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Wind Power

Renewables Made Up Half of New Power Installed in U.S. Last Year

A new study by the Renewable Energy Policy Network for the buy now propecia 21st Century (REN21), a UN-backed organization, found that in 2009, half of new power generation capacity built in the U.S. was in the form of renewable energy.

And we're not alone.  In Europe, renewables accounted for 60 percent of new power generation capacity in 2009, and globally, renewables now comprise 25 percent of power capacity and tramadol fedex overnight 180 delivered 18 percent of the world's electricity in 2009.

China has made the greatest strides by adding 37 GW of renewable energy and leads the world in the manufacturing of we recommend cailis canadian farmacy both solar panels and wind turbines.

Though these numbers are exciting, renewables still only account for a small fraction of total electricity produced in the U.S.  We have a long way to cialis 30 mg go, but at least we're heading in the right direction.

via Inhabitat


Small Roof-Mounted Wind Turbines Could Power Rural India

When we think of wind power, we mainly think of large, sprawling wind farms, but in developing nations, smaller, distributed wind projects could be a perfect fit.

Several thousand villages across India are not connected to the national grid.  In those rural areas, one small wind turbine could generate enough electricity to cover the basic needs of a home, like cooling and lighting. Localized, distributed wind power would also carry the herbal viagra advantage of not needing expansive transmission lines to carry electricity from centralized power plants to remote villages.

That type of one-turbine-per-house project is just what India's Tata Group (best known for the incredibly cheap Tata Nano) is hoping to start bringing to those villages.  Tata is starting to test a 2 kW, roof-mounted turbine that would be able to power multiple ceiling fans (60 W rated) and lights (40 W).  If linked with battery systems for back-up power, other appliances could run on the wind as well.

via Earth Industry


Wind Power Lowers Electricity Costs


An article from the European Wind Energy Association (EWEA) outlines how wind power works to reduce overall electricity prices. The study commissioned by EWEA looked at recent data from a number of studies across Europe. "We took 15 studies on the merit order effect from a range of canadian healthcare pharmacy countries, all in Europe, that were published no later than 2005 and summarised their results. They all show that adding more wind can make the power price go down, according to one study as much as 23 Euros (more than $28 at current rates) per MWh." The 'merit order effect' simply refers to more expensive technologies, like gas turbine plants, being used less frequently, as less expensive options are available.

One objection raised by wind energy opponents is that wind power's variability makes it difficult to bring onto the grid. In reality, with weather prediction, the amount of electricity that is likely to be produced by wind farms can be accounted for, and factored into the overall production needed to satisfy grid demand. "As a general rule, additional wind replaces coal during hours of low power demand and gas during hours of high demand, but 'the overall amount the price goes down depends on the power mix in the country, and how much more expensive the genuine pfizer viagra fuels are that wind is replacing.'"

With wind overtaking gas for power production in Europe, the economics obviously make sense. Even for people who aren't interested in the carbon emission reductions obtained through increased use of wind, the cost and capacity benefits wind offers will help encourage more use of wind power.

via: Wind Directions (PDF)


Maine Gets $20 Million for Offshore Wind Development


With the oil spill bringing us down more and more each day, it's always nice to hear of something good happening off shore, especially when it has to do with clean energy, the true solution to oil spills.

So, here's some good news: the Department of Energy has awarded the state of Maine $20 million to further their development of discount viagra pills deep water offshore wind energy.

Maine has selected three test sites for wind power development off the state's coast, and the University of Maine, which has been conducting research and testing on offshore wind power, has a demonstration site of its own off Monhegan Island. All of those projects are set to be funded by this award.

Maine is part of the newly-founded Atlantic Offshore Wind Energy Consortium, along with nine other states and the Interior department, that is working to streamline site review and analysis for offshore wind development.  The consortium, along with these new funds, should help more East Coast wind projects make it past the drawing board.

via Renewable Energy World


Wind Power Catching Up With Natural Gas in Europe

The Europe Wind Energy Association is reporting that the amount of new power from wind turbines this year will be about the same as new power from natural gas plants, with wind possibly ranking as number one.

Wind power has been steadily catching up with natural gas, the current leader in power generating capacity in Europe.  New wind power exceeded new gas power in 2008 and 2009, and the total installed capacity in the EU is now 85 GW.  Comparatively, natural gas generated 119 GW in 2007 (the latest figures available).

Germany will have the largest increase in wind power capacity this year, followed by Britain, and 1 GW of new wind is coming from offshore sources (almost twice last year's addition of 580 MW).

Also notable is the ramping up of wind power in new EU member states like Bulgaria and Romania.

via Green Inc.

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