where the drop in pressure causes it to "flash" from a liquid to a gas, creating bursts of steam that can turn turbines and generate electricity. ... the brine is injected back underground, replenishing the reservoir. The main byproduct is water vapor.
The technology is expensive, and for years development had ground to a halt. But now California is swimming in cheap solar and wind power, and officials are scrambling for clean-energy resources that can be counted on 24/7 ... The Imperial Irrigation District, meanwhile, has agreed to buy most of the 50 megawatts of power that Controlled Thermal would initially generate.
Still, the Hell's Kitchen project might not have reached this stage without booming demand for lithium-ion batteries. ...
To be clear, Controlled Thermal still has obstacles to overcome. ... environmental analysis from Imperial County ... Perhaps most important General Motors or another party to sign a formal agreement to buy the lithium ... "Believe me, GM did their homework."
Not all there yet, but it's happening.