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NorthWestern Energy (NWE) Tax Rate (2022 - 2025)

NorthWestern Energy's Tax Rate history spans 4 years, with the latest figure at 87.87% for Q4 2025.

  • For Q4 2025, Tax Rate fell 5295.0% year-over-year to 87.87%; the TTM value through Dec 2025 reached 3.45%, up 785.0%, while the annual FY2025 figure was 3.45%, 785.0% up from the prior year.
  • Tax Rate reached 87.87% in Q4 2025 per NWE's latest filing, down from 18.69% 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.
  • Average Tax Rate over 4 years is 2.85%, with a median of 7.78% recorded in 2023.
  • The largest YoY upside for Tax Rate was 2595bps in 2025 against a maximum downside of -5295bps in 2025.
  • A 4-year view of Tax Rate shows it 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.
  • Per Business Quant, the three most recent readings for NWE's Tax Rate are 87.87% (Q4 2025), 18.69% (Q3 2025), and 13.74% (Q2 2025).