NorthWestern Energy (NWE) Tax Rate (2022 - 2026)

NorthWestern Energy has reported Tax Rate for 5 years, with the latest figure at 17.86% in Q1 2026.

• For the quarter ending Q1 2026, Tax Rate rose 136.0% year-over-year to 17.86%; the trailing twelve-month figure through Mar 2026 stood at 2.93% (up 491.0% YoY), and the FY2025 full-year result was 3.45%, up 785.0% from the prior year.
• Tax Rate for Q1 2026 stood at 17.86%, up from 87.87% in the prior quarter.
• The five-year high for Tax Rate was 18.69% in Q3 2025, with the low at 87.87% in Q4 2025.
• Historically, Tax Rate has averaged 1.47% across 5 years, with a median of 10.09% in 2023.
• The largest YoY upside for Tax Rate was 2595 bps in 2025 against a maximum downside of 5295 bps in 2025.
• NorthWestern Energy's Tax Rate stood at 4.55% in 2022, then plunged by 88 bps to 8.55% in 2023, then tumbled by 309 bps to 34.92% in 2024, then tumbled by 152 bps to 87.87% in 2025, then jumped by 120 bps to 17.86% in 2026.
• The last three Tax Rate figures came in at 17.86% (Q1 2026), 87.87% (Q4 2025), and 18.69% (Q3 2025), per Business Quant data.