Solar Energy | Page 2

With a tentative agreement to be purchased by its sister company, Tesla Motors, SolarCity is going all in on a strategy that some analysts say is ahead of its time: pairing solar systems with the automaker's energy-storage batteries.

The combined entity would sell solar panels, home battery storage systems and electric cars under a single brand.

Aquila, Facebook's lightweight, high-altitude aircraft, flew at a few thousand feet for 96 minutes in Yuma, Arizona.

The success of large-scale solar has raised questions about the wisdom of continuing incentives for rooftop installations, which remain far more expensive than most other forms of electricity.

Missouri hopes to have the first solar panel-paved stretch of U.S. highway before the end of the year.

The company might have plans to expand its farms even further to prepare for new projects, such as charging stations for the long-rumored Apple car.

The announcement marks the largest funding to date for Mosaic, which in the last two years has grown into the nation's top loan provider for residential solar installations.

To get people to make a change, sometimes it needs to be more than the right thing to do.

The solar energy company is one of the largest non-financial companies to file for bankruptcy protection in the past decade.

The new solar farm near Epcot spans 22 acres and joins a family of mouse-shaped environmental projects.

Solar-powered jackets? Motion-Powered fabric? Clothes aren't just for covering up anymore.

A look at the future of green architecture.

A controversial ruling regarding solar energy in Nevada challenges business leaders on ethics, the environment and corporate social responsibility.

The battle over rooftop solar heats up in Nevada, a state that has long been friendly to the clean energy technology.

The database will tell you what you're likely to save in energy costs and will also put you in touch with a local installer.

The Solar Impulse 2 will continue its 12-leg journey in April of next year.

The Solar Impulse 2 is currently in flight from Nagoya, Japan, to Hawaii.

The idea is great but the current economics behind it is less compelling.

The company's Nevada gigafactory could dedicate all of its production to the home and utility products.

The Solar Impulse has landed in Oman, completing the first of its 12-part world tour.

Apple set a record, becoming the first American company to close with such a high market cap.