Side by side (AZ, EIA-861)
| Metric | Salt River Project | Trico Electric Cooperative Inc |
|---|---|---|
| 2024 average price, ¢/kWh | 13.46 | 14.17 |
| 2023 average price, ¢/kWh | 12.47 | 14.22 |
| Annual cost at 10,800 kWh, $/yr | $1,453 | $1,530 |
| Residential customers (2024) | 1,053,407 | 52,450 |
| Ownership | Public district | Co-op |
| Counties served in AZ | 3 | 3 |
Average price = residential revenue ÷ sales (bundled service): the all-in price customers actually paid, including supply, delivery and riders. Profiles: Salt River Project · Trico Electric Cooperative Inc · Arizona overview.
Where the territories meet
Both utilities file EIA-861 service territory in: Pinal county (AZ, 2024).
Adjoining or overlapping territory in a county does not mean households there can pick between the two — service maps are parcel-level and fixed. The county overlap mainly matters when choosing where to live or comparing town-level costs.
Can you actually choose between them?
No — not for delivery. Distribution territories are exclusive and set by address; Salt River Project and Trico Electric Cooperative Inc do not compete for the same meters. Arizona is a regulated retail market — there is no residential supplier shopping; rates are set in utility-commission proceedings (azcc.gov). The price gap above mainly matters when choosing where to live, comparing towns, or benchmarking your bill.
Questions people ask
- Is Salt River Project cheaper than Trico Electric Cooperative Inc?
- Yes — in 2024 Salt River Project customers averaged 13.46 cents/kWh versus 14.17 for Trico Electric Cooperative Inc (EIA-861). Salt River Project was cheaper by 0.71 cents, about $77 per year at 10,800 kWh.
- Can I switch from Trico Electric Cooperative Inc to Salt River Project?
- No — distribution territories are exclusive and set by address; you cannot pick between the two wires companies. Arizona has no residential supplier shopping either; rates are set in utility-commission proceedings.
- Why is Trico Electric Cooperative Inc more expensive than Salt River Project?
- EIA-861 averages reflect everything customers actually paid — supply costs, delivery rates, riders, and surcharges across each territory. Differences in generation mix, grid investment, storm costs, and customer density between Trico Electric Cooperative and Salt River Project territory all feed the 0.71-cent gap.