Incorporate natural gas and energy efficiency in your new home or business If you're planning to build, contact us to see if natural gas is available. Natural gas is the fuel of choice for heating, water heating, and cooking in Montana. We have resources to help you and your builder take full advantage of Montana's Energy Code with natural gas construction techniques and testing to deliver savings every month and comfort year-round. Contact Us Unlock Efficiency Plus online savings with energy NorthWesternEnergy.com/EPlus Kalispell Construction Center email CCKalispell@northwestern.com efficiency. call 1-83-4-BUILD and when prompted, press 4 then 2. NorthWestern B Efficiency Energy Plus Incorporate natural gas and energy efficiency in your new home or business If you're planning to build, contact us to see if natural gas is available. Natural gas is the fuel of choice for heating, water heating, and cooking in Montana. We have resources to help you and your builder take full advantage of Montana's Energy Code with natural gas construction techniques and testing to deliver savings every month and comfort year-round. Contact Us Unlock Efficiency Plus online savings with energy NorthWesternEnergy.com/EPlus Kalispell Construction Center email CCKalispell@northwestern.com efficiency. call 1-83-4-BUILD and when prompted, press 4 then 2. NorthWestern B Efficiency Energy Plus