Southeastern Electric - Energy Efficiency Rebate Program

SD Rebate Program commercial residential

Administered by: Southeastern Electric Cooperative

Quick Summary

Southeastern Electric offers rebates on Marathon water heaters for residential properties (50–105 gallons, with member costs ranging from $650–$1,265 plus tax after rebates), commercial heat pump installations ($50 per ton), and commercial lighting upgrades (up to $1,000 per location). To claim a rebate, you must provide an invoice showing the equipment is installed and operating, register your water heater's serial number with the manufacturer for warranty coverage, and contact the cooperative's Member Service Department at 1-800-333-2859 for specific limits and application details.

AI-generated summary • Updated 7/12/2026

Program Details

Program ID
5138
Last Updated
6/23/2025

Eligibility

Eligible Sectors
commercial residential
Eligible Technologies
water heaters lighting heat pumps

Program Summary

Southeastern Electric Cooperative is a member-owned electric cooperative that serves customers in the southeastern part of South Dakota. Southeastern provides an assortment of incentives to encourage customers to purchase energy-efficient appliances and equipment. An invoice showing that equipment has been installed and is operating must be provided before rebates can be claimed. Visit the programs website listed above for detailed program guidelines or contact Southeastern directly.

Contact & Resources

Please verify current program details with the administering agency before making any financial decisions.

← Back to Search