Acadia Heating and Cooling Claims Geothermal Performance

Saturday, February 6th, 2010

Hallowell International in Bangor, Maine, is the manufacturer of the Acadia, a combined heating and cooling system that can be combined with solar or wind installations to take users off the grid. The system can be installed in new buildings or can be retrofitted when consumers are considering green upgrades.

CleanTechies has three questions for president and founder Duane Hallowell.

CleanTechies: Acadia uses something called “boosted compression” technology. Tell us about that.

Duane Hallowell: Since the 1950s, heat pumps, which operate by exchanging air for heating and cooling, have been the most popular and environmentally-friendly heating ventilation and cooling (HVAC) application. However, because they absorb heat from the outside air, they are inefficient in cold-weather climates, requiring additional, costly heating elements in order to work correctly.

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Geothermal Energy 2010 Outlook

Monday, December 14th, 2009

Geothermal energyCleanTechies catches up with Curt Robinson, executive director of the Geothermal Resources Council, for three quick questions:

CleanTechies: You’ve spoken at a number of conferences about the opportunities in international geothermal energy.  What territories look most promising in 2010?  What, in particular, is the outlook for China?

Curt Robinson: For 2010, we’ll see continuing interest in the US, Europe, Australia, and along the Pacific Ring of Fire. If the economy has a sustained recovery, we’ll see the capital markets opening up and supporting geothermal power development.

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Green Hotel Video: Geothermal Heating & Cooling — A No-Brainer

Tuesday, December 1st, 2009

Have a look at this TEDx Toronto clip.

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Middle East Turning To Alternative Energy

Monday, November 23rd, 2009

Abu Dhabi, UAE

It all sounds very grandiose and really too good to be true, but a number of  Persian Gulf states, including Abu Dhabi, Dubai, Bahrain and Qatar are hoping to be able to satisfy a good portion of their massive energy needs through alternative and renewable energy sources, instead of relying mostly on oil.

In a part of the world that experiences some of the hottest summer temperatures, averaging above 44 degrees Celsius during at least 4 months of the year; and whose energy growth use is growing by more than 10% per annum, these countries have their work cut out for them to be able to realize 70% of their total energy needs  from alternative and renewable energy by the year 2030.

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Ormat and NV Energy Sign 30MW Geothermal Power Contract

Monday, November 16th, 2009

Steamboat Extension - 4.6  MW  Steamboat Hills, Nevada 2007Ormat Technologies, Inc. announced this week that it has signed a 20-year power purchase agreement (PPA) with NV Energy, Inc. for the purchase 30 megawatts (MW) from the McGinness Hills Geothermal project, which is currently under construction.

The PPA is subject to various approvals including the approval of the Public Utilities Commission of Nevada and is projected to come on line in 2012.

When completed, the McGinness Hills project will increase the total output supplied from Ormat to NV Energy, Inc. to approximately 135 MWs, helping NV Energy to meet its renewable energy requirement. Nevada’s renewable portfolio standard legislation requires 15 percent of all electricity generated in the state to be derived from new renewable energy sources by the end of 2012.

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Peak Carbon Is History — The U.S. Has Entered a New Energy Era

Sunday, November 15th, 2009

U.S. Energy-Related Carbon Dioxide Emissions,  1950-2009

For years now, many members of Congress have insisted that cutting carbon emissions was difficult, if not impossible. It is not. During the two years since 2007, carbon emissions have dropped 9 percent. While part of this drop is from the recession, part of it is also from efficiency gains and from replacing coal with natural gas, wind, solar, and geothermal energy.

The United States has ended a century of rising carbon emissions and has now entered a new energy era, one of declining emissions. Peak carbon is now history. What had appeared to be hopelessly difficult is happening at amazing speed.

For a country where oil and coal use have been growing for more than a century, the fall since 2007 is startling. In 2008, oil use dropped 5 percent, coal 1 percent, and carbon emissions by 3 percent. Estimates for 2009, based on U.S. Department of Energy (DOE) data for the first nine months, show oil use down by another 5 percent. Coal is set to fall by 10 percent. Carbon emissions from burning all fossil fuels dropped 9 percent over the two years.

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Geothermal Energy Incentives To Attract $2.5 Billion In The Philippines

Friday, November 6th, 2009

Geothermal Energy PhilippinesThe Philippine government plans to approve 19 new contracts to develop the nation’s massive geothermal energy resources in the next five months.

A top energy official said financial incentives for the development of renewable energy projects could attract more than $2.5 billion in private dollars from domestic and international companies.

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Turkey’s Alternative Energy Potential Needs to Get Unblocked

Monday, October 26th, 2009

turkey-renewable-energy-ataturk-dam.jpgTurkey’s alternative energy potential is huge, but it remains locked – at least so far. Earlier this month, Ankara hosted the International Energy Congress on Renewable Energy where the Turkish energy sector was the main discussion point. The congress attracted a record number of participants from public and private sectors, including the Turkish Minister of Energy and members of the country’s Parliament. It was once more observed that the potential of investments in Turkey is by far exceeding the enthusiasm of the bureaucrats and the readiness of the Turkish infrastructure.

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AltaRock Energy Geothermal Project in California Suspended

Friday, September 4th, 2009

mudpot-geothermal.jpgA $17 million renewable energy project designed to tap into the earth’s heat more than 2 miles deep has been suspended because of difficulty drilling through rock formations.

The project, run by AltaRock Energy and partially funded by Google, was designed to drill down to about 12,000 feet, fracture rock at the bottom of the hole, and then circulate water to create steam.

But the company reported that it had encountered “anomalies” in the rock that had prevented it from drilling deeper than 4,000 feet.

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Building a Green Economy: Green Jobs, Transmission Lines & Microgrids

Monday, August 31st, 2009

transmission-lines-microgrid.jpgImperial County, tucked away in the southeastern corner of California, has long suffered from perennial unemployment rates exceeding 20 percent.

Yet Imperial County is also home to the “crown jewel” of all geothermal steam resources in the U.S., making it a prime spot to showcase how renewable energy can help spur the new green economy so enthusiastically touted by the Obama Administration.

Late December, the California Public Utilities Commission (CPUC) approved the construction of the $1.9 billion Sunrise PowerLink transmission line, which could send clean electricity from Imperial County to San Diego. However, the Center for Biological Diversity (CBD) petitioned the California Supreme Court last January to review this decision, citing San Diego Gas & Electric’s (SDG&E) refusal to guarantee that the transmission project would be reserved exclusively for renewable energy resources.

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