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). Read NGG liabilities breakdown for a breakdown of total debt and financial obligations.
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 capital expenditure intensity to see what proportion of operating cash flow is directed to capital expenditures.
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 stock valuation.
| 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 | — |