NRG Energy Inc. (NRG) — Free Cash Flow Generation Index
NRG Energy Inc. (NRG) has a Free Cash Flow Generation Index of -1.42x as of December 2025. Free cash flow of $-175.00 Million represents -1% of operating cash flow ($123.00 Million). Explore NRG capex reinvestment rate to see what proportion of operating cash flow is directed to capital expenditures.
FCF Generation Index
Free Cash Flow
Operating Cash Flow
Capital Expenditures
NRG Energy Inc. Free Cash Flow Generation Index (1997–2025)
Historical FCF Generation Index trend for NRG Energy Inc. across 26 annual periods. For the full cash flow conversion analysis, see NRG Energy Inc. operating cash flow efficiency.
Annual Free Cash Flow Generation for NRG Energy Inc. (1997–2025)
Year-by-year Free Cash Flow Generation Index for NRG Energy Inc.. Check cash flow reinvestment rate of NRG Energy Inc. to assess the company's total reinvestment commitment from operating cash flow.
| Year | FCG Index | Free Cash Flow (USD) | Operating CF | Capital Expenditures | YoY Change |
|---|---|---|---|---|---|
| 2025 | 0.40x | $766.00 Million | $1.91 Billion | $1.15 Billion | ▼ -49.7% |
| 2024 | 0.80x | $1.83 Billion | $2.31 Billion | $472.00 Million | ▲ +2302.4% |
| 2022 | -0.04x | $-13.00 Million | $360.00 Million | $373.00 Million | ▼ -107.9% |
| 2021 | 0.45x | $224.00 Million | $493.00 Million | $269.00 Million | ▼ -48.1% |
| 2020 | 0.87x | $1.61 Billion | $1.84 Billion | $230.00 Million | ▲ +4.3% |
| 2019 | 0.84x | $1.19 Billion | $1.41 Billion | $228.00 Million | ▲ +16.8% |
| 2018 | 0.72x | $989.00 Million | $1.38 Billion | $388.00 Million | ▼ -14.7% |
| 2017 | 0.84x | $1.36 Billion | $1.61 Billion | $254.00 Million | ▲ +44.5% |
| 2016 | 0.58x | $1.11 Billion | $1.91 Billion | $976.00 Million | ▲ +2923.9% |
| 2015 | 0.02x | $26.00 Million | $1.35 Billion | $1.28 Billion | ▼ -95.2% |
| 2014 | 0.40x | $601.00 Million | $1.51 Billion | $909.00 Million | ▲ +170.5% |
| 2013 | -0.56x | $-717.00 Million | $1.27 Billion | $1.99 Billion | ▲ +71.1% |
| 2012 | -1.96x | $-2.25 Billion | $1.15 Billion | $3.40 Billion | ▼ -99.3% |
| 2011 | -0.98x | $-1.14 Billion | $1.17 Billion | $2.31 Billion | ▼ -273.7% |
| 2010 | 0.57x | $917.00 Million | $1.62 Billion | $706.00 Million | ▼ -13.3% |
| 2009 | 0.65x | $1.37 Billion | $2.11 Billion | $734.00 Million | ▲ +80.1% |
| 2008 | 0.36x | $535.00 Million | $1.48 Billion | $899.00 Million | ▼ -47.0% |
| 2007 | 0.68x | $1.04 Billion | $1.52 Billion | $481.00 Million | ▲ +49.0% |
| 2006 | 0.46x | $187.00 Million | $408.00 Million | $221.00 Million | ▲ +182.0% |
| 2005 | -0.56x | $-38.00 Million | $68.00 Million | $106.00 Million | ▼ -169.2% |
| 2004 | 0.81x | $526.00 Million | $651.00 Million | $119.00 Million | ▲ +134.4% |
| 2002 | -2.35x | $-1.01 Billion | $430.04 Million | $1.44 Billion | ▲ +38.1% |
| 2001 | -3.79x | $-1.05 Billion | $276.01 Million | $1.32 Billion | ▼ -1090.3% |
| 2000 | 0.38x | $138.42 Million | $361.68 Million | $223.56 Million | ▲ +186.6% |
| 1998 | -0.44x | $-9.72 Million | $22.00 Million | $31.72 Million | ▼ -309.1% |
| 1997 | 0.21x | $7.29 Million | $34.49 Million | $26.94 Million | — |