Wisconsin Power and Light (Alliant Energy) Rates and Bills

Wisconsin Power and Light (Alliant Energy) reported 440,746 residential customers on bundled service in 2025, using 694 kWh a month on average at 18.47 cents per kWh. Bundled means the utility supplies the energy and delivers it, so the price covers both. Among the 22 Wisconsin utilities with at least 10,000 bundled residential customers, Alliant Energy ranks 19 from the lowest price.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), sales to ultimate customers. Price is revenue divided by sales and includes fixed charges.

EIA lists the counties where Alliant Energy has distribution equipment. That covers 35 counties in Wisconsin. A county can be served by more than one utility, so confirm your address with the utility or your bill.

Not sure who serves your address? Use find my electric company.

For 2025, Alliant Energy reported an average of 75 minutes without power per customer and 0.74 interruptions per customer, with major event days left out. The typical interruption lasted about 102 minutes. For comparison, the median state averaged 127 minutes of outage per customer.

Alliant Energy had about 52 fewer minutes of outage per customer than the median state. The Wisconsin figure across its utilities was 87 minutes. One interruption lasting 102 minutes and 0.74 interruptions a year per customer add up to the 75 minute total.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), reliability schedule, measured under other standard. Utilities define events slightly differently, so compare with care.

• Time-of-use pricing. Alliant Energy reports a residential time-of-use pricing program in its 2025 EIA filing, with about 5,123 residential customers enrolled in dynamic pricing programs of all kinds. Ask the utility which rate schedules you qualify for. How time-of-use rates work.
• Rooftop solar and net metering. EIA shows 5,447 residential net-metered systems on the Alliant Energy grid in 2025, with 38.5 megawatts of capacity. How net metering works.

A private company owned by shareholders. A state commission reviews its costs and sets or approves its rates in formal rate cases. In Wisconsin, that review is done by the Public Service Commission of Wisconsin.

Alliant Energy is an investor-owned utility based in Wisconsin.

Alliant Energy operates in the MISO power market. Power markets set wholesale costs, but your retail rate is set by the rules described above.

Wisconsin has 65 utilities with residential customers in the 2025 EIA data. Alliant Energy is 2nd by size and serves about 15.4% of the state's homes. At $128.22 a month, an average Alliant Energy home pays about $91 a year more than the Wisconsin average of $120.60, and uses 27 kWh a month more. Alliant Energy lists distribution equipment in 35 counties, so check your county and your bill before you assume it serves you. 5,447 of its residential customers use net metering, or 12.4 per 1,000 homes, against 8.4 for Wisconsin as a whole.

Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data). Peers are other utilities of the same type in Wisconsin with at least 1,000 residential customers and a reported price.

See every one on the electric companies in Wisconsin page.

Kilowatt Atlas is not Alliant Energy and does not take payments, start service or manage accounts. To pay a bill, report an outage or start service, use the website, app or phone number printed on your bill. Be careful with search ads and lookalike sites that offer to pay your bill for a fee.

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