An untold wealth of cheap, efficient pumped hydro energy storage sites exist worldwide, sites that could be linked with solar or wind power systems to create emissions-free electricity grids, according to the ANU's latest, most ambitious, audit. The findings run contrary to conventional wisdom. “The perception has. There are many opportunities for renewable energy zones (REZ) to be created around the world where there wind, sun and pumped hydro opportunities are good, Andrew Blakers, research team member and. Akin to Highview's LAES technology, Energy Vault's kinetic energy system is inherently scalable with excellent economies of scale. The amount of energy stored depends on the number and mass of the. London, U.K.-based Highview Power sees similar potential for its LAES technology. Management recently announced the company entered into a joint venture with multinational engineering, procurement and construction (EPC) company TSK to develop large-scale LAES projects in Europe (Germany, Italy and Spain), the U.K. and the U.S.,. Ramping up from zero to 100 percent operating power capacity comes in under 10 seconds, which Highview demonstrated in Manchester, according to Cavada. In the fastest moving electricity markets, Highview can readily pair its LAES with flywheels or lithium-ion battery systems to achieve instantaneous response, he added. Adding to the.