National Grid Plc (NMKBP) Interest & Investment Income (2009 - 2025)

National Grid's Interest & Investment Income history runs 14 years deep, the most recent figure standing at $584.8 million for Q2 2025.

• In Q2 2025, Interest & Investment Income rose 86.93% year-over-year to $584.8 million; the TTM figure through May 2025 stood at $584.8 million (up 86.93% YoY), while the FY2025 annual figure was $577.8 million, up 84.69% from the prior year.
• Interest & Investment Income was $584.8 million for Q2 2025 at National Grid, up from $318.3 million in the prior quarter.
• In the past five years, Interest & Investment Income ranged from a high of $584.8 million in Q2 2025 to a low of $43.6 million in Q3 2022.
• Historically, Interest & Investment Income has averaged $243.4 million across 4 years, with a median of $206.0 million in 2023.
• The sharpest annual moves came in 2023 and 2024: Interest & Investment Income surged 232.01% in 2023, then jumped 53.12% in 2024.
• A 4-year view of Interest & Investment Income shows it stood at $76.2 million in 2022, then soared by 170.24% to $206.0 million in 2023, then soared by 54.5% to $318.3 million in 2024, then soared by 83.73% to $584.8 million in 2025.
• The last three Interest & Investment Income figures came in at $584.8 million (Q2 2025), $318.3 million (Q4 2024), and $299.7 million (Q3 2024), per Business Quant data.