Smart grid VC funding has been “extremely weak”

Investments by venture capitalists into smart grid companies — or firms that are adding digital intelligence to the power grid — has remained “extremely weak” over at least the last three quarters, according to research firm the Mercom Capital Group.

Photos: Next-gen solar tech at Intersolar

One of the largest solar conferences in the U.S., Intersolar, kicked off on Tuesday in downtown San Francisco, and is expected to draw around 22,000 attendees in the solar and power sectors this week. Here’s photos of the latest solar gear shown across two floors.

Welcome to the DC data center

For power company ABB, DC — or direct current — is the future of the data center. This week ABB and IT firm Green opened up a new DC-powered expansion at Green’s data center, which the companies say is the most powerful use of DC for a data center.

China building super highway for clean power

China likes to do things on a grand scale, which allows it serve its vast population spreading out in huge regions and brag about its technical advancements. Here comes another one: the country is now building a transmission line with a whopping 800-kilovolt of capacity that will ferry wind and solar power over 2,210 kilometers (1,373 miles).