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News:Geothermal

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Geothermal in the News

Commenced Fall, 2009


2011

2010

  • Feature: Geothermal > Raser >
    Steam Dream: Utah's Geothermal Energy Potential - Geothermal compared to other renewables as well as coal and natural gas. Raser is deploying cost-effective geothermal resources, able to harness lower-heat input (200 - 300 degrees F) compared to usual flash-to-steam geothermal processes. Unlike wind or solar, geothermal is capable of base-load power production, providing constant output. (PESN; September 1, 2010)
  • Does Geothermal Drilling Cause Earthquakes? - Although geothermal drilling does not cause earthquakes, there has recently been heightened concern about induced seismicity because of the development of Engineered Geothermal Systems (EGS) technology, which can (but does not always) involve the deliberate fracturing of deep reservoir rock... (Renewable Energy World; January 20, 2010)
  • Geothermal > Ground Source >
    Citrus in the Snow -- Geo-Air energy systems - Russ Finch has been testing various geothermal heating/cooling systems in his home for 35 years. He has documented that air is 50% cheaper than liquid; is highly efficient, and has virtually no maintenance costs. His report "will allow anyone to easily build a "geo air" system, either professionally or as a DIY consumer." (CitrusintheSnow)

2009

  • Geothermal > Downsides >
    Geopower driller faces jail for causing earthquakes - The head of Geopower Basel, a thermal energy company, was testing pioneering technology to blast cold water deep underground and create steam to drive electric turbines; had to stop when it recorded an earthquake measuring 3.4 on the Richter scale and a series of smaller tremors that led to 3,500 claims for damages from homeowners and a compensation bill of SwFr9 million (£5.4 million). (Times Online; UK; Dec. 17, 2009)
  • U.S. Government and Energ >
    DOE Awards $338M For Geothermal Energy - Up to US $338 million in Recovery Act funding will go to the exploration and development of new geothermal fields and research into advanced geothermal technologies, supporting 123 projects in 39 states, with recipients including private industry, academic institutions, tribal entities, local governments, and DOE's national laboratories. (Renewable Energy World; Nov. 2, 2009)
  • Featured: Geothermal >
    Marshall Hydrothermal System for Harnessing Deep Sea Vents (Interview) - Bruce Marshall has filed a patent for a hydrothermal system that would harness the vast energy available from deep sea hydrothermal vents in which water seeps into near-surface magma, where it is continuously heated and ejected through vents at around 750 degrees Fahrenheit. The hot water and minerals would be brought to the surface to turn turbines. (PESWiki; Oct. 22, 2009) (Comment)
  • Geothermal / Nanotech >
    Cheaper Geothermal - Researchers at Pacific Northwest National Laboratory in Richland, WA, say they've developed a superior type of heat-extracting fluid using nanomaterials that could dramatically improve the economics ( of producing renewable power from low-temperature geothermal resources. The proprietary liquid can potentially boost the rate of heat capture by 20 to 30 percent. (MIT Technology Review; July 24, 2009)
  • Trends >
    US energy use drops in 2008 - Americans used more solar, nuclear, biomass and wind energy in 2008 than they did in 2007; and the nation used less coal and petroleum during the same time frame and only slightly increased its natural gas consumption. Geothermal energy use remained the same. (LLNL; July 20, 2009)
  • Geothermal > Ground Source Heat Pump >
    Geothermal Heating & Cooling Information - Website is dedicated to providing information about geothermal heating and cooling systems that use the natural constant ambient temperature of the earth to heat in the winter and cool in the summer. This is accomplished with a compressor or heat pump unit, the liquid heat exchanger medium, and the air delivery system.
  • Geothermal >
    Geothermal explosion rocks green energy hopes - The bid to produce green power on a commercial scale using heat mined from subterranean rocks – or "hot rocks" – has suffered a major setback, with the breach of a four-kilometre-deep well on Friday in the Cooper Basin in South Australia. (New Scientist; April 28, 2009)
  • Conservation >
    Greenest Nation - What big country is greener than Japan and Germany and produces more geothermal energy than all of Europe combined? This nation is also a pioneer in environmental stewardship, having passed many of the world's toughest regulations on vehicle emissions, energy efficiency and nature conservation. (Newsweek; Feb. 21, 2009)

2008

  • 5 Ways Geothermal Power is Heating Up Around the World - Geothermal power is the poor cousin of higher profile renewable energy sources such as wind and solar power. It doesn’t seem to be a question of geothermal’s potential, but its amount of publicity. Here’s a roundup of what’s heating up in geothermal power around the world. (TreeHugger; Sept. 3, 2008)
  • Google is Now America's Largest Investor In Geothermal Research - Google, which has an interest in affordable power to run its growing numbers of server farms, is heavily investing (through Google.org) in research into the development of geothermal power. In the US, Google is the largest funding source for geothermal research. (EcoGeek; Aug. 30, 2008)
  • New Geothermal Technology Could Tap 120,000MW of Energy - Raser Technologies and New Mexico Governor Bill Richardson broke ground on New Mexico’s first geothermal power plant at Lightning Dock near Animas, NM. The new plant will incorporate an innovative binary liquid technology that allows it to make use of the site’s low levels of geothermal energy. (Inhabitat; Aug. 28, 2008)
  • Blue Mountain Geothermal Project' - NGP is on track to complete the 49.5 MW Blue Mountain Faulkner I project, including resource drilling, transmission line installation, and pipeline and power plant construction by December 31, 2009. (Video) (Nevada Geothermal; Aug. 27, 2008)


  • In the Push for Alternative Energy, What Happened to Geothermal? - Today, geothermal provides about 5 percent of the country's energy, compared with about 3 percent for wind and 1 percent for solar. And there is some reason to be optimistic. Private investment is up, domestic use is steadily growing, and soaring energy prices have made previously prohibitive start-up costs economical. (US News; July 21, 2008)
  • A Groundswell for Geothermal - “If you’re going to spend the money on solar, you're probably better off to spend some of what you would have spent for solar, on geothermal and, therefore, lower the total energy cost. There is virtually no area of the country where geothermal cannot be used." (Distributed Energy; May/June 2008)
  • Paris’ Orly First European Airport to Use Geothermal Heating - Orly Airport has recently announced that it plans to provide more than a third of its heating needs via geothermal energy. Slated for completion in 2011, the $17 million dollar project will cut annual CO2 emissions by 7,000 tons from the current level of 20,000 tons. (Inhabitat; April 9, 2008)

2007

  • Model for improving geothermal power - Research shows that a combination of experimental field work and geochemical modeling programs can provide accurate indicators of the impact of silica scaling in geothermal wells, one of the biggest problems plaguing the industry. The findings may help to control silica scaling at geothermal power plants to reduce the cost of maintenance. (PhysOrg; Mar. 13, 2007)
  • GeoPower In The Oil Sands - Major oil companies have formed a consortium called GeoPower In The Oil Sands (GeoPOS) that is exploring using heat in the Earth's crust as a clean alternative to natural gas for oil sands production. Heat in the granite rock that lies 500 metres below could supply enough hot water and steam to extract oil from the tarry sands. (Clean Break; Feb. 10, 2007)
  • "Hot Rocks" for Home Energy - Geothermal power, a renewable energy source that has been largely ignored in the United States, can supply a significant share of the country’s future energy needs, according to a new Massachusetts Institute of Technology (MIT) study. The study notes that by investing some $1 billion over 15 years—less than the cost of building a single clean-coal power plant—geothermal energy could power about 25 million U.S. homes by 2050. (WorldChanging; Jan. 31, 2007)

2006

  • Nevada to quadruple geothermal power - A new report from the Geothermal Energy Association (GEA) says Nevada is on track to be producing over 1000 MW of geothermal power - quadrupling its current output - over the next 3 to 5 years. This level of geothermal production could meet roughly 25% of the state's total power needs, according to the authors. (Inside Greentech; December 22, 2006)
  • US Geothermal Power Expanding Dramatically - Some 58 new geothermal energy projects are now under development in the US, the most since the 1980s. They would almost double US geothermal capacity, adding 2,250 megawatts of electricity which would serve the needs of 1.8 million households. (Geothermal Energy Association; November 9, 2006)
  • Geothermal Power: Fort Knox's Buried Treasure - Trane has installed the world’s biggest geothermal heating and cooling system at Fort Knox that has cut base energy expenditures by 20%, reduced natural gas consumption to zero and cut emissions by a third. Trane bored 685 geothermal holes up to 500 feet into the earth that is a constant 57 degrees year around, keeping Fort Knox cool on hot summer days and warm in the winter. (Forbes.com; October 09, 2006)
  • Tesla-Turbines for Geothermal Energy - Former Rockwell Engineer Jeff Hayes discusses how [[Directory:Tesla Turbines|Tesla Turbines] can be used to tap geothermal energy from underground salt-brine. The Salton Sea in California contains enough geothermal energy to meet the entire electrical needs of the United States 20 times over. Recent refinements in the Tesla Turbine have given this approach new hope. Video link (American Antigravity; August 17, 2006)

See also

GEOTHERMAL

TYPES OF GEOTHERMAL

GEOTHERMAL-RELATED

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