Many in Puerto Rico worry that any storm, regardless of how small, could knock out the grid, given its fragile state.

Concentrating solar power, developed by the US Department of Energy in 1982 ... producing electricity. Solar heating uses solar collecting panels that contain tubes of heat-absorbing fluid ...

Geothermal wells drilled deep underground will provide heating and cooling without burning fossil fuels. Solar panels on ... according to the Department of Energy. “Whatever your politics ...

"It depends on what is motivating the household to make the decision to [install] solar," Becca Jones-Albertus, director of the US Department of Energy Solar Energy Technologies Office ...

The U.S. Department of Energy's Sandia National Laboratories designated UL Lafayette's Louisiana Solar Energy Lab as a regional test center for emerging solar technologies. The facility ...