National Grid PLC ADR (NGG) — Cash Flow Quality Index
National Grid PLC ADR (NGG) has a Cash Flow Quality Index of 4.57x as of September 2025. Operating cash flow of $2.82 Billion exceeds net income of $615.54 Million, indicating high earnings quality where cash backs reported profits. Explore National Grid PLC ADR (NGG) long-term investment share to see how much of total assets are deployed in long-term investments.
Cash Flow Quality Index
Operating Cash Flow
Net Income
Data as of
National Grid PLC ADR Cash Flow Quality Index (1993–2025)
Historical Cash Flow Quality Index for National Grid PLC ADR across 33 annual periods. Values consistently above 1.0x indicate high-quality earnings. Check National Grid PLC ADR tangible net worth ratio to evaluate the tangible quality of the company's equity base.
Annual Cash Flow Quality Index for National Grid PLC ADR (1993–2025)
Year-by-year earnings quality comparison for National Grid PLC ADR. For live market cap and the full company financial profile, see National Grid PLC ADR (NGG) total market value.
| Year | Quality Index | Operating CF (USD) | Net Income | YoY Change |
|---|---|---|---|---|
| 2025 | 1.89x | $5.27 Billion | $2.79 Billion | ▼ -25.6% |
| 2024 | 2.54x | $5.64 Billion | $2.22 Billion | ▲ +187.5% |
| 2023 | 0.88x | $6.90 Billion | $7.80 Billion | ▼ -66.8% |
| 2022 | 2.67x | $6.27 Billion | $2.35 Billion | ▼ -2.0% |
| 2021 | 2.72x | $4.46 Billion | $1.64 Billion | ▼ -25.5% |
| 2020 | 3.65x | $4.62 Billion | $1.26 Billion | ▲ +54.7% |
| 2019 | 2.36x | $3.55 Billion | $1.50 Billion | ▲ +123.5% |
| 2018 | 1.06x | $3.53 Billion | $3.34 Billion | ▼ -57.9% |
| 2017 | 2.51x | $4.74 Billion | $1.89 Billion | ▲ +0.3% |
| 2016 | 2.50x | $4.99 Billion | $2.00 Billion | ▲ +17.5% |
| 2015 | 2.13x | $4.66 Billion | $2.19 Billion | ▲ +65.1% |
| 2014 | 1.29x | $3.07 Billion | $2.38 Billion | ▼ -7.8% |
| 2013 | 1.40x | $3.13 Billion | $2.24 Billion | ▼ -19.4% |
| 2012 | 1.73x | $3.55 Billion | $2.05 Billion | ▼ -4.7% |
| 2011 | 1.82x | $3.81 Billion | $2.09 Billion | ▼ -29.0% |
| 2010 | 2.56x | $3.73 Billion | $1.46 Billion | ▼ -3.4% |
| 2009 | 2.65x | $2.83 Billion | $1.07 Billion | ▲ +68.7% |
| 2008 | 1.57x | $2.49 Billion | $1.58 Billion | ▼ -12.9% |
| 2007 | 1.81x | $2.29 Billion | $1.27 Billion | ▼ -6.0% |
| 2006 | 1.92x | $2.32 Billion | $1.21 Billion | ▼ -15.6% |
| 2005 | 2.28x | $2.51 Billion | $1.10 Billion | ▲ +193.1% |
| 2004 | 0.78x | $1.42 Billion | $1.83 Billion | ▼ -31.3% |
| 2003 | 1.13x | $1.82 Billion | $1.61 Billion | ▲ +78.5% |
| 2002 | 0.63x | $554.40 Million | $874.70 Million | ▲ +461.9% |
| 2001 | 0.11x | $83.40 Million | $739.40 Million | ▼ -57.0% |
| 2000 | 0.26x | $149.90 Million | $572.10 Million | ▲ +0.9% |
| 1999 | 0.26x | $151.30 Million | $582.60 Million | ▲ +127.6% |
| 1998 | -0.94x | $-508.60 Million | $540.00 Million | ▼ -189.7% |
| 1997 | 1.05x | $694.70 Million | $661.90 Million | ▲ +175.1% |
| 1996 | -1.40x | $-952.30 Million | $681.70 Million | ▼ -287.1% |
| 1995 | 0.75x | $506.50 Million | $678.30 Million | ▲ +3.5% |
| 1994 | 0.72x | $455.10 Million | $630.50 Million | ▲ +4.8% |
| 1993 | 0.69x | $408.40 Million | $592.80 Million | — |