Energy Efficiency Rebates

NorthWestern Energy (Gas) - Commercial Energy Efficiency Rebate Program

NorthWestern Corporation commercial energy efficiency rebate program

program summary

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.

eligible technologies
Equipment Insulation, Commercial Cooking Equipment, Attic Insulation, Basement Insulation, Duct Insulation, Electric Cooking Appliance
website
https://www.northwesternenergy.com/account-services/for-business/energy-efficiency-for-business/rebates-incentives/commercial-natural-gas-rebates
program administrator
NorthWestern Energy
funding source
NorthWestern Energy Montana natural gas supply rates
program timeline
Program end date: June 30 Annually
list of rebates
Equipment Insulation - Minimum rebate of $0.75
Attic Insulation - Flat rebate of $0.4 per square foot
Basement Insulation - Flat rebate of $0.5 per square foot
Duct Insulation - Flat rebate of $1.5 per square foot
Commercial Cooking Equipment - Minimum rebate of $40 per Unit
program notes
October 20, 2015
Annual review. See program website for current incentive levels. 
July 1, 2016
Incentives have changed effective July 1, 2016. See program website for more details.
October 11, 2016
Incentive amounts changed on July 1. See website for complete details.
July 26, 2023
Annual review, updated incentive amounts and added new incentives for various equipment.
July 21, 2025
Annual review, all program details have been updated.
What cities does NorthWestern Corporation cover?
The following cities are in the NorthWestern Corporation service area. However, this program may not be available in every city. Check the program website for details.
Absarokee, Acton, Alberton, Alder, Anaconda, Arlee, Augusta, Avery, Avon, Ballantine, Basin, Belfry, Belgrade, Belt, Big Arm, Big Sandy, Big Sky, Big Timber, Bigfork, Bighorn, Billings, Black Eagle, Bonner, Boulder, Box Elder, Bozeman, Brady, Bridger, Broadview, Busby, Butte, Cameron, Canyon Creek, Cardwell, Cascade, Charlo, Chester, Chinook, Choteau, Circle, Clancy, Clinton, Clyde Park, Cody, Coffee Creek, Colstrip, Columbus, Condon, Conrad, Cooke City, Corvallis, Crow Agency, Cut Bank, Darby, Dayton, De Borgia, Deer Lodge, Denton, Dillon, Divide, Dixon, Dodson, Drummond, Dutton, East Helena, Edgar, Elk City, Elliston, Elmo, Emigrant, Ennis, Essex, Fairfield, Fishtail, Florence, Floweree, Forsyth, Fort Benton, Fort Peck, Fort Shaw, Frazer, Frenchtown, Fromberg, Gallatin Gateway, Gardiner, Garrison, Geraldine, Geyser, Gildford, Glasgow, Gold Creek, Great Falls, Greycliff, Hall, Hamilton, Hardin, Harlem, Harlowton, Haugan, Havre, Heart Butte, Helena, Helmville, Heron, Highwood, Hilger, Hingham, Hinsdale, Hobson, Hot Springs, Huntley, Huson, Hysham, Ingomar, Island Park, Jefferson City, Joliet, Joplin, Jordan, Judith Gap, Kalispell, Kila, Kremlin, Lakeside, Laurel, Lavina, Lewistown, Libby, Lincoln, Livingston, Lolo, Loma, Lonepine, Malmstrom A F B, Malta, Manhattan, Marion, Martin City, Martinsdale, Marysville, Mc Leod, Melstone, Missoula, Moccasin, Molt, Monarch, Moore, Moran, Mullan, Murray, Musselshell, Nashua, Neihart, Norris, Noxon, Ovando, Paradise, Park City, Philipsburg, Plains, Polson, Power, Pray, Proctor, Pryor, Ramsay, Rapelje, Ravalli, Red Lodge, Reed Point, Ringling, Roberts, Rollins, Ronan, Roundup, Ryegate, Saco, Saint Ignatius, Saint Regis, Saltese, Sand Coulee, Seeley Lake, Shawmut, Shepherd, Sheridan, Silver Gate, Silver Star, Simms, Stanford, Stevensville, Stockett, Sula, Sun River, Superior, Thompson Falls, Three Forks, Toston, Townsend, Trout Creek, Troy, Twin Bridges, Two Dot, Valier, Vandalia, Vaughn, Victor, Virginia City, Wallace, Weippe, West Yellowstone, White Sulphur Springs, Whitehall, Wilsall, Wise River, Wolf Creek, Wolf Point, Zurich