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Montana-Dakota Utilities (Gas) - Residential Energy Efficiency Rebate Program

Savings Category 
Water Heaters
Programmable Thermostats
Maximum Rebate 

Programmable Thermostat: 1 per address

Program Info
Sector Name 
Montana-Dakota Utilities Co.
South Dakota
Program Type 
Rebate Program
Rebate Amount 

Furnace/Boiler: $300
Programmable Setback Thermostat: $20
Natural Gas Water Heater: $100
Home Energy Assessment: $50 cost to customer

Montana-Dakota Utilities (MDU) offers several residential rebates on energy efficient measures and natural gas equipment. New furnaces, water heaters and programmable thermostats are eligible for a rebate incentive if the equipment meets program efficiency standards. New furnaces must be replacing a working model with an AFUE of 80% or less and be rated at least 92% AFUE. Customers converting electric service to natural gas are also eligible for the furnace and water heater rebates if efficiency requirements are met. MDU issues rebate payments in the form of a check, not a utility bill credit. Application forms must be fully completed with equipment information such as invoice or receipt, brand, model number, serial number, installation date and dealer information. See program web site listed above to view application form or to see more program information. Only South Dakota residential MDU customers under service rates 60 or 66 are eligible for rebates.