Texas has an electricity grid problem of its own making. Almost the entire grid is walled off from neighboring connections, leaving residents more vulnerable to extended outages like the one happening now. On the bright side, the isolation has motivated grid planners to encourage more in-state wind and solar activity, along with new energy storage systems that save all those clean kilowatts for later use.
On the down side, pumped hydropower systems require massive and costly new infrastructure along with consequent environmental impacts. They also require specific geography, namely, two different elevations. Quidnet’s solution is to locate the storage reservoir in underground rock formations. In addition to reducing surface infrastructure and impacts, the technology is also landscape-agnostic. It can be deployed wherever the underground rock is suitable, regardless of surface elevation.
Somewhere along the line Quidnet changed the name of its system to GES, for Geomechanical Energy Storage, and now all that hard work has finally paid off in the form of private sector investment. Thank you, US taxpayers. Give yourself a group hug. “The two companies will work together to address ERCOT’s urgent need for energy storage as the grid operator onboards an increasing number of intermittent renewable assets. The partnership will pair Quidnet’s long-duration energy storage with Hunt Energy Network’s success in developing storage projects and Hunt Energy’s subsurface technologies similar to Quidnet’s GES,” the partners explained in a press statement.
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