National Grid Transco Inventory 2010-2024 | NGG
- National Grid Transco inventory for 2025 was $0.711B, a 31.72% decline from 2024.
- National Grid Transco inventory for 2024 was $1.041B, a 1.43% decline from 2023.
- National Grid Transco inventory for 2023 was $1.056B, a 51.28% increase from 2022.