David's recent post on pumped storage attracted enough angry responses that I guess it is time for a more detailed post on energy storage and renewable sources. Solar and wind energy are variable ...

The hybrid energy storage system utilizes Energy Vault’s new EV0™ modular pumped hydro gravity storage technology plus lithium-ion batteries, and powered by VaultOS™ energy management software, is ...

Energy Vault (NYSE:NRGV) and Sardinia coal mining company Carbosulcis unveiled plans Monday to develop a 100 MW hybrid gravity energy storage system, designed by Energy Vault for underground mines, ...

Hydroelectric power generation hit a 10-year high in Europe in 2024, while hydro growth in other regions—most notably China—kept the technology at the top of the list when it comes to global energy ...

Looking over the edge of a Columbia River Gorge slope, you can see the river more than 2,000 feet below. A former aluminum smelter sits to the left at the bottom of the cliff. Wind turbines spin ...

The 100MW energy storage system will be owned and operated by Energy Vault, and is key to increasing the local use of renewable energy in Sardinia while accelerating the formation of the Renewable ...