Steam pours from twin silencer towers at the Berlín 2 geothermal site. Geothermal fluids can flow from a well at the speed of sound, which resembles that of a jet engine to the field crew. The silencer drops the sound to a dull roar. Two 25 MW power plants came on line at Berlín 2 in 1998 and 1999. The two plants utilize both production and reinjection wells, and were expected (after operating and financial expenses) to save $56,000 in fuel costs per day.

Photo courtesy of Comisión Ejecutiva Hidroeléctricia del Río Lempa (CEL), 1992.

This image is made available under the Creative Commons BY-NC-ND 4.0 license terms.

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