renewable energy

SpaceX's Starbase facility in Boca Chica, Texas.Michael Sheetz | CNBCSpaceX is expanding the solar farm at its Starbase in Boca Chica, Texas, according to documents obtained by CNBC from the U.S. Fish and Wildlife Service.The FWS documents, known as a draft biological conference and opinion (BCO), reveal that SpaceX is increasing the size of its on-site solar farm by 1.7 acres, or about 30%, making the solar array a total of 7.1 acres. The company has begun clearing and leveling for construction at the site already.Elon…

Compressing gases to store energy isn’t new: for decades, a few facilities around the world have been pumping air into huge underground caverns under pressure and then using it to generate electricity in a natural gas power plant. But Energy Dome turned to carbon dioxide because of its physics. Carbon dioxide, when squeezed to high enough pressures, turns into a liquid, which air doesn’t do unless cooled down to ultra-low temperatures. The liquid carbon dioxide can fit into smaller steel tanks close to where renewable…