SustainX

Isothermal compressed air energy storage (ICAES) technology enables a site-anywhere, zero-emissions storage solution. Photo credit: SustainX

Compressed air expands

It looks like compressed air energy storage (CAES) may have come of age as a utility-scale technology, with SustainX pushing the button on its 1.5MW installation in New Hampshire, US, last week. The isothermal plant is the…