geothermal

  • Geothermal Drilling in Iceland Reaches Supercritical Target

    A unique collaborative effort by a consortium of Icelandic power companies and the Icelandic government to determine whether using supercritical geothermal fluids would improve the economics of power

  • European geothermal energy needs regulatory certainty to sustain its steady growth

    Brussels, 17th May 2017 – EGEC, the European Geothermal Energy Council, has published the sixth edition of its annual study evaluating the development of the geothermal sector in Europe. In conjunction with the release of the report, EGEC has also unveiled its new logo and website. The report shows that over the last five years […]

  • One of World’s Largest Geothermal Units Begins Operations in Indonesia

    The first of three 110-MW units at the $1 billion Sarulla geothermal power plant in Indonesia’s North Sumatra province commenced commercial operation this March. When the next two units come online as

  • One of the World’s Largest Geothermal Power Plants Commences Commercial Operation

    First Unit of the Sarulla Geothermal Power Plant Starts to Provide Indonesia with 110 MW of Clean, Renewable Energy. Plant combines Toshiba’s flash and Ormat’s binary technologies to maximize efficiency Jakarta, Mar. 22, 2017 — Toshiba Corporation (TOKYO: 6502) and Ormat Technologies Inc. (NYSE: ORA) today announced that the first unit of the Sarulla geothermal […]

  • TOP PLANT: Tosunlar 1 Akca Plant, Saraykoy, Denizli, Turkey

    Owner/operator: Akca Enerji Geothermal energy has long been handicapped by its need for high-temperature resources to generate economic power, but innovations in binary Organic Rankine Cycle systems are making it possible to exploit low-temperature sites. An innovative plant in Turkey using Italian technology has taken things a step further with a unique two-pressure, multistage, single-disk […]

  • California to Host Ultimate Geothermal Energy Event in October

    SACRAMENTO, Calif.–(BUSINESS WIRE)–California will host the geothermal energy event of the year from October 23-26, just 9 weeks away. This event brings together key players in policy, technology, and industry at the Sacramento Convention Center — the GRC Annual Meeting & GEA GEOEXPO+. Last year, the event hosted more than 1,200 representatives from over 25 […]

  • Ansaldo Energia awarded contracts in Indonesia worth 80 million euros

    The company recently opened a branch office in Jakarta to seize opportunities in the Southeast Asian market Ansaldo Energia has received Notices to Proceed on two contracts signed late in 2015 worth a total of about 80 million euros. The first covers the supply of two AE94.2 gas turbines and two air-cooled generators with the […]

  • New Plant Design Options Expand Geothermal Power Operations

    Geothermal technology, though over a century old, is constantly changing. Developments in mapping techniques have improved exploratory practices. Plant adaptations, such as hybrid technologies and the

  • Olkaria Geothermal Expansion Project, Rift Valley Province, Kenya

    The Great Rift Valley is a massive continental fault system that runs 6,000 kilometers (km) from Mozambique to Jordan. In Kenya, the East African nation that is neatly halved by the equator, the Rift Valley is

  • Geothermal Energy: Is New Technology Resetting the Agenda?

    After years of stressing the conventional virtues of geothermal power production—reliable, baseload renewable energy from geological sources—the geothermal industry and the U.S. government are looking at ways technology can change the hot rocks game and give a boost to an often-overlooked resource. Legendary venture capitalist Vinod Khosla, who made a pile of money in information […]

  • Calpine’s Geothermal Facilities Devastated in California Blaze

    Parts of Calpine Corp.’s The Geysers geothermal power complex have been severely damaged by a wildfire that has incinerated swathes of California.  One of the world’s largest geothermal facilities, the 725-MW Geysers complex sits on 45 square miles of land along the border of Sonoma and Lake Counties in Northern California. Calpine said at least […]

  • Reports: Renewables Were Revived in 2014

    Despite plunging oil prices, 2014 was a formidable year for renewables, according to two reports released in early 2015. According to the “Global Trends in Renewable Energy Investment 2015”—the annual report prepared by the United Nations Environment Programme (UNEP), the Frankfurt School-UNEP Collaborating Centre for Climate & Sustainable Energy Finance, and Bloomberg New Energy Finance—energy investments […]

  • Leveraging Generation Synergies with Hybrid Plants

    Everyone loves efficiencies. Combining generation technologies can create a plant that’s more than the sum of its parts, but engineering challenges mean these projects are not for the faint of heart. When you think of “hybrids” these days, your first thought is probably of automobiles. But hybrids—hybrid power plants, that is—are starting to emerge in […]

  • Mining for Lithium in Geothermal Brine: Promising but Pricey

    Worldwide, the U.S. is the largest producer of geothermal power; however, geothermal energy provides less than 0.5% of total generation in the U.S. Given geothermal’s small piece of the U.S. electricity pie

  • New Zealand Strives to Maximize the Value of Geothermal Wastewater

    Geothermal resources have important strategic value for New Zealand, as they are able to directly supply both heat and electricity (see “New Zealand Geothermal Industry Is Poised for the Future” in this

  • Mining for Lithium in Geothermal Brine: Promising but Pricey

    Brine, the waste stream of the geothermal power production cycle, is usually considered a nuisance. High in corrosive minerals, even when reinjected, it’s challenging to manage. So when Simbol Inc. showed it had a way to turn this waste stream into a revenue stream by mining it for high-value minerals like lithium, a lot of […]

  • Power Sector Fossil Fuel Revenues Decrease While Renewable Energy Grows Rapidly

    The U.S. Census Bureau released data on Nov. 18 showing that revenues for electric power generation industries that use renewable energy resources grew 49% from 2007 to 2012, while fossil fuel electric power generation industry revenues decreased 6.7% during the same time period. Fossil fuel revenues continued to dwarf renewable totals, bringing in $79.7 billion […]

  • Indonesia Law Seeks to Allow Development of Volcano Power

    This August, in a bid to bolster its latent geothermal energy industry, Indonesia passed new laws that allow geothermal exploration in protected areas such as forests. Located in the Ring of Fire—a string of volcanoes and fault lines around the Pacific Basin—the archipelago has estimated potential geothermal resources of up to 29 GW. State power […]

  • Using Carbon Dioxide to Produce Geothermal Power

    A new kind of geothermal power being developed by a team of scientists from the Lawrence Livermore National Laboratory (LLNL), the University of Minnesota, and the Ohio State University could sequester carbon

  • NREL: Cost Gap for Wind and Solar Could Diminish without Subsidies in West by 2025

    A new report from the National Renewable Energy Laboratory (NREL) suggests wind and solar generation could become cost-effective without federal subsidies if they are sited in the most productive locations. “It is too early to say how strong the post-2025 market for renewables will be or whether it will be primarily market-driven or policy-driven. In […]