National Grid PLC (NG) — Cash Flow Quality Index
National Grid PLC (NG) has a Cash Flow Quality Index of 4.57x as of September 2025. Operating cash flow of GBX2.82 Billion exceeds net income of GBX617.00 Million, indicating high earnings quality where cash backs reported profits. Explore National Grid PLC operating cash flow efficiency to assess how effectively this company generates cash.
Cash Flow Quality Index
Operating Cash Flow
Net Income
Data as of
National Grid PLC Cash Flow Quality Index (1993–2025)
Historical Cash Flow Quality Index for National Grid PLC across 33 annual periods. Values consistently above 1.0x indicate high-quality earnings. Check National Grid PLC 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 (1993–2025)
Year-by-year earnings quality comparison for National Grid PLC. For live market cap and the full company financial profile, see National Grid PLC market capitalisation.
| Year | Quality Index | Operating CF (GBX) | Net Income | YoY Change |
|---|---|---|---|---|
| 2025 | 2.35x | GBX6.81 Billion | GBX2.90 Billion | ▲ +51.3% |
| 2024 | 1.55x | GBX6.94 Billion | GBX4.47 Billion | ▲ +9.7% |
| 2023 | 1.41x | GBX6.90 Billion | GBX4.88 Billion | ▼ -1.5% |
| 2022 | 1.43x | GBX6.27 Billion | GBX4.37 Billion | ▼ -6.9% |
| 2021 | 1.54x | GBX4.46 Billion | GBX2.90 Billion | ▼ -7.2% |
| 2020 | 1.66x | GBX4.62 Billion | GBX2.78 Billion | ▲ +10.4% |
| 2019 | 1.50x | GBX4.32 Billion | GBX2.87 Billion | ▲ +16.7% |
| 2018 | 1.29x | GBX4.50 Billion | GBX3.49 Billion | ▼ -20.9% |
| 2017 | 1.63x | GBX5.23 Billion | GBX3.21 Billion | ▲ +24.0% |
| 2016 | 1.31x | GBX5.37 Billion | GBX4.08 Billion | ▼ -0.8% |
| 2015 | 1.32x | GBX5.01 Billion | GBX3.78 Billion | ▲ +23.1% |
| 2014 | 1.08x | GBX4.02 Billion | GBX3.73 Billion | ▲ +7.7% |
| 2013 | 1.00x | GBX3.75 Billion | GBX3.75 Billion | ▼ -16.4% |
| 2012 | 1.19x | GBX4.23 Billion | GBX3.54 Billion | ▼ -7.9% |
| 2011 | 1.30x | GBX4.86 Billion | GBX3.75 Billion | ▼ -5.4% |
| 2010 | 1.37x | GBX4.52 Billion | GBX3.29 Billion | ▲ +47.7% |
| 2009 | 0.93x | GBX3.40 Billion | GBX3.66 Billion | ▲ +5.2% |
| 2008 | 0.88x | GBX5.32 Billion | GBX6.02 Billion | ▲ +10.8% |
| 2007 | 0.80x | GBX2.15 Billion | GBX2.69 Billion | ▼ -11.8% |
| 2006 | 0.90x | GBX2.27 Billion | GBX2.51 Billion | ▼ -4.9% |
| 2005 | 0.95x | GBX2.55 Billion | GBX2.69 Billion | ▲ +22.1% |
| 2004 | 0.78x | GBX1.42 Billion | GBX1.83 Billion | ▼ -31.3% |
| 2003 | 1.13x | GBX1.82 Billion | GBX1.61 Billion | ▲ +78.5% |
| 2002 | 0.63x | GBX554.40 Million | GBX874.70 Million | ▲ +461.9% |
| 2001 | 0.11x | GBX83.40 Million | GBX739.40 Million | ▼ -57.0% |
| 2000 | 0.26x | GBX149.90 Million | GBX572.10 Million | ▲ +0.9% |
| 1999 | 0.26x | GBX151.30 Million | GBX582.60 Million | ▲ +127.6% |
| 1998 | -0.94x | GBX-508.60 Million | GBX540.00 Million | ▼ -189.7% |
| 1997 | 1.05x | GBX694.70 Million | GBX661.90 Million | ▲ +175.1% |
| 1996 | -1.40x | GBX-952.30 Million | GBX681.70 Million | ▼ -287.1% |
| 1995 | 0.75x | GBX506.50 Million | GBX678.30 Million | ▲ +3.5% |
| 1994 | 0.72x | GBX455.10 Million | GBX630.50 Million | ▲ +4.8% |
| 1993 | 0.69x | GBX408.40 Million | GBX592.80 Million | — |