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Ormat Technologies, Inc. announced the commencement of commercial electricity generation at the newly constructed North Valleys geothermal power plant, located in northern Washoe County, Nevada. The facility has an operating nameplate capacity of 30 megawatts, utilizing Ormat's proprietary binary energy converter technology to generate clean electricity from moderate-temperature subterranean geothermal brines. Electricity generated by the complex is delivered into NV Energy's high-voltage transmission grid under a binding 25-year power purchase agreement.
The North Valleys geothermal project comprises four deep production wells and three dedicated closed-loop reinjection wells drilled to depths exceeding 2,600 meters. Geothermal brine is pumped to the surface under pressure and directed through shell-and-tube heat exchangers, vaporizing an organic motive working fluid with a low boiling point to spin industrial expansion turbines. The cooled brine is returned entirely to the deep reservoir via closed-loop reinjection, sustaining hydrostatic reservoir pressure and precluding surface emissions or consumption of scarce freshwater resources.
Construction and commissioning of the 145 million dollar facility were completed within guided capital expenditure parameters, qualifying for federal investment tax credits under prevailing clean energy statutory frameworks. Ormat noted that the project integrates advanced automated supervisory control and data acquisition systems with real-time subsurface temperature and downhole pressure sensors, maximizing turbine efficiency while mitigating reservoir thermal degradation over the multi-decade operating lifecycle.
Executive management stated that firm, non-intermittent clean baseload generation is experiencing unprecedented demand across western power grids, driven by the expansion of electrified artificial intelligence data compute campuses and domestic industrial manufacturing facilities. Geothermal energy provides dependable capacity factors exceeding 95 percent, outperforming weather-dependent solar and wind assets. Ormat reaffirmed that the commissioning of North Valleys advances the company toward its strategic portfolio target of operating over 1,500 megawatts of global renewable capacity by late 2028.
Ormat Technologies emphasized that geothermal baseload energy provides essential grid reliability across the Western Interconnection as coal-fired generation retires. The North Valleys facility utilizes closed-loop binary energy converters that return one hundred percent of geothermal brine back to the deep reservoir formation, preventing surface emissions and conserving fluid volume. Engineering telemetry confirms stable bottom-hole pressures and continuous geothermal brine circulation across both operational extraction and injection networks.