National Grid PLC ADR (NGG) — Free Cash Flow Generation Index
National Grid PLC ADR (NGG) has a Free Cash Flow Generation Index of -0.57x as of September 2025. Free cash flow of $-1.62 Billion represents -1% of operating cash flow ($2.82 Billion). See National Grid PLC ADR short-term liquidity ratio to evaluate short-term liquidity relative to the company's equity base.
FCF Generation Index
Free Cash Flow
Operating Cash Flow
Capital Expenditures
National Grid PLC ADR Free Cash Flow Generation Index (1993–2025)
Historical FCF Generation Index trend for National Grid PLC ADR across 31 annual periods. Explore NGG operating cash to total liabilities to assess how comfortably operating cash covers total debt obligations.
Annual Free Cash Flow Generation for National Grid PLC ADR (1993–2025)
Year-by-year Free Cash Flow Generation Index for National Grid PLC ADR. For the full company profile including market capitalisation, see National Grid PLC ADR market cap and net worth.
| Year | FCG Index | Free Cash Flow (USD) | Operating CF | Capital Expenditures | YoY Change |
|---|---|---|---|---|---|
| 2025 | -0.64x | $-3.39 Billion | $5.27 Billion | $8.66 Billion | ▼ -185.5% |
| 2024 | -0.22x | $-1.27 Billion | $5.64 Billion | $6.91 Billion | ▼ -370.8% |
| 2023 | 0.08x | $573.00 Million | $6.90 Billion | $6.33 Billion | ▼ -55.6% |
| 2022 | 0.19x | $1.17 Billion | $6.27 Billion | $5.10 Billion | ▲ +231.4% |
| 2021 | 0.06x | $252.00 Million | $4.46 Billion | $4.21 Billion | ▼ -20.2% |
| 2020 | 0.07x | $327.00 Million | $4.62 Billion | $4.29 Billion | ▲ +363.9% |
| 2019 | -0.03x | $-95.21 Million | $3.55 Billion | $3.64 Billion | ▼ -1014.6% |
| 2018 | 0.00x | $10.37 Million | $3.53 Billion | $3.52 Billion | ▼ -98.9% |
| 2017 | 0.27x | $1.30 Billion | $4.74 Billion | $3.44 Billion | ▼ -31.4% |
| 2016 | 0.40x | $1.99 Billion | $4.99 Billion | $3.00 Billion | ▲ +40.5% |
| 2015 | 0.28x | $1.32 Billion | $4.66 Billion | $3.33 Billion | ▲ +267.1% |
| 2014 | 0.08x | $237.43 Million | $3.07 Billion | $2.83 Billion | ▲ +213.0% |
| 2013 | -0.07x | $-214.43 Million | $3.13 Billion | $3.35 Billion | ▼ -163.3% |
| 2012 | 0.11x | $383.96 Million | $3.55 Billion | $3.16 Billion | ▼ -56.2% |
| 2011 | 0.25x | $941.13 Million | $3.81 Billion | $2.87 Billion | ▲ +60.9% |
| 2010 | 0.15x | $572.46 Million | $3.73 Billion | $3.16 Billion | ▲ +155.8% |
| 2009 | -0.27x | $-777.97 Million | $2.83 Billion | $3.61 Billion | ▼ -88.2% |
| 2008 | -0.15x | $-363.52 Million | $2.49 Billion | $2.85 Billion | ▼ -296.0% |
| 2007 | 0.07x | $170.81 Million | $2.29 Billion | $2.12 Billion | ▼ -72.4% |
| 2006 | 0.27x | $625.10 Million | $2.32 Billion | $1.69 Billion | ▼ -38.8% |
| 2005 | 0.44x | $1.11 Billion | $2.51 Billion | $1.40 Billion | ▲ +2748.0% |
| 2004 | 0.02x | $22.00 Million | $1.42 Billion | $1.40 Billion | ▼ -90.8% |
| 2003 | 0.17x | $306.00 Million | $1.82 Billion | $1.52 Billion | ▲ +249.7% |
| 2002 | 0.05x | $26.60 Million | $554.40 Million | $527.80 Million | ▲ +101.0% |
| 2001 | -4.80x | $-400.00 Million | $83.40 Million | $483.40 Million | ▼ -433.7% |
| 2000 | -0.90x | $-134.70 Million | $149.90 Million | $284.60 Million | ▲ +18.3% |
| 1999 | -1.10x | $-166.50 Million | $151.30 Million | $317.80 Million | ▼ -286.6% |
| 1997 | 0.59x | $409.70 Million | $694.70 Million | $285.00 Million | ▲ +131.2% |
| 1995 | 0.26x | $129.20 Million | $506.50 Million | $377.30 Million | ▲ +4.2% |
| 1994 | 0.24x | $111.40 Million | $455.10 Million | $343.70 Million | ▲ +283.0% |
| 1993 | 0.06x | $26.10 Million | $408.40 Million | $382.30 Million | — |