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Sun Prairie Utilities electric rates

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

Municipal utility serving 16,647 homes in Wisconsin.

Your rate

12.13¢per kWh, average residential rate 26% lower than the U.S. average (16.4¢)

$71average monthly bill$857 a year

588kWh used per month, average home

+10%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 588 kWh, the average for Sun Prairie Utilities homes.

kWh

$71 a month

$12 fixed charge + 10.1¢ × 588 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 Sun Prairie Utilities right now. We check regulator dockets weekly; last check October 7, 2026. Know of one?

Rate history

Sun Prairie Utilities's average rate is up 10% 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 Sun Prairie Utilities yet. Check Wisconsin programs or read what's left after the federal credits ended.

About Sun Prairie Utilities

Ownership: Municipal
Homes served: 16,647 residential customers (2024)
Grid operator: MISO
Retail choice: No — one bundled rate
Data: EIA-861 2024, released October 7, 2026; rate cases checked October 7, 2026

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