John Woolard


An 11th hour withdrawal from a long-anticipated initial public offering could be a potentially damaging blow for a cleantech startup trying to raise additional capital from the public markets.

But BrightSource, the concentrating solar power startup with 9 GW of projects in the pipeline, has not ruled out another attempt at a public launch. Keep reading →


The intermittent nature of solar power has long been its most obvious weakness. What happens when the sun stops shining? People still need power.

One California-based solar company, BrightSource Energy, says it has developed a way to solve the problem. On Monday the company announced that it will be including its SolarPLUS thermal energy storage technology to several of its concentrated solar power (CSP) solar plants. The storage units will allow power from the sun to be stored for the evening when the sun is no longer shining but demand is up. Keep reading →