Cities / Illinois / Rebates

MidAmerican Energy Illinois Instant Discounts: Open

Enrollment for 2026 is open. Open. Rebates and incentives are issued on a first-come, first-served basis.

Serves: MidAmerican Energy Company's Illinois service territory.

Do I Qualify

  • MidAmerican must deliver the primary electricity or natural gas used by the equipment.
  • Purchase, install and operate equipment during January 1–December 31, 2026.
  • Buy through a participating Instant Discounts provider. Other rebate programs cannot be combined.

How Much Comes Off

MidAmerican Energy Illinois Instant Discounts — program page · rebate chart
EquipmentRequirementAmount
Natural gas furnace≤225,000 Btuh input; ≥95% AFUE.$2 per 1,000 Btuh input rating/unit
Central air conditioner<65,000 Btuh; ≥15.2 to <17 SEER2; ≥9.0 EER2.$263 per unit
Central air conditioner<65,000 Btuh; ≥17 SEER2; ≥9.0 EER2.$413 per unit
Large central air conditioner65,000–<135,000 Btuh: ≥16 IEER/≥11 EER; 135,000–<240,000: ≥15.5 IEER/≥10.8 EER; 240,000–<760,000: ≥14.5 IEER/≥9.8 EER.$150 per ton
Air-source heat pump<65,000 Btuh; ≥15.2 to <17 SEER2; ≥8.0 EER2; ≥8.0 HSPF2.$300 per unit
Air-source heat pump<65,000 Btuh; ≥17 SEER2; ≥8.0 EER2; ≥8.0 HSPF2.$563 per unit
Cold climate air-source heat pump<65,000 Btuh; ≥15.2 to <17 SEER2; ≥8.0 EER2; ≥8.1 HSPF2.$563 per unit
Cold climate air-source heat pump<65,000 Btuh; ≥17 SEER2; ≥8.0 EER2; ≥8.1 HSPF2.$713 per unit
Ductless split heat pump<65,000 Btuh; >17.0 SEER2; ≥8.0 EER2; ≥10.0 HSPF2.$375 per unit
Cold climate ductless split heat pump<65,000 Btuh; >17.0 SEER2; ≥8.0 EER2; ≥10.0 HSPF2.$525 per unit
Geothermal heat pumpElectric only; GLHP tested values ≥17 EERFL and ≥3.2 COPFL.$900 per unit
Geothermal heat pumpElectric only; GLHP tested values ≥20 EERFL and ≥4.0 COPFL.$1,200 per unit
DesuperheaterGeothermal heat pump add-on.$113 per unit

Valid from January 1, 2026 to December 31, 2026.

Who Files It

Participating sellers handle the discount. The homeowner has no rebate paperwork.

The money is paid to the distributor.

The Steps to Apply

  1. Ask a participating HVAC provider to confirm equipment eligibility.
  2. Have the instant discount deducted from the purchase price.

Read on October 22, 2026 from the MidAmerican Energy Illinois page. The chart was printed January 2026. A change to this program is a dated line in the changelog.