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About the size of a refrigerator, the ClearEdge Plus fuel system hooks up to your natural gas supply and through its fuel processor, draws the hydrogen molecules out. Then, through an electrochemical process that combines the hydrogen molecules with oxygen, the unit generates up to 5kW of electricity for use throughout your entire home and allows you the control to select specific critical circuits you want to remain "up" even when the grid is "down."

The word geothermal comes from the Greek words geo (earth) and therme (heat). So, geothermal energy is heat from within the Earth. We can recover this heat as steam or hot water and use it to heat buildings or generate electricity. Geothermal energy is a renewable energy source because the heat is continuously produced inside the Earth. ... Cancel

The Benefits "Geothermal energy has the potential to generate and deliver sustainable supplies of clean, renewable base load power. Depending on the nature of the resource and the reservoir, individual production wells have the potential to generate consistent supplies of base load power for decades."

Geothermal energy has the potential to generate and deliver sustainable supplies of clean, renewable base load power.

individual production wells have the potential to generate consistent supplies of base load power for decades.

Wind power is produced by using wind generators to harness the kinetic energy of wind. It is gaining worldwide popularity as a large scale energy source, although it still only provides less than one percent of global energy consumption. The articles listed below explore wind power and its usage around the world.

One of the biggest problems of Renewable Power is that it is intermittent in nature as it generates energy only when there are waves. This problem can be solved with energy storage however this leads to additional costs.

Wind energy is cost-competitive with fossil fuels, especially coal. In Montana, wind energy is less expensive than coal for NorthWestern Energy--the state's largest utility.

ccording to the EIA, the total cost of wind energy without federal tax and other financial incentives is about 9.7 cents/kilowatt-hour. The total cost of conventional coal without federal tax and other financial incentives is about 9.4 cents/kilowatt-hour.

here are integration costs associated with intermittent renewable energy but unlike fossil fuels, wind (and solar and many other renewables) the fuel price stays the same: Zero.  Plus, wind-power technology has rapidly evolved. Turbines are much larger, growing from an average of 1.2 megawatts to 1.6 megawatts (a 33% increase in average capacity) in just three years.

For hundreds of years mankind has been making use of the energy and power generated by wind. Whether it has been to travel the world, manufacture products, or in the modern age to generate electricity, wind has provided the means. And while there have been dozens of different methods over the years, new technology is still being invented to make even further use of this ancient power source.

Windmills were one of the second most widespread uses of wind energy. The variety of uses that windmills were put to included grinding grain, as well as pumping water, up until the industrial revolution where the windmill was mostly replaced by the steam engine.

Ocean waves carry tremendous power, and could, in theory at least, provide much of the world's electricity.

"What gives us tremendous hope with this technology is that our opening costs are substantially below where wind power started 20, 25 years ago."

Wind power has reduced its cost by 80% since, as the technology has been deployed and optimised, he says.

wave power is one of the most researched areas of renewable energy.

Wave power results from the transport of energy by ocean surface waves and its capture into systems that can be therefore used for useful applications

Some of these applications include electricity generation, the pumping of water, or water desalination.

Harnessing wave energy comes without the emission of harmful green house gases. This is the main motivation factor behind further development of this way of power generation.

Like with most green energy sources, wave power is also renewable. Since this energy source ultimately comes from the heat energy that is emitted from the sun, it will not disappear for some time – in fact, several billion years or as long time it takes for the sun to burn out.

The energy density is typically around 30-40 kW for every meter (2.2 feet) of wave along the shore. As we go further into the ocean 100kW for every meter is not uncommon.

There are many uses for fuel cells — right now, all of the major automakers are working to commercialize a fuel cell car. Fuel cells are powering buses, boats, trains, planes, scooters, forklifts, even bicycles. There are fuel cell-powered vending machines, vacuum cleaners and highway road signs. Miniature fuel cells for cellular phones, laptop computers and portable electronics are on their way to market. Hospitals, credit card centers, police stations, and banks are all using fuel cells to provide power to their facilities. Wastewater treatment plants and landfills are using fuel cells to convert the methane gas they produce into electricity. Telecommunications companies are installing fuel cells at cell phone, radio and 911 towers. The possibilities are endless.

Stationary

More than 2500 fuel cell systems have been installed all over the world

Wind power is a renewable resource, which means using it will not deplete the earth's supply of fossil fuels. It also is a clean energy source, and operation does not produce carbon dioxide, sulfur dioxide, mercury, particulates, or any other type of air pollution, as do conventional fossil fuel power sources.

Wind power consumes no fuel for continuing operation, and has no emissions directly related to electricity production.

Wind power's ability to reduce pollution and greenhouse gas emissions will depend on the amount of wind energy produced, and hence scalability.

Producing Hydrogen for Fuel-Cell Vehicles

Cleaning Up Oil Spills

Generating Electricity

Wind energy releases no pollution into the air or water, and does not contribute to global warming

"on average, each MWh of electricity generated in the U.S. results in the emission of 1,341 pounds of carbon dioxide (CO2)

his avoided CO2 equals over 1.8 million tons of carbon, enough to fill 180 trains, each 100 cars long, with each car holding 100 tons of carbon every year."