Nisource (NI) Accumulated Depreciation & Amortization (2009 - 2025)

Nisource has reported Accumulated Depreciation & Amortization for 17 years, with the latest figure at $1.2 billion in Q4 2025.

• For the quarter ending Q4 2025, Accumulated Depreciation & Amortization rose 11.92% year-over-year to $1.2 billion; the trailing twelve-month figure through Dec 2025 stood at $1.2 billion (up 11.92% YoY), and the FY2025 full-year result was $1.2 billion, up 11.92% from the prior year.
• Accumulated Depreciation & Amortization for Q4 2025 stood at $1.2 billion, up from $1.0 billion in the prior quarter.
• The five-year high for Accumulated Depreciation & Amortization was $1.2 billion in Q4 2025, with the low at $748.4 million in Q4 2021.
• Historically, Accumulated Depreciation & Amortization has averaged $937.6 million across 5 years, with a median of $908.2 million in 2023.
• Annual changes were most pronounced in 2021 — Accumulated Depreciation & Amortization increased 3.1% — and 2024, when it gained 14.86%.
• Nisource's Accumulated Depreciation & Amortization stood at $748.4 million in 2021, then grew by 9.67% to $820.8 million in 2022, then increased by 10.65% to $908.2 million in 2023, then grew by 14.86% to $1.0 billion in 2024, then increased by 11.92% to $1.2 billion in 2025.
• The last three Accumulated Depreciation & Amortization figures came in at $1.2 billion (Q4 2025), $1.0 billion (Q4 2024), and $908.2 million (Q4 2023), per Business Quant data.