Duke Energy Corp. said Thursday that it has raised its renewable energy goal by 33% and now expects to own or purchase 8,000 megawatts of wind, solar and biomass by 2020. As of the end of 2015, the energy company owned or purchased nearly 4,400 megawatts of wind, solar and biomass. It operates more than 52,000 megawatts of generating capacity in the U.S. Duke Energy's new sustainability report is now available online. The company's shares are down 0.7% in premarket trading, but up 9.3% for the year so far. The S&P 500 is up 2.5% for the year to date.
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