A US company that stores energy by elevating heavy objects is expanding its pipeline in China with five new projects to help provide around-the-clock clean power.
California-based Energy Vault Holdings Inc. and its partners including China Tianying Inc. announced agreements with five local governments to develop 1,160 megawatt-hours worth of storage. The systems are giant buildings that house a system of pulleys and heavy blocks, which are lifted when there’s excess electricity and lowered to generate power in times of need...