NorthWestern Energy Group, Inc.

What they do

NorthWestern operates two segments: electric utility operations (generation, purchase, transmission, and distribution of electricity) and natural gas utility operations (production, purchase, transmission, storage, and distribution of natural gas). Its customer base is a mix of residential, commercial, and diversified industrial customers, with no single customer dependency. Operations are conducted through subsidiaries NW Corp (Montana and Yellowstone) and NWE Public Service (South Dakota and Nebraska). The business is seasonal, with electricity demand peaking in summer and winter and natural gas revenues concentrated in the first and fourth quarters.

Revenue drivers

• Electric utility operations — Primary segment; revenue from generation, purchase, transmission, and distribution of electricity to residential, commercial, and industrial customers across Montana, South Dakota, and Nebraska.
• Natural gas utility operations — Revenue from production, purchase, transmission, storage, and distribution of natural gas, heavily dependent on heating-season weather in the first and fourth quarters.
• Retail volumes and new rates — Second quarter 2026 net income increase was primarily due to new rates and retail volumes, indicating rate adjustments and customer usage drive earnings.

Recent performance

For Q2 2026, NorthWestern reported diluted GAAP EPS of $0.40 (net income $25.0 million), up from $0.35 in Q2 2025; adjusted non-GAAP diluted EPS was $0.50 vs. $0.40. Revenue for the quarter ended June 30, 2026 was $392.6 million. Annual revenue grew from $1.51B in 2024 to $1.61B in 2025, but annual net income declined to $181.1M in 2025 from $224.1M in 2024. Operating cash flow for 2025 was $394.5M, down from $406.7M in 2024.

Strategy

Management focuses on infrastructure investment in a stronger and smarter grid, including automation in customer meters, distribution, and substations. The company plans to invest in supply resources that balance reliability, cost, capacity, and sustainability, and continuously improve operating efficiency to earn authorized returns. It maintains financial discipline to support a strong balance sheet and stable cash flows. Guidance includes a record $683 million capital plan for 2026 and a 4% to 6% long-term EPS and rate base growth rate.

Risks

• Pending merger completion risk — The merger with Black Hills requires Montana Public Service Commission approval; any delay or failure to obtain approvals could terminate the agreement.
• Regulatory disallowance risk — Adverse determinations by regulators, such as denial of interim rates or final rates not consistent with allowed returns, could hurt earnings.
• Wildfire and liability risk — Increasing fire risk may lead to significant claims or penalties, with potential damages in excess of liability insurance coverage.
• Weather and seasonality risk — Heavy dependence on weather patterns for natural gas heating and summer cooling can cause material swings in demand and financial performance.

Outlook

Management affirmed 2026 non-GAAP earnings guidance of $3.68 to $3.83 per diluted share, assuming normal weather, exclusion of merger costs, and an effective tax rate of 14% to 18%. The merger with Black Hills is anticipated to close by year-end 2026, with Nebraska, South Dakota, and FERC approvals received; Montana approval is pending. The company expects to pursue investment opportunities while adjusting the timing and scale of projects based on economic conditions.