Share this on Twitter Share this on Facebook Share this on LinkedIn Share this on Sina Weibo Share this on Wechat Share this on LinkedIn Credit: ACES Delta Outside the farming town of Delta, Utah, two companies are planning one of the world’s largest renewable energy storage hubs, with $504 million in backing from the U.S. Department of Energy (DOE).The federal government support was in the form of a loan. The idea behind the Advanced Clean Energy Storage (ACES) project — a joint venture between Mitsubishi Power Americas and Magnum Development — is to harness enough on-demand renewable energy to power around 350,000 west coast homes nonstop for a month. The project involves producing hydrogen using solar and wind power, storing it in two large salt caverns, and deploying it as clean fuel when Utah is short on sun or wind. At a time when President Biden is seeking to drive investment in American-made clean energy, while reducing the U.S.’s reliance on China for the technologies of the future, ACES seems like a poster-child for domestic energy innovation. But there’s a catch: for ACES, the vital technological componSubscribe or login to read the rest. Subscribers get full access to: Exclusive longform investigative journalism, Q&As, news and analysis, and data on Chinese business elites and corporations. We publish China scoops you won't find anywhere else. A weekly curated reading list on China from David Barboza, Pulitzer Prize-winning former Shanghai correspondent for The New York Times. A daily roundup of China finance, business and economics headlines. We offer discounts for groups, institutions and students. Go to our Subscriptions page for details.