The new Cerro Prieto IV 100 MW generation plant consists of four 25 MW turbine-generator units, a 138 kV plant substation, a plant control room, a cooling tower and ancillary facilities and systems. The plant is sited in the Cerro Prieto geothermal resource area in Mexico, one of the largest geothermal power producing areas in the world, with more than 650 MW of geothermal generation in place. The Cerro Prieto complex is owned and operated by Commission Federal de Electricidad (CFE), the national utility of Mexico. Mitsubishi Heavy Industries hired POWER Testing & Energization's parent company POWER Engineers to assist in preparation of MHI’s EPC bid and design the eventual plant based around MHI turbines and condensers. Our responsibilities included plant layout and design, plant substation design, preparation of design and construction documentation, preparation of design criteria, preparation of purchase specifications, equipment expediting and tracking, project scheduling, construction support, and equipment testing.
POWER Testing & Energization tested the following equipment: high-voltage air switches, outdoor bus structures, SF6 138 kV circuit breakers, vacuum and low-voltage power circuit breakers, instrument transformers, power transformers, switchgear, medium-voltage MCC, protective relays, battery system, metering, system function tests and generator short circuit tests.
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