MontanaRebate Program
NorthWestern Energy (Gas) - Commercial Energy Efficiency Rebate Program
You getModulating Gas Valve: $2/Kbtu boiler/furnace Boiler Stack Economizer: $2/Kbtu boiler Water Heater Insulation: $7.50/tank wrap Boiler Pipe/Hot Water Pipe Insulation: $0.75/linear foot Hot Water Temperature Setback: $0.15 gallon of water heater Faucet Aerator: $4/unit Attic Insulation: $0.40 per sq. ft. Basement Side Wall Insulation: $0.50 per sq. ft. Duct Sealing/Insulation: $1.50 sq. ft. Convection Oven: $40/unit High Efficiency Steam Cooker: $100/unit
Apply on official siteView on DSIRE
Quick facts
- Incentive type
- Rebate Program
- Amount
- Modulating Gas Valve: $2/Kbtu boiler/furnace Boiler Stack Economizer: $2/Kbtu boiler Water Heater Insulation: $7.50/tank wrap Boiler Pipe/Hot Water Pipe Insulation: $0.75/linear foot Hot Water Temperature Setback: $0.15 gallon of water heater Faucet Aerator: $4/unit Attic Insulation: $0.40 per sq. ft. Basement Side Wall Insulation: $0.50 per sq. ft. Duct Sealing/Insulation: $1.50 sq. ft. Convection Oven: $40/unit High Efficiency Steam Cooker: $100/unit
- Administrator
- NorthWestern Energy
- Funding source
- NorthWestern Energy Montana natural gas supply rates
- Applies to
- Utility, Commercial
- Technologies
- Equipment Insulation, Attic Insulation, Basement Insulation, Duct Insulation, Commercial Cooking Equipment
Dates
- Start date
- 2021-07-01
- Source last updated
- July 21, 2025
About this incentive
NorthWestern Energy offers multiple rebate programs for commercial and industrial customers to make energy efficient improvements to their businesses. Incentives are available for heating, insulation, water heating, appliances, and electronics. The E+ Commercial Natural Gas Savings Program offers incentives on a variety of equipment designed to improve energy efficiency. Prior to rebate payment, NorthWestern Energy representatives may inspect completed jobs. Rebates are available to commercial natural gas customers in existing commercial facilities. New construction does not qualify. The detailed E+ Commercial Natural Gas Savings Program Application can be found here .
Data updated . Always confirm details on the official program website before applying. Programs change frequently.