The Silicon Valley program could signal renewed interest in the sector spurred by new U.S. tax credits.

The solar company is already cutting costs—and headcount—as it seeks a tariff exclusion.

But margins are pretty slim for the emerging energy storage division. Meanwhile, Tesla’s solar business continues to decline.

As Tesla’s solar business slows, it looks to Home Depot and Lowe’s for growth.

The project is being hailed as “the world’s largest virtual power plant.” But what exactly does that mean?

AEP, Statoil and Centrica have joined Bill Gates and Khosla Ventures as backers in a company that makes engines for buildings and microgrids.

Startup SolidEnergy Systems raised new funding to commercialize its energy-dense battery.

This isn’t the first criticism of Tesla’s Autopilot software.

As Model 3 production ramps up, Tesla delays its estimate by another quarter.

A look back at the year for Elon Musk’s ambitious energy company.