No state program (South Dakota declined its federal allocation). Southeastern Electric Cooperative offers a $600 air-source heat pump rebate; Otter Tail Power offers electric heating rebates.
Utility programs in South Dakota
These are the named utility and ratepayer rebates on file for South Dakota. You claim the one that serves your address, not the total. Each card carries the program’s own terms: what equipment qualifies, who is eligible, what the cap actually is, and whether it stacks.
Southeastern Electric Cooperative
southeasternelectric.coop
$600
maximum
You claim it after installFlat amount
$600 air-source heat pump rebate (research doc).
Equipment that qualifies
Air-source heat pump; confirm SEER2/HSPF2 tier.
Who qualifies, and the cap
Southeastern Electric Cooperative members. About $600; confirm current amount.
Stacking
Confirm additional cooperative measure rebates.
Otter Tail Power
otpco.com
Varies
by measure
You claim it after installVaries by measure
Electric heating rebates.
Equipment that qualifies
Confirm SEER2/HSPF2 tier with the program.
Who qualifies, and the cap
Otter Tail Power (South Dakota) electric-heating rebates; no current HP figure published here. Confirm before quoting.
Stacking
Confirm with program.
What your system should be sized for
A heat pump in South Dakota should carry the house on the coldest design day, not the average one. These are the winter design temperatures our engine sizes against, in AHRI heating region V (7,700 heating degree days at the Sioux Falls reference metro).
City
Design temp
Climate zone
Basis
Sioux Falls
-11°F
6A
estimated
Rapid City
-8°F
5B
estimated
Aberdeen
-16°F
6A
estimated
Rebate amounts are estimates and subject to change. Verify current program terms and eligibility before quoting a final net price.
Eligibility varies by income, equipment efficiency, utility territory, and program funding availability.
Federal 25C/25D tax credits expired 12/31/2025. Federal DOE HEAR/HOMES administration ended 5/29/2026. State-run HEAR pathways that still print a dollar on an official page are listed with that URL and fetch date.
After-install rebates are claimed by the homeowner after installation and are not guaranteed at the point of sale.