NorthWestern Energy (NWE) Accumulated Depreciation & Amortization (2021 - 2025)

NorthWestern Energy has reported Accumulated Depreciation & Amortization for 5 years, with the latest figure at $249.5 million in Q4 2025.

• For the quarter ending Q4 2025, Accumulated Depreciation & Amortization rose 9.62% year-over-year to $249.5 million; the trailing twelve-month figure through Dec 2025 stood at $249.5 million (up 9.62% YoY), and the FY2025 full-year result was $249.5 million, up 9.62% from the prior year.
• Accumulated Depreciation & Amortization for Q4 2025 stood at $249.5 million, up from $227.6 million in the prior quarter.
• The five-year high for Accumulated Depreciation & Amortization was $249.5 million in Q4 2025, with the low at $187.5 million in Q4 2021.
• Historically, Accumulated Depreciation & Amortization has averaged $214.0 million across 5 years, with a median of $210.5 million in 2023.
• Annual changes were most pronounced in 2022 — Accumulated Depreciation & Amortization rose 4.03% — and 2025, when it climbed 9.62%.
• NorthWestern Energy's Accumulated Depreciation & Amortization stood at $187.5 million in 2021, then increased by 4.03% to $195.0 million in 2022, then gained by 7.92% to $210.5 million in 2023, then gained by 8.15% to $227.6 million in 2024, then rose by 9.62% to $249.5 million in 2025.
• The last three Accumulated Depreciation & Amortization figures came in at $249.5 million (Q4 2025), $227.6 million (Q4 2024), and $210.5 million (Q4 2023), per Business Quant data.