geothermal developer Articles

  • Nevada Geothermal, Ormat to develop Oregon resource

    Nevada Geothermal Power Inc. (Vancouver, B.C.) and Ormat Nevada Inc., a subsidiary of Ormat Technologies Inc. (Reno, NV), have signed an agreement under which the two companies will jointly develop, construct, own, and operate one or more geothermal power plants at the Crump Geyser Project Area in Lake County, Oregon. The agreement calls for the formation of a limited liability company, ...

  • Personal Account: Stanford Geothermal Workshop

    AltaRock Energy’s Matt Uddenberg accompanied a group of staff to this year’s Stanford Geothermal Conference, where AltaRock’s Susan Petty and Trenton Cladouhos gave a presentation on the Newberry EGS Demonstration. This was Matt’s first experience with the workshop, so we asked him to ...


    By AltaRock Energy, Inc.

  • 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.' ...

  • Lessons from Indonesia: Mobilizing Investment in Geothermal Energy

    Developing countries will need about $531 billion of additional investments in clean energy technologies every year in order to limit global temperature rise to 2°C above pre-industrial levels, thus preventing climate change’s worst impacts. To attract investments on the scale required, developing country governments, with ...

  • World geothermal power generation nearing eruption

    With fossil fuel prices escalating and countries searching for ways to reduce oil dependence and greenhouse gas emissions, capturing the earth’s heat for power generation is garnering new attention. First begun in Larderello, Italy, in 1904, electricity generation using geothermal energy is now taking place in 24 countries, 5 of which use it to produce 15 percent or more of their total ...


    By Earth Policy Institute

  • 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 ...

  • Geothermal Power Approaches 12,000 Megawatts Worldwide

    In 2013, world geothermal electricity-generating capacity grew 3 percent to top 11,700 megawatts across 24 countries. Although some other renewable energy technologies are seeing much faster growth—wind power has expanded 21 percent per year since 2008, for example, while solar power has grown at a blistering 53 percent annual rate—this was geothermal’s best year since the ...


    By Earth Policy Institute

  • Identification of high-prospect geothermal energy projects in China

    This project will focus on the identification of highly prospective geothermal energy projects in China with cooperation of Australia. The emphasis will be on geothermal prospects in the non-volcanic regions that comprise the bulk of China. The primary goal of the proposed co-operative project is to produce a portfolio of high prospect geothermal projects that are ranked in terms of ...

  • Exergy analysis and pressure optimisation of geothermal binary power plants

    Binary geothermal power plants are used for power production from moderate temperature geothermal reservoirs (85-170°C). In performance analysis of those plants, the second law of thermodynamics is used like in other conventional power plants. In this paper, the exergy analysis and pressure optimisation methods are described for binary power plants. The method described is applied to a ...


    By Inderscience Publishers

  • Case Study - 2.0 MW Nominal Geothermal Power Plant

    Lake Naivasha, Kenya – 2007 Under a contract signed in June 2006 with Oserian, Geothermal Development Associates (GDA) agreed to design, manufacture, inspect, test, pack, and ship a 2 MW nominal geothermal steam turbine generator and related power plant auxiliary components from Reno, Nevada, USA to the Oserian flower-growing facility near Lake Naivasha, Kenya. GDA will provide technical ...

  • Case study - ElectraTherm generates power from low temperature geothermal

    Site: Florida Canyon, Nevada, USA Gross Power Output: up to 75kWe Hot Water Input Range: 225-230F Hot Water Flow: 150 GPM Thermal Heat Input: 660kWt Air Cooled Condenser ElectraTherm successfully commissioned its Green Machine at the Florida Canyon Mine in Imlay, Nevada. ElectraTherm marked the occasion at Florida Canyon Mine with a commissioning ceremony including officials ...


    By ElectraTherm

  • Developing power

    The invention of a long-lasting incandescent light bulb in the 19th century spurred on the second wave of the industrial revolution, illuminating homes, extending leisure time and bringing us to the point today where many millions of people use a whole range of devices from mood lighting to audiovisual media centers, microwave ovens to fast-freeze ice makers, and allergy-reducing vacuum cleaners ...


    By Inderscience Publishers

  • Case Study - 2.4 MW Geothermal Wellhead Power Plant

    Eburru, Kenya – 2012 Under a contract with Kenya Electricity Generating Company (KenGen), GDA designed, manufactured, tested, and shipped all of the major equipment for a 2.4 MW wellhead power plant at Eburru, Kenya. GDA also provided supervision and technical support during installation and commissioning of the plant. At the heart of the plant is an Elliott 8-stage GYR turbine. This ...

  • Kenya’s first carbon credits from geothermal energy pay for schools

    Last month, I drove through dust on bumpy dirt roads from Nairobi to visit the Oloirowua Primary School in Suswa, 140 kilometers northeast of the Kenya capital. The school sits on the vast savannah near Hell’s Gate National Park, an area with substantial geothermal potential. Here, KenGen, Kenya’s electric generating company, has built the ...


    By The World Bank

  • Permeable (pervious) pavements and geothermal heat pumps: addressing sustainable urban stormwater management and renewable energy

    Water and energy are the two most fundamental ingredients of modern civilisation and are also the most precious and essential resources around the globe. They are inseparably coupled and with increasing pressures on these resources as the world's populations grow, the concepts of a combined approach can be applied while addressing the economic, climate, water and energy crises. Sustainable ...


    By Inderscience Publishers

  • Evaluation of utilisation opportunities of geothermal energy in the Kavala region, Greece, using exergy analysis

    Greece has a lot of geothermal energy fields. Due to legal inefficiencies, the exploitation of this renewable energy source remains at very low levels. In this work, the operation of a cogeneration (hot water and electricity) geothermal plant that could be built in Eratino, Greece, is analysed. The research on the development of a low enthalpy geothermal field is investigated as a very essential ...


    By Inderscience Publishers

  • A BME solution of the stochastic three-dimensional Laplace equation representing a geothermal field subject to site-specific information

    This work develops a model of the geothermal field in the Nea Kessani region (Greece) by means of the Bayesian maximum entropy (BME) method, which describes the temperature variations across space in the underground geological formations. The geothermal field is formed by a thermal reservoir consisting of arcosic sandstones. The temperature distribution vs depth was first investigated by the ...


    By Springer

  • Renewable energy and sustainable development in Hungary

    This paper presents an overview of the use of renewable energy in Hungary. It analyses the role of renewables in the sustainable development of the country and in the reduction of greenhouse gas emissions. Although Hungary is rich in geothermal sources, the use of renewable energy sources is not economically viable in the country compared with traditional energy sources. In Hungary, only biomass ...


    By Inderscience Publishers

  • Hydrogeological and environmental impact assessment of a geothermal closed loop ground source energy installation

    ESI in Milan was approached to give support for designing one of the largest closed loop systems for heating and cooling in Europe.  The system was installed at the IKEA store in Corsico, Milan, with the need to provide some 1.4 MWth and covering thermal energy demand in the range from 40 to 100%.  The closed loop system is expected to save the Client over 500 t/y in CO2 ...

  • Fossil Fuel Development in the Arctic is a Bad Investment

    Even master chess players can miss a great move when they have been primed to look for a different one. To explore this phenomenon, researchers tracked master chess players’ eye movements when given chessboards with different layouts. With the first board, players could reach checkmate using a familiar move. When given the second chessboard, the players' eyes kept looking at the pieces ...


    By Earth Policy Institute

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