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| Caldwell Ranch has achieved a first-ever replicable strategy to reopen an abandoned steam field |
As part of a geothermal exploration effort to search for geothermal resources nationwide, a $5 million Energy Department investment to Calpine Corporation culminated in the confirmation of an initial 11.4 MW of equivalent steam this year—50% more than early estimates—from three previously abandoned wells at The Geysers, the largest operating geothermal complex in the world.
Calpine Corporation’s Caldwell Ranch Exploration Project is a first-ever achievement to reopen an abandoned steam field, validating universally applicable technologies that bear immediate implications for other geothermal-rich regions of California–Coso, Salton Sea, and Medicine Lake–and nationwide.
