geothermal
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Renewables
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
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Press Releases
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 […]
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Geothermal
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
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Press Releases
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 […]
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Renewables
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 […]
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Press Releases
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 […]
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Press Releases
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 […]
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O&M
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
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Renewables
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
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Renewables
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 […]
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Renewables
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 […]
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Renewables
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 […]
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Renewables
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 […]
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Geothermal
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
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Geothermal
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
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Renewables
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 […]
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Renewables
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 […]
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Renewables
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 […]
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Gas
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
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Renewables
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 […]