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Geothermal

Big Island of Hawaii Gets 20% of Its Electricity from Geothermal Plant


A geothermal plant on Hawaii's Big Island is providing 20% of that islands electricity needs, with additional capacity in the works.

The Puna Geothermal Venture is canada pharmacy run by Ormat Technologies and is located in the Mt. Kilauea East Rift zone.  The plant has five wells that bring up 650-degree geothermal fluids to the surface where the compare cialis prices steam is separated out and used to drive generators.  The plant also captures waste heat from the primary circuit with fluid pentane to increase power output and efficiency.

The plant is currently contracted to suppliers of viagra in uk provide 30 MW of electricity to Hawaii Electric and Light through 2030, but is looking to add another 8 MW of capacity soon, as well as building new reservoirs off the coast of Maui and near Mt. Hualalai to expand its electricity coverage across the islands.

With the vast amount of geothermal energy in the area, Hawaii could easily get most of their electricity from these sources within the near future.

via Cleantechnica

 

Google Data Center Cooled with Ocean Water

Google has opened a new data center in Finland where all of fda approves levitra the cooling is best online viagra done with sea water rather than compressors and refrigerants. The building, which was originally built as a paper mill, is located on the eatingdisorderrecovery.com Gulf of Finland and using cool sea water is a way to save money while keeping the building cooled with a readily available resource.

Cooling is one of the biggest expenses for data centers. Servers, especially when many of them are stacked close together, generate a great amount of heat, and that heat must be dissipated to keep the equipment running. The Google data center brings in sea water through granite tunnels and levitra sales online into heat exchangers where the water absorbs the heat to keep the equipment cool.

The heated water is further tempered with cool sea water in a separate building before it is returned to theglobalobservatory.org the ocean to minimize the impact the heated water might have on the natural environment.

hat tip: @SomeChum

 

Portland, ME Airport to Use Geothermal Heating

Portland, Maine is expanding its airport and with the renovation comes a new geothermal system for heating and cooling. The builders estimate the only now buy levitra soft tabs system will save the airport 50,000 gallons in heating oll a year.

The system will consist of a 120 wells and a series of fluid-filled pipes running about 500 feet under an employee parking lot. The parking lot will act as a heat sink and underground temperatures should stay at around 55 degrees year-round. In the summers, the fluid in the pipes will help provide cooler air to the airport, while in the winter, the fluid will help heat the air to 55 degrees before the building's heating system takes over.

The reduction in heating oil use will amount to a significant energy bill savings for the airport --about $200,000 a year and over $8 million over the life of the system.

The airport funded the installation of effect of viagra on women the heating system with a $2.5 million grant from the Federal Aviation Administration's Voluntary Airport Low Emission program.

via U.S. DOT Blog

 

Combined Geothermal Energy and Carbon Sequestration

geothermCO2

A new technology for producing geothermal energy could also be a method for sequestering carbon dioxide beneath the http://plaisirdecreer.be/cialis-tablets earth's surface, which could make this one of the most carbon-negative methods of producing energy. Geothermal power often has other environmental impacts, which usually puts it in the same category with large-scale hydropower: a source of clean power from a CO2 emissions standpoint, but with other negative environmental impacts. But using CO2 rather than water could make this a very attractive way of generating geothermal power in an even cleaner way.

The test project being carried out in Arizona by Green Fire Energy is working to develop a method of producing geothermal energy based on research by geoscientist Donald Brown at Los Alamos National Lab and buy 100 mg cialis further developed by Karsten Preuss and others at Lawrence Berkeley National Lab.

Geothermal power usually requires large volumes of water to be pumped underground to viagra low price generate steam for power generation. By instead using CO2 as the working fluid, this new method avoids the need for large volumes of water and also serves to sequester some of the CO2 underground as it gets trapped in the process. "[Carbon dioxide] will be tapped, pressurized to a 'supercritical' state and injected underground. When this CO2 returns to the surface, it will cycle through a power conversion system, creating power. After each cycle, the CO2 will be recompressed and reinjected underground. During this process, a portion of cialis shipped fast the CO2 will be permanently trapped in porous underground rocks. Thus, the process emits no carbon – and may actually store some of it deep underground."

Interestingly, this is not the only technology using CO2 that we've seen recently, and there might be an interesting synergy between the two. This is an especially positive development for the desert Southwest, which has geothermal potential, but little available water with which to exploit it. Sequestering CO2 from nearby coal-fired plants could serve as a source for the CO2 to run this process, as well, which would help further improve the air quality in the region.

via: Energy.gov

 

Iceland Plans to Export Geothermal Energy


iceland-geo
Iceland sits on one of the world's greatest geothermal hot spots and a recent discovery of underground lava has increased the amount of geothermal energy the http://www.calamusdesign.it/levitra-super-active county could be harnessing.  Iceland already gets 81 percent of its electricity from the renewable resource and expects to be fully powered by renewable energy by 2050.  With most of its energy needs met, it wants to cialis perscription sample share with the rest of Europe.

Iceland's biggest utility company, Landsvirkjun, has announced a plan to build the world's longest undersea cable at 1,180 miles long to carry up to five billion kWh of electricity a year to European countries -- enough to power 1.25 million homes.  That much energy would be worth several hundred million dollars.

Such a cable will not be cheap to build, but in the long run, Iceland would have a really nice source of revenue and recommended site cheap discount viagra Europe would have an abundant source of clean energy.

via Fast Company

 
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