NiSource Operating Expenses 2010-2024 | NI
- NiSource annual operating expenses for 2024 were $4B, a 5% decline from 2023.
- NiSource annual operating expenses for 2023 were $4.21B, a 8.18% decline from 2022.
- NiSource annual operating expenses for 2022 were $4.585B, a 17.78% increase from 2021.