Solar Panels in Des Moines, IA: 2026 Cost, MidAmerican Energy Net Metering & Savings

Des Moines and the bill

MidAmerican Energy serves Des Moines. Alliant serves other Iowa cities. The net-metering rider is MidAmerican's. Des Moines is the clearest MidAmerican market. The resource is decent for the Midwest and the rate is modest, so the bid has to be lean. Winter should appear in the production model. Hail and wind mean an old roof should be replaced first. Suburban Ankeny and West Des Moines roofs are often simpler than older in-town houses. The 2025 EIA residential average for Iowa was 13.62 cents per kWh. That statewide figure is what our calculator uses. It is not the MidAmerican Energy tariff. A rounded solar resource for this metro is about 4.4 peak sun hours a day.

Export credits and any SREC or REC

MidAmerican Energy serves Des Moines. MidAmerican and Alliant publish their own interconnection and billing rules, and they are not interchangeable with Ames Electric Services. This page does not quote an Iowa export credit or a state SREC price. Winter cloud and snow are the production issues, on a rounded resource near 4.3 peak sun hours statewide. A proposal should name the tariff and show what happens to the savings chart if exports are paid below the retail rate.

Roofs, climate, permits, and HOAs

Ranches, split-levels, and newer two-stories. South planes on hip roofs can be smaller than people expect. Electrical panels in 1960s houses sometimes need work. A Des Moines permit comes from the local building department, not from MidAmerican Energy. An HOA can add its own review. This page does not quote a IA permit fee or an approval, because both depend on the address. Name MidAmerican's current rider. Show winter. Compare cash prices before a loan payment.

Estimated cost range

Estimated cost range for Des Moines, labeled as an estimate and not a local quote: Berkeley Lab's August 2026 update put 2025 host-owned residential systems at about $3.60 per watt before incentives, about $3.00 per watt in the cash subset, and about $4.50 per watt in the loan subset. The median size in that set was 7.7 kW. Des Moines is about 4.4 peak sun hours a day, against about 4.3 statewide. The federal residential credit under 26 U.S.C. § 25D ended for systems placed in service after December 31, 2025. The IRS treats that expenditure as made when the original installation is completed.

• Cash

  $3.00/W

  $23,100

  Subset classified as cash

• Middle published case

  $3.60/W

  $27,720

  All host-owned systems

• Loan

  $4.50/W

  $34,650

  Financed subset, before interest

Before incentives. A loan price here excludes interest. The federal residential credit under section 25D ended for systems placed in service after December 31, 2025. Berkeley Lab, U.S. Distributed Solar and Storage, August 2026 data update.