Two years after it did a pilot fuel-cell installation at one of its Silicon Valley data centers, Equinix is making a big bet on the technology, which uses a chemical process to convert natural gas to electricity...

Mark Bergen (Bloomberg) — On May 16, Makani released a YouTube video. A camera pans on a T-shaped airplane, with wings stretching 85 feet holding eight small turbines and a tether connecting it to a tall ground station. The plane swoops into...

Mark Bergen (Bloomberg) — Alphabet Inc.’s secretive X skunk works has another idea that could save the world. This one, code named Malta, involves vats of salt and antifreeze...

Sabey might be a lot smaller than eBay and Digital Realty Trust, but the Seattle-based company beat out both as the data center operator that achieved the highest level of energy savings last year as noted in the Department of Energy’s (DOE) 2017...

Legislation required that 40 percent of the state’s electricity come from clean energy sources by 2030.

Sometimes it's hard to know whether the power a utility provides really comes from renewables.

Makes 20-year wind farm investment

How Infomart stays competitive in San Jose while buying 100 percent renewable energy

Many are finding that renewable energy isn’t just cleaner, it’s also often cheaper.

Even a big pro-coal policy shift from Washington may not result in higher demand for thermal coal.