Commercial Geothermal Articles

  • Projects Umatilla Indian Reservation Geothermal Resource Study - Case Study

    This is an exciting new project to expand understanding of the natural resources of the Umatilla Indian Reservation (UIR) and move the Confederated Tribes of the Umatilla Indian Reservation (CTUIR) one step closer to energy independence. AltaRock is working with HotRock Energy ...


    By AltaRock Energy, Inc.

  • Projects Thermoelectric Generators in a Geothermal Field - Case Study

    This is an R&D project which will build and test a new field-scale thermoelectric generator (TEG) at our Bottle Rock Power geothermal facility near Cobb, California. TEGs produce electrical energy when a strong enough temperature difference exists across the generator (a phenomenon known as the Seebeck effect). This will be the first ...


    By AltaRock Energy, Inc.

  • Geothermal Heat Pump (GHP) - Case Studies

    Case Study: “GHP schools used approximately 26% less source energy per square foot of floor area,” according to an evaluation of Lincoln, Nebraska schools by the Department of Energy. The report concludes that the schools using GHP technology “outperform others in the school district.” Case Study: Annual electrical consumption in Fort Polk ...

  • Insurance for Crossing the Valley of Death

    To achieve a modest reduction in atmospheric carbon dioxide emissions, global investment in renewable energy assets would need to increase from current levels of about $100 billion per year to $500 billion per year. Some of this increase can be accomplished by investment in existing, commercially proven technologies; but to meet the challenge of rapidly scaling renewable energy, we also need to ...


    By GLOBE SERIES

  • Boron pollution due to geothermal wastewater discharge into the Buyuk Menderes river, Turkey

    Kizildere, which is the only commercial geothermal power plant in Turkey and located in Buyuk Menderes Graben in south-west Turkey, discharges annually 6 million tonnes of wastewater into the Buyuk Menderes river, creating environmental pollution. Currently, the wastewater, which includes up to 24 mg/l boron, is discharged into the river at a rate of 750–1500 tonnes per hour. The temperature of ...


    By Inderscience Publishers

  • Geothermal Energy... Power from the Depths

    The Earth's crust is a bountiful source of energy—and fossil fuels are only part of the story. Heat or thermal energy is by far the more abundant resource. To put it in perspective, the thermal energy in the uppermost six miles of the Earth's crust amounts to 50,000 times the energy of all oil and gas resources in the world! The word 'geothermal' literally means 'Earth' plus 'heat.' ...

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