National Grid PLC (NG) — Net Asset Quality Index
National Grid PLC (NG) has a Net Asset Quality Index of 35.9% as of September 2025. This metric measures the proportion of total assets financed by shareholders' equity — total assets of GBX103.76 Billion minus total liabilities of GBX66.54 Billion yields net assets of GBX37.22 Billion. A higher index indicates a stronger, lower-leverage balance sheet. Check NG financial resilience to evaluate the company's liquid asset resilience ratio.
Quality Index
Net Assets
Total Assets
Total Liabilities
National Grid PLC Net Asset Quality Index Over Time (1993–2025)
This chart shows how National Grid PLC's Net Asset Quality Index has evolved across 33 annual periods from 1993 to 2025. As of September 2025, the index stands at 35.9%, representing net assets of GBX37.22 Billion against total assets of GBX103.76 Billion GBX. See NG working capital efficiency to evaluate short-term liquidity relative to the company's equity base.
Annual Net Asset Quality Index for National Grid PLC (1993–2025)
The table below presents the year-by-year Net Asset Quality Index for National Grid PLC from 1993 to 2025, covering 33 annual filings. Each row shows total assets, total liabilities, net assets, the quality index percentage, and the change in percentage points compared to the prior year. For market capitalisation and the full company profile, see National Grid PLC stock valuation.
| Year | Quality Index | Net Assets (GBX) | Total Assets | Total Liabilities | Change (pp) |
|---|---|---|---|---|---|
| 2025 | 35.4% | GBX37.83 Billion | GBX106.74 Billion | GBX68.92 Billion | ▲ +5.0 pp |
| 2024 | 30.4% | GBX29.89 Billion | GBX98.33 Billion | GBX68.43 Billion | ▼ -1.5 pp |
| 2023 | 31.9% | GBX29.56 Billion | GBX92.70 Billion | GBX63.13 Billion | ▲ +6.7 pp |
| 2022 | 25.1% | GBX23.86 Billion | GBX94.86 Billion | GBX71.00 Billion | ▼ -4.4 pp |
| 2021 | 29.5% | GBX19.86 Billion | GBX67.22 Billion | GBX47.36 Billion | ▲ +0.4 pp |
| 2020 | 29.2% | GBX19.58 Billion | GBX67.09 Billion | GBX47.51 Billion | ▼ -1.6 pp |
| 2019 | 30.8% | GBX19.37 Billion | GBX62.96 Billion | GBX43.59 Billion | ▼ -1.3 pp |
| 2018 | 32.1% | GBX18.85 Billion | GBX58.79 Billion | GBX39.94 Billion | ▲ +1.1 pp |
| 2017 | 31.0% | GBX20.38 Billion | GBX65.84 Billion | GBX45.46 Billion | ▲ +7.9 pp |
| 2016 | 23.0% | GBX13.56 Billion | GBX58.93 Billion | GBX45.37 Billion | ▲ +1.3 pp |
| 2015 | 21.7% | GBX11.97 Billion | GBX55.09 Billion | GBX43.12 Billion | ▼ -1.0 pp |
| 2014 | 22.8% | GBX11.92 Billion | GBX52.38 Billion | GBX40.47 Billion | ▲ +4.0 pp |
| 2013 | 18.7% | GBX10.23 Billion | GBX54.70 Billion | GBX44.47 Billion | ▼ -0.8 pp |
| 2012 | 19.5% | GBX9.25 Billion | GBX47.34 Billion | GBX38.09 Billion | ▼ 0.0 pp |
| 2011 | 19.5% | GBX9.07 Billion | GBX46.40 Billion | GBX37.33 Billion | ▲ +9.9 pp |
| 2010 | 9.7% | GBX4.21 Billion | GBX43.55 Billion | GBX39.34 Billion | ▲ +0.7 pp |
| 2009 | 9.0% | GBX3.98 Billion | GBX44.47 Billion | GBX40.48 Billion | ▼ -5.3 pp |
| 2008 | 14.2% | GBX5.37 Billion | GBX37.77 Billion | GBX32.40 Billion | ▼ -0.3 pp |
| 2007 | 14.6% | GBX4.14 Billion | GBX28.39 Billion | GBX24.25 Billion | ▲ +1.1 pp |
| 2006 | 13.5% | GBX3.49 Billion | GBX25.92 Billion | GBX22.43 Billion | ▲ +5.8 pp |
| 2005 | 7.7% | GBX2.12 Billion | GBX27.56 Billion | GBX25.44 Billion | ▲ +2.3 pp |
| 2004 | 5.4% | GBX1.27 Billion | GBX23.40 Billion | GBX22.13 Billion | ▲ +0.5 pp |
| 2003 | 5.0% | GBX1.24 Billion | GBX24.94 Billion | GBX23.71 Billion | ▼ -14.0 pp |
| 2002 | 18.9% | GBX3.29 Billion | GBX17.42 Billion | GBX14.12 Billion | ▼ -16.3 pp |
| 2001 | 35.2% | GBX3.52 Billion | GBX9.98 Billion | GBX6.46 Billion | ▲ +1.7 pp |
| 2000 | 33.6% | GBX2.94 Billion | GBX8.77 Billion | GBX5.82 Billion | ▼ -4.7 pp |
| 1999 | 38.3% | GBX1.95 Billion | GBX5.09 Billion | GBX3.14 Billion | ▲ +11.2 pp |
| 1998 | 27.2% | GBX929.40 Million | GBX3.42 Billion | GBX2.49 Billion | ▼ -14.3 pp |
| 1997 | 41.5% | GBX1.39 Billion | GBX3.35 Billion | GBX1.96 Billion | ▲ +7.0 pp |
| 1996 | 34.5% | GBX1.10 Billion | GBX3.19 Billion | GBX2.09 Billion | ▼ -27.3 pp |
| 1995 | 61.8% | GBX1.97 Billion | GBX3.19 Billion | GBX1.22 Billion | ▲ +10.6 pp |
| 1994 | 51.3% | GBX1.70 Billion | GBX3.31 Billion | GBX1.61 Billion | ▲ +5.5 pp |
| 1993 | 45.8% | GBX1.40 Billion | GBX3.07 Billion | GBX1.67 Billion | — |