<human>:  What is the state of renewable energy sources in the U.S.?
<bot>: The current state of renewable energy sources in the U.S. is ever-expanding, with renewable energy sources making up an increasing share of the country's total energy production. In 2019, 17.5% of the energy generated in the U.S. came from renewable sources, including hydropower, solar, wind and biomass. This represents an increase from 15.3% renewable energy mix in 2018. The U.S. is also making progress towards meeting its target of 20 percent renewable energy by 2030. Furthermore, the U.S. is now the world's second-largest producer of solar energy, producing over 32.5 gigawatts of solar energy in 2019.