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USBIA-San Carlos Project electric rates

Updated October 7, 2026 · Source: EIA Form 861 (2024)

Federal utility serving 11,432 homes in Arizona.

Your rate

19.49¢per kWh, average residential rate 19% higher than the U.S. average (16.4¢)

$180average monthly bill$2,155 a year

922kWh used per month, average home

+50%rate change since 2020U.S. average: +28%

Estimate your bill

Electricity you use each month (kWh)

It's on your bill, usually near the top. Starting at 922 kWh, the average for USBIA-San Carlos Project homes.

kWh

$180 a month

$12 fixed charge + 18.2¢ × 922 kWh

This is an estimate. Uses the EIA average rate with a nominal $12 fixed charge; real tariffs have tiers, time-of-use pricing and riders. Your bill also includes taxes and fuel adjustments that change month to month.

Rate cases

No rate case on file for USBIA-San Carlos Project right now. We check regulator dockets weekly; last check October 7, 2026. Know of one?

Rate history

USBIA-San Carlos Project's average rate is up 50% since 2020, versus +28% for the U.S. average.

Average residential revenue per kWh, EIA-861. Includes delivery and, where the utility sells it, supply.

Rebates for heat pumps, batteries and EV chargers

We haven't found utility-level rebates for USBIA-San Carlos Project yet. Check Arizona programs or read what's left after the federal credits ended.

About USBIA-San Carlos Project

Ownership: Federal
Homes served: 11,432 residential customers (2024)
Grid operator: WALC
Retail choice: No — one bundled rate
Data: EIA-861 2024, released October 7, 2026; rate cases checked October 7, 2026

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