U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy
The federal Office of Energy Efficiency and Renewable Energy's webiste provides a wide array of information relating to energy.
The mission of EERE is to create and sustain American leadership in the transition to a global clean energy economy. Its vision is a strong and prosperous America powered by clean, affordable, and secure energy.
Strategic Plan 2016-2020: https://www.energy.gov/eere/downloads/eere-strategic-plan