Hydro One (HYNLY) Accumulated Depreciation & Amortization (2017 - 2025)

Hydro One (HYNLY) has 9 years of Accumulated Depreciation & Amortization data on file, last reported at $796.7 million in Q4 2025.

• In Q4 2025, Accumulated Depreciation & Amortization rose 4.4% year-over-year to $796.7 million; the TTM figure through Dec 2025 stood at $796.7 million (up 4.4% YoY), while the FY2025 annual figure was $796.7 million, up 4.4% from the prior year.
• Accumulated Depreciation & Amortization climbed to $796.7 million in Q4 2025, from $763.1 million in the prior quarter.
• Across five years, Accumulated Depreciation & Amortization topped out at $796.7 million in Q4 2025 and bottomed at $711.7 million in Q4 2022.
• A 5-year average of $746.9 million and a median of $731.6 million in 2023 frame the typical range for Accumulated Depreciation & Amortization.
• Annual changes were most pronounced in 2021 — Accumulated Depreciation & Amortization gained 7.87% — and 2022, when it fell 2.71%.
• Year by year, Accumulated Depreciation & Amortization stood at $731.5 million in 2021, then declined by 2.71% to $711.7 million in 2022, then gained by 2.8% to $731.6 million in 2023, then grew by 4.31% to $763.1 million in 2024, then rose by 4.4% to $796.7 million in 2025.
• The last three Accumulated Depreciation & Amortization figures came in at $796.7 million (Q4 2025), $763.1 million (Q4 2024), and $731.6 million (Q4 2023), per Business Quant data.

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