How California’s Landmark Energy Storage Bill Works

Energy storage — if you’re going to have intermittent wind and solar powering even a fraction of the country’s energy needs, you’re going to need it as backup, the experts agree. But right now grid-scale energy storage is a challenge, without clear regulatory and market mechanisms as to how to make it pay for itself.

But [...]

How California’s Landmark Energy Storage Bill Works

Energy storage — if you’re going to have intermittent wind and solar powering even a fraction of the country’s energy needs, you’re going to need it as backup, the experts agree. But right now grid-scale energy storage is a challenge, without clear regulatory and market mechanisms as to how to make it pay for itself.

But [...]

Made in China: Prudent Energy Lands $22M For Flow Batteries

We’ve been tracking plenty of stories that underscore China’s growing might in cleantech, and here’s another one. Prudent Energy, the subsidiary of China’s JD Holdings, said Tuesday that it has raised a $22 million Series C round to build out its Beijing manufacturing capacity for vanadium redox flow batteries and to “drive the company’s steady [...]

Investing in Flow Batteries

Expect to see more attention on flow batteries in 2010, as investors, utilities and entrepreneurs look to the technology as a way to provide low cost energy storage to the power grid alongside the addition of clean power. Take EnerVault, a flow battery company we profiled last May. The startup recently raised its first round of $3.5 million in venture funding, from Oceanshore Ventures and U.S. Invest, according to a regulatory filing. (Previously the comp