News, Articles & Events

FOR IMMEDIATE RELEASE:

Billings, Mont. – July 2, 2025 – NorthWestern plans to release 500 cubic feet per second (cfs) for 5 hours from West Rosebud Lake Dam to provide downstream flows for whitewater recreation on Saturday, July 5.

Whitewater releases from West Rosebud Lake Dam will begin at 9 a.m. on Saturday. Peak flow (near 500 cfs) will reach the Emerald Lake Outlet between approximately 11:30 a.m. and 12:30 p.m. Saturday and will continue for approximately 2 ½ hours, gradually reducing to pre-enhanced base flow conditions thereafter.

Recent precipitation has helped fill Mystic Lake, making water available for the scheduled whitewater flow release.

Follow us on Facebook and LinkedIn and Instagram: @NorthWesternEnergy

NorthWestern Energy - Delivering a Bright Future

NorthWestern Energy, provides essential energy infrastructure and valuable services that enrich lives and empower communities while serving as long-term partners to our customers and communities. We work to deliver safe, reliable, and innovative energy solutions that create value for customers, communities, employees, and investors. We do this by providing low-cost and reliable service performed by highly-adaptable and skilled employees. We provide electricity and / or natural gas to approximately 787,000 customers in Montana, South Dakota, Nebraska, and Yellowstone National Park. Our operations in Montana and Yellowstone National Park are conducted through our subsidiary, NW Corp, and our operations in South Dakota and Nebraska are conducted through our subsidiary, NWE Public Service. We have provided service in South Dakota and Nebraska since 1923 and in Montana since 2002.

Media Contacts:

Brandy Powers

866-622-8081

Brandy.Powers@northwestern.com