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 NGG operating cash flow to assess how effectively this company generates cash.
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 NGG cash flow reinvestment rate to assess the company's total reinvestment commitment from operating cash flow.
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 NGG market cap overview.
| 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 | — |