Trico Electric Cooperative electricity rates
Electric cooperative · Arizona · WECC region · ERCOT
Trico Electric Cooperative is a member-owned electric cooperative, so its customers own it and elect its board, serving 53,721 homes in Arizona. Its residential customers pay an average of 15.02¢/kWh including fixed and delivery charges, 17% less than the U.S. average.
Rate basis: EIA-861M monthly utility data, 12 months ending 2026-07.
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Trico Electric Cooperative bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $75.10 | $80.40 |
| 1,000 kWh | $150.20 | $142.81 |
| 1,500 kWh | $225.30 | $208.22 |
| 2,000 kWh | $300.40 | $273.62 |
*Residential Service RS1 (effective 2023-02-01, $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.
Trico Electric Cooperative residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residential Service RS1 | 2023-02-01 | $20.00 | 12.08¢ first 800 kWh, 13.08¢ after |
| Residential Service TOU RS2TOUtime-of-use | 2009-10-01 | $19.00 | 7.3¢ (12am–1pm, 10pm–12am) · 19.3¢ (1pm–10pm) — summer weekdays |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Trico Electric Cooperative rate history
2015–2025: +9% change in the average residential rate (13.04¢ → 14.26¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | Trico Electric Cooperative | Arizona avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 90 | 70 | 266 |
| Outages per customer (SAIFI) | 0.73 | 0.89 | 1.34 |
| Average restoration time (CAIDI) | 2 hr 3 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 Trico Electric Cooperative's counties, customers averaged 84 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 |
| Pinal | 206 | 86 | 8,576 | 2025-08-26 |
| Pima | 57 | 34 | 18,508 | 2025-11-12 |
Trico Electric Cooperative service area
Trico Electric Cooperative serves 3 counties in Arizona and 40 ZIP codes.
Pima, Pinal, Santa Cruz
Cities: Tucson, San Tan Valley, Catalina Foothills, Oro Valley, Marana, Apache Junction, Drexel Heights, Sahuarita, Green Valley, Rio Rico, Eloy, Tanque Verde, Flowing Wells, Saddlebrooke, Tucson Estates, Vail, Gold Camp, Picture Rocks, Valencia West, Avra Valley, Corona de Tucson, Three Points, Benson, Tortolita, Oracle, San Manuel, Sells, East Sahuarita, Tubac, Arivaca Junction
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Customers with daily usage data online | 53,721 |
| Time-based rate programs | Time-of-use rates |
| Homes on time-based rates | 1,976 |
| Net-metered solar homes | 5,993 |
| Homes in demand response (e.g. thermostat rebates) | 23 |
| Residential efficiency incentives paid (2025) | $41,912 |
| Residential energy saved by programs | 230 MWh |
Trico Electric Cooperative at a glance
| Ownership | Electric cooperative |
| Services | Generation, Distribution |
| Commercial rate | 13.02¢/kWh |
| Industrial rate | 10.58¢/kWh |
| Retail revenue (2025) | $121,026,400 |
| Electricity sold (2025) | 882,277 MWh |
| Peak demand | 277 MW summer · 129 MW winter |
| Power from own generation | 0% (rest purchased) |
| Line losses | 3.9% |
| Balancing authority | WALC |
| EIA utility ID | 19189 |
| Website | images.edocket.azcc.gov/docketpdf/0000168580.pdf |
Other utilities in Arizona
Frequently asked questions
What is Trico Electric Cooperative's electricity rate?
Trico Electric Cooperative residential customers pay an average of 15.02¢ per kWh, all charges included (EIA-861M monthly utility data, 12 months ending 2026-07). That's 2% below the Arizona average of 15.40¢ and 17% below the U.S. average.
What is the average Trico Electric Cooperative electric bill?
About $138 a month. The average Trico Electric Cooperative home uses 922 kWh a month. At 1,000 kWh the bill would be about $150.
How many customers does Trico Electric Cooperative have?
Trico Electric Cooperative serves 53,721 residential customers and 56,123 customers in total in Arizona, across 3 counties.
How reliable is Trico Electric Cooperative?
In 2025, the average Trico Electric Cooperative customer was without power for 90 min (SAIDI) over 0.73 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.
Does Trico Electric Cooperative offer time-of-use rates?
Yes. The OpenEI rate database lists 1 time-of-use residential plan, including Residential Service TOU RS2TOU. Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does Trico Electric Cooperative offer net metering for solar?
Trico Electric Cooperative had 5,993 residential net-metered customers in 2025 with 47.6 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 Trico Electric Cooperative before making decisions.