National Grid PLC ADR (NGG) — Net Asset Quality Index
National Grid PLC ADR (NGG) 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 $103.76 Billion minus total liabilities of $66.54 Billion yields net assets of $37.22 Billion. A higher index indicates a stronger, lower-leverage balance sheet. See NGG days of operational coverage to measure how many days the company can operate on defensive assets alone.
Quality Index
Net Assets
Total Assets
Total Liabilities
National Grid PLC ADR Net Asset Quality Index Over Time (1993–2025)
This chart shows how National Grid PLC ADR'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 $37.22 Billion against total assets of $103.76 Billion USD. Explore National Grid PLC ADR operating cash flow efficiency to assess how effectively this company generates cash.
Annual Net Asset Quality Index for National Grid PLC ADR (1993–2025)
The table below presents the year-by-year Net Asset Quality Index for National Grid PLC ADR 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 NGG market cap.
| Year | Quality Index | Net Assets (USD) | Total Assets | Total Liabilities | Change (pp) |
|---|---|---|---|---|---|
| 2025 | 35.4% | $37.83 Billion | $106.74 Billion | $68.92 Billion | ▲ +5.0 pp |
| 2024 | 30.4% | $29.89 Billion | $98.33 Billion | $68.43 Billion | ▼ -1.5 pp |
| 2023 | 31.9% | $29.56 Billion | $92.70 Billion | $63.13 Billion | ▲ +6.7 pp |
| 2022 | 25.1% | $23.86 Billion | $94.86 Billion | $71.00 Billion | ▼ -4.4 pp |
| 2021 | 29.5% | $19.86 Billion | $67.22 Billion | $47.36 Billion | ▲ +0.2 pp |
| 2020 | 29.3% | $19.79 Billion | $67.56 Billion | $47.77 Billion | ▼ -1.6 pp |
| 2019 | 30.9% | $19.57 Billion | $63.41 Billion | $43.84 Billion | ▼ -1.2 pp |
| 2018 | 32.1% | $18.85 Billion | $58.79 Billion | $39.94 Billion | ▲ +1.1 pp |
| 2017 | 31.0% | $20.38 Billion | $65.84 Billion | $45.46 Billion | ▲ +7.9 pp |
| 2016 | 23.0% | $13.56 Billion | $58.93 Billion | $45.37 Billion | ▲ +1.3 pp |
| 2015 | 21.7% | $11.97 Billion | $55.09 Billion | $43.12 Billion | ▼ -1.0 pp |
| 2014 | 22.8% | $11.92 Billion | $52.38 Billion | $40.47 Billion | ▲ +4.0 pp |
| 2013 | 18.7% | $10.23 Billion | $54.70 Billion | $44.47 Billion | ▼ -0.8 pp |
| 2012 | 19.5% | $9.25 Billion | $47.34 Billion | $38.09 Billion | ▼ 0.0 pp |
| 2011 | 19.5% | $9.07 Billion | $46.40 Billion | $37.33 Billion | ▲ +9.9 pp |
| 2010 | 9.7% | $4.21 Billion | $43.55 Billion | $39.34 Billion | ▲ +0.7 pp |
| 2009 | 9.0% | $3.98 Billion | $44.47 Billion | $40.48 Billion | ▼ -5.3 pp |
| 2008 | 14.2% | $5.37 Billion | $37.77 Billion | $32.40 Billion | ▼ -0.3 pp |
| 2007 | 14.6% | $4.14 Billion | $28.39 Billion | $24.25 Billion | ▲ +1.1 pp |
| 2006 | 13.5% | $3.49 Billion | $25.92 Billion | $22.43 Billion | ▲ +5.8 pp |
| 2005 | 7.7% | $2.12 Billion | $27.56 Billion | $25.44 Billion | ▲ +2.3 pp |
| 2004 | 5.4% | $1.27 Billion | $23.40 Billion | $22.13 Billion | ▲ +0.5 pp |
| 2003 | 5.0% | $1.24 Billion | $24.94 Billion | $23.71 Billion | ▼ -14.0 pp |
| 2002 | 18.9% | $3.29 Billion | $17.42 Billion | $14.12 Billion | ▼ -16.3 pp |
| 2001 | 35.2% | $3.52 Billion | $9.98 Billion | $6.46 Billion | ▲ +1.7 pp |
| 2000 | 33.6% | $2.94 Billion | $8.77 Billion | $5.82 Billion | ▼ -4.7 pp |
| 1999 | 38.3% | $1.95 Billion | $5.09 Billion | $3.14 Billion | ▲ +11.2 pp |
| 1998 | 27.2% | $929.40 Million | $3.42 Billion | $2.49 Billion | ▼ -14.3 pp |
| 1997 | 41.5% | $1.39 Billion | $3.35 Billion | $1.96 Billion | ▲ +7.0 pp |
| 1996 | 34.5% | $1.10 Billion | $3.19 Billion | $2.09 Billion | ▼ -27.3 pp |
| 1995 | 61.8% | $1.97 Billion | $3.19 Billion | $1.22 Billion | ▲ +10.6 pp |
| 1994 | 51.3% | $1.70 Billion | $3.31 Billion | $1.61 Billion | ▲ +5.5 pp |
| 1993 | 45.8% | $1.40 Billion | $3.07 Billion | $1.67 Billion | — |