hr 26 min.
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 Duncan Valley Electric Co-op before making decisions.