Performance depends on more than just the day's forecast.

"It seems to be a chicken-and-egg situation where the Powerwall is discharging." ...

Add Yahoo as a preferred source to see more of our stories on Google. For five years, Altamont’s solar power array has helped power homes, businesses and city buildings. Commissioned and built by the ...

In addition to checking up on our current list, we’ve added two newly reviewed solar generators, the rugged Jackery 1500 ...

According to Mayor Daniel Shapiro, about 70% of the roughly $2 million project, built by Veregy, was covered by state, ...

Boise is piloting a community solar project to expand renewable energy access and aid low-income residents while navigating state energy restrictions.

In Massachusetts, a flock of sheep came to a solar farm looking for shade and ended up repaying the favor by mowing the grass ...

New research shows that the presence of solar panels in Colorado's grasslands may reduce water stress, improve soil moisture levels and -- particularly during dry years -- increase plant growth by ...