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

NorthWestern Energy filings provide 5 years of Tax Rate readings, the most recent being 17.86% for Q1 2026.

  • On a quarterly basis, Tax Rate rose 136.0% to 17.86% in Q1 2026 year-over-year; TTM through Mar 2026 was 2.93%, a 491.0% increase, with the full-year FY2025 number at 3.45%, up 785.0% from a year prior.
  • Tax Rate hit 17.86% in Q1 2026 for NorthWestern Energy, up from 87.87% in the prior quarter.
  • In the past five years, Tax Rate ranged from a high of 18.69% in Q3 2025 to a low of 87.87% in Q4 2025.
  • Median Tax Rate over the past 5 years was 10.09% (2023), compared with a mean of 1.47%.
  • The widest YoY moves for Tax Rate: up 2595bps in 2025, down -5295bps in 2025.
  • NorthWestern Energy's Tax Rate stood at 4.55% in 2022, then crashed by -88bps to 8.55% in 2023, then tumbled by -309bps to 34.92% in 2024, then plummeted by -152bps to 87.87% in 2025, then soared by 120bps to 17.86% in 2026.
  • The last three reported values for Tax Rate were 17.86% (Q1 2026), 87.87% (Q4 2025), and 18.69% (Q3 2025) per Business Quant data.