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 how well can National Grid PLC ADR service its debt to assess how comfortably operating cash covers total debt obligations.
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. For the full cash flow conversion analysis, see cash efficiency ratio of National Grid PLC ADR.
Annual Cash Flow Quality Index for National Grid PLC ADR (1993–2025)
Year-by-year earnings quality comparison for National Grid PLC ADR.
| 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 | — |