Duke Energy Corporation (DUK) — Free Cash Flow Generation Index
Duke Energy Corporation (DUK) has a Free Cash Flow Generation Index of -1.99x as of June 2026. Free cash flow of $-5.48 Billion represents -2% of operating cash flow ($2.76 Billion). Explore Duke Energy Corporation capital reinvestment ratio to see what proportion of operating cash flow is directed to capital expenditures.
FCF Generation Index
Free Cash Flow
Operating Cash Flow
Capital Expenditures
Duke Energy Corporation Free Cash Flow Generation Index (1994–2025)
Historical FCF Generation Index trend for Duke Energy Corporation across 32 annual periods. For the full cash flow conversion analysis, see cash flow conversion of Duke Energy Corporation.
Annual Free Cash Flow Generation for Duke Energy Corporation (1994–2025)
Year-by-year Free Cash Flow Generation Index for Duke Energy Corporation. Check DUK capex plus investments ratio 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 | -0.14x | $-1.67 Billion | $12.35 Billion | $14.02 Billion | ▼ -3576.6% |
| 2024 | 0.00x | $48.00 Million | $12.33 Billion | $12.28 Billion | ▲ +101.4% |
| 2023 | -0.28x | $-2.73 Billion | $9.88 Billion | $12.60 Billion | ▲ +69.9% |
| 2022 | -0.92x | $-5.44 Billion | $5.93 Billion | $11.37 Billion | ▼ -434.0% |
| 2021 | -0.17x | $-1.43 Billion | $8.29 Billion | $9.71 Billion | ▼ -44.8% |
| 2020 | -0.12x | $-1.05 Billion | $8.86 Billion | $9.91 Billion | ▲ +66.6% |
| 2019 | -0.35x | $-2.91 Billion | $8.21 Billion | $11.12 Billion | ▼ -15.8% |
| 2018 | -0.31x | $-2.20 Billion | $7.19 Billion | $9.39 Billion | ▼ -42.2% |
| 2017 | -0.22x | $-1.43 Billion | $6.62 Billion | $8.05 Billion | ▼ -32.9% |
| 2016 | -0.16x | $-1.10 Billion | $6.80 Billion | $7.90 Billion | ▼ -1103.6% |
| 2015 | -0.01x | $-90.00 Million | $6.68 Billion | $6.77 Billion | ▼ -107.4% |
| 2014 | 0.18x | $1.20 Billion | $6.59 Billion | $5.38 Billion | ▲ +36.1% |
| 2013 | 0.13x | $856.00 Million | $6.38 Billion | $5.53 Billion | ▲ +373.7% |
| 2012 | -0.05x | $-257.00 Million | $5.24 Billion | $5.50 Billion | ▲ +74.0% |
| 2011 | -0.19x | $-691.00 Million | $3.67 Billion | $4.36 Billion | ▼ -190.7% |
| 2010 | -0.06x | $-292.00 Million | $4.51 Billion | $4.80 Billion | ▲ +75.8% |
| 2009 | -0.27x | $-926.00 Million | $3.46 Billion | $4.39 Billion | ▲ +15.9% |
| 2008 | -0.32x | $-1.06 Billion | $3.33 Billion | $4.39 Billion | ▼ -1328.7% |
| 2007 | 0.03x | $83.00 Million | $3.21 Billion | $3.12 Billion | ▼ -73.7% |
| 2006 | 0.10x | $367.00 Million | $3.73 Billion | $3.38 Billion | ▼ -43.9% |
| 2005 | 0.18x | $495.00 Million | $2.82 Billion | $2.31 Billion | ▼ -63.9% |
| 2004 | 0.49x | $2.05 Billion | $4.21 Billion | $2.06 Billion | ▲ +15.8% |
| 2003 | 0.42x | $1.40 Billion | $3.34 Billion | $2.47 Billion | ▲ +582.8% |
| 2002 | -0.09x | $-394.00 Million | $4.53 Billion | $4.92 Billion | ▲ +71.6% |
| 2001 | -0.31x | $-1.33 Billion | $4.36 Billion | $5.93 Billion | ▲ +80.0% |
| 2000 | -1.53x | $-3.41 Billion | $2.23 Billion | $5.63 Billion | ▼ -30.7% |
| 1999 | -1.17x | $-3.20 Billion | $2.73 Billion | $5.94 Billion | ▼ -1422.1% |
| 1998 | 0.09x | $210.00 Million | $2.37 Billion | $2.16 Billion | ▼ -76.8% |
| 1997 | 0.38x | $816.90 Million | $2.14 Billion | $1.32 Billion | ▼ -32.3% |
| 1996 | 0.56x | $836.20 Million | $1.48 Billion | $646.50 Million | ▲ +23.6% |
| 1995 | 0.46x | $598.40 Million | $1.31 Billion | $713.30 Million | ▲ +79.5% |
| 1994 | 0.25x | $263.20 Million | $1.04 Billion | $772.50 Million | — |