Growth Metrics

National Grid Plc (NGG) Debt Ratio (2009 - 2025)

National Grid's quarterly Debt Ratio came in at 0.4 in Q2 2025, down 1427.15% year-on-year from 0.03 in Q2 2024, and down 1427.15% quarter-over-quarter from 0.03 in Q4 2024.

National Grid has reported Debt Ratio for 17 years, with the latest figure at 0.4 in Q2 2025.

  • For the quarter ending Q2 2025, Debt Ratio fell 1427.15% year-over-year to 0.4; the trailing twelve-month figure through May 2025 stood at 0.11 (down 1467.74% YoY), and the FY2025 full-year result was 0.4, down 1427.15% from the prior year.
  • Debt Ratio for Q2 2025 stood at 0.4, down from 0.03 in the prior quarter.
  • The five-year high for Debt Ratio was 0.48 in Q1 2022, with the low at 0.45 in Q3 2023.
  • Average Debt Ratio over 5 years is 0.03, with a median of 0.16 recorded in 2024.
  • Year-over-year, Debt Ratio soared 107.01% in 2024 and tumbled 1427.15% in 2025.
  • Tracing NGG's Debt Ratio over 5 years: stood at 0.45 in 2021, then tumbled by 178.62% to 0.35 in 2022, then dropped by 22.85% to 0.43 in 2023, then jumped by 107.01% to 0.03 in 2024, then plunged by 1427.15% to 0.4 in 2025.
  • The last three Debt Ratio figures came in at 0.4 (Q2 2025), 0.03 (Q4 2024), and 0.42 (Q3 2024), per Business Quant data.

Historic Data

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DateValue
May 15, 2025 -0.40
Dec 31, 2024 0.03
Sep 30, 2024 -0.42
May 23, 2024 0.03
Mar 31, 2024 0.48
Dec 31, 2023 -0.43
Sep 30, 2023 -0.45
May 18, 2023 -0.43
Mar 31, 2023 0.46
Dec 31, 2022 -0.35
Sep 30, 2022 -0.39
Mar 31, 2022 0.48
Jun 14, 2021 0.45
Mar 31, 2021 0.46
Mar 31, 2020 0.46
Mar 31, 2019 0.45
Sep 30, 2018 -0.30
Mar 31, 2018 0.40
Sep 30, 2017 -0.39
May 18, 2017 -0.35
Mar 31, 2017 0.43
Dec 31, 2016 -0.42
Sep 30, 2016 -47.49
May 19, 2016 -0.42
Mar 31, 2016 -0.42
Dec 31, 2015 -0.42
Sep 30, 2015 -57.95
May 21, 2015 -0.42
Mar 31, 2015 -0.42
Dec 31, 2014 -0.43
Sep 30, 2014 -0.44
May 15, 2014 -0.43
Mar 31, 2014 -0.43
Dec 31, 2013 -0.45
Sep 30, 2013 -0.45
Mar 31, 2013 -0.45
Sep 30, 2012 -0.42
Mar 31, 2012 -0.43
Dec 31, 2011 -0.53
Sep 30, 2011 -0.44
Mar 31, 2011 -0.44
Sep 30, 2010 -0.46
Mar 31, 2010 -0.51
Sep 30, 2009 -0.55
Mar 31, 2009 -0.53