National Grid PLC (NG) — Net Asset Quality Index
National Grid PLC (NG) has a Net Asset Quality Index of 36.3% as of March 2026. This metric measures the proportion of total assets financed by shareholders' equity — total assets of GBX108.28 Billion minus total liabilities of GBX68.95 Billion yields net assets of GBX39.33 Billion. A higher index indicates a stronger, lower-leverage balance sheet. Read National Grid PLC debt and liabilities for a breakdown of total debt and financial obligations.
Quality Index
Net Assets
Total Assets
Total Liabilities
National Grid PLC Net Asset Quality Index Over Time (1993–2026)
This chart shows how National Grid PLC's Net Asset Quality Index has evolved across 34 annual periods from 1993 to 2026. As of March 2026, the index stands at 36.3%, representing net assets of GBX39.33 Billion against total assets of GBX108.28 Billion GBX. For live market cap and overall valuation, see NG market cap overview.
Annual Net Asset Quality Index for National Grid PLC (1993–2026)
The table below presents the year-by-year Net Asset Quality Index for National Grid PLC from 1993 to 2026, covering 34 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. Check National Grid PLC PP&E and investment ratio to assess the company's strategic physical and investment asset allocation.
| Year | Quality Index | Net Assets (GBX) | Total Assets | Total Liabilities | Change (pp) |
|---|---|---|---|---|---|
| 2026 | 36.3% | GBX39.33 Billion | GBX108.28 Billion | GBX68.95 Billion | ▲ +0.9 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 | — |