NorthWestern Energy offers incentives to Residential customers in South Dakota through their Efficiency Plus (E+) program. Incentives are offered for installing energy efficient equipment in eligible homes, and are available for NorthWestern Energy existing residential gas heating customers. Rebate categories include high efficiency heating equipment and insulation
All installments must meet certain energy efficiency standards to qualify. Receipts must be turned in with the program application in order to qualify for the rebate. Other rebates for new construction are available. Visit the program web site for more information and specific equipment requirements.