National Grid Transco Income Taxes 2010-2025 | NGG
- National Grid Transco annual income taxes for 2025 were $1.047B, a 0.27% increase from 2024.
- National Grid Transco annual income taxes for 2024 were $1.045B, a 1.07% decline from 2023.
- National Grid Transco annual income taxes for 2023 were $1.056B, a 38.55% decline from 2022.