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). Read NRG current and long-term liabilities for a breakdown of total debt and financial obligations.
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. Explore NRG Energy Inc. capex to cash flow ratio to see what proportion of operating cash flow is directed to capital expenditures.
Annual Free Cash Flow Generation for NRG Energy Inc. (1997–2025)
Year-by-year Free Cash Flow Generation Index for NRG Energy Inc.. For the full company profile including market capitalisation, see NRG Energy Inc. stock valuation.
| 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 | — |