National Grid Transco Operating Expenses 2010-2025 | NGG
- National Grid Transco annual operating expenses for 2025 were $17.152B, a 11.25% decline from 2024.
- National Grid Transco annual operating expenses for 2024 were $19.326B, a 4.44% decline from 2023.
- National Grid Transco annual operating expenses for 2023 were $20.225B, a 5.19% increase from 2022.