Chapter 17

Heber Binary Plants, Imperial Valley, California, USA


Heber, a town in Imperial Valley, California, is home to two geothermal power stations. Heber was first explored as an oil and gas prospect, but two wells drilled in 1972 confirmed the existence of a liquid-dominated, moderate-temperature, low-salinity reservoir. The chapter discusses the development of the first Heber binary plant, the Heber Binary Demonstration plant. The plant had its share of problems, including that the parasitic power requirements were not proportional to the load. The needed production wells were not completed on schedule and the plant was decommissioned and eventually dismantled. The second attempt to develop the Heber resource began in 1992 and has ...

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