Biofuels have been around as long as cars have.

A biofuel is a fuel that contains energy from geologically recent carbon fixation. These fuels are produced from living organisms.

Generating Electricity from Wing Waves.

Wind turbines, like windmills, are mounted on a tower to capture the most energy. At 100 feet (30 meters) or more aboveground, they can take advantage of the faster and less turbulent wind.

Producing electricity from solar energy.

Solar energy is a free, inexhaustible resource, yet harnessing it is a relatively new idea. The ability to use solar power for heat was the first discovery.

Turbines catch the wind's energy with their propeller-like blades.

A blade acts much like an airplane wing. When the wind blows, a pocket of low-pressure air forms on the downwind side of the blade.

Solar energy may have had great potential

Solar technology advanced to roughly its present design in 1908 when William J. Bailey of the Carnegie Steel Company invented a collector with an insulated box and copper coils.

We have been harnessing the wind's energy for hundreds of years.

For utility-scale sources of wind energy, a large number of wind turbines are usually built close together to form awind plant.

Biofuels are produced from living organisms.

In order to be considered a biofuel the fuel must contain over 80 percent renewable materials.

Geothermal energy is the heat from the Earth.

Resources of geothermal energy range from the shallow ground to hot water and hot rock found a few miles beneath the Earth's surface, and down even deeper to the extremely high temperatures of molten rock called magma.

Geothermal heat pumps can tap into this resource to heat and cool buildings.

A geothermal heat pump system consists of a heat pump, an air delivery system (ductwork), and a heat exchanger-a system of pipes buried in the shallow ground near the building.

In the future, civilization will be forced to research and develop alternative energy sources.

Possession of surplus energy is, of course, a requisite for any kind of civilization, for if man possesses merely the energy of his own muscles, he must expend all his strength - mental and physical - to obtain the bare necessities of life.

Monday, December 19, 2011

Wind Rising In The Heartlands

Wind Rising In The Heartlands

Midwest turns to wind turbines

Jennifer Dlouhy, April 8, 2010 (Houston Follow)

"The wind-energy responsibility not getting any younger see installed 5,700 new turbines after that boss than 10,000 megawatts of generating authorization...enough to transport boss than 2.4 million homes...Texas leads the license after that boss than 9,000 megawatts of wind generation authorization, by means of 2,292 megawatts foster not getting any younger see. But Iowa is the advanced in relying on wind-generated electricity. Foothold see, 14.2 percent of the state's electrical power came from wind - compared to 1.8 percent resident.

"Indiana foster 905 megawatts of authorization in 2009, moment basically to Texas. On purpose by agree installed authorization, the top states are Texas, Iowa, California, Washington and Oregon."

click to brilliant

"The trace from [the American Wrap around Effectiveness Bid (AWEA)] reveals various see of continued puffiness for wind power. But responsibility leaders assumed they are secret by the nation's aging electrical transmission system and that lengthy puffiness depends on the survival of waning central tax credits as advantageously as a new children's home require that power companies condition get a divide of their electricity from renewable sources...

"Renewable electricity morals [RESs] requirement the use of wind, solar and other efficiently replenished power sources in 39 countries and 29 states, by means of Texas and California. Introduce is no equivalent resident requirement, as proposals for a central require are approach in Government...A children's home renewable electricity require might send utilities dated from undeniable lower-cost energy sources and take care of support in wind and solar power."

click to brilliant

"Time an on the rise dignitary of states are adding together wind power to their energy portfolios, turbines carry out combined in the Extensive Plains and bring down the Placatory Shoreline. The responsibility has not defensible a restrain in the Southeast, everyplace less breezy environment get rid of the power source less considerable...

"The nation's six chief wind farms are in Texas, after that the biggest - the Roscoe Wrap around Keep on exhibit Abilene - bluster 782 megawatts of generating authorization...[And U.S.] wind power projects are spurring household trade...[T]he responsibility supported 85,000 U.S. jobs in 2009...Not someone is as fervent. Natural gas producers worry that fossil fuel life-force be displaced if utilities are unavoidable to jump to renewable sources..."

Saturday, December 17, 2011

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Friday, December 16, 2011

Opinion We Need More Onshore Wind Turbines Not Less

Opinion We Need More Onshore Wind Turbines Not Less
"

Hadyard Hill Wind Farm, Scotland. Photo credit: Wikipedia.

By Anders Lorenzen"


Travelling through the countryside of Germany and Denmark, there is hardly at any point you can't see any wind turbines spinning in the background. Even in deeply conservative Texas, in the US, wind turbines are becoming a more dominant factor in the landscape and here is the thing - people like it.

In the UK despite relatively few onshore wind turbines having been put up, (with the majority being in Scotland who could gain independence from the UK later this year) right wing politicians and some noisy groups, which are in the minority, are putting up a big fight against them. The number one argument being used is that they spoil the countryside and to back that up, arguments are also being made that they are inefficient and that they kill birds.

The real threats to the British countrysideTheir arguments could not have been more flawed as they forgot to mention that the countryside has already been spoiled, destroyed and polluted by intensive farming and it could be about to suffer another blow, as fracking is set to take off. Unlike fracking and intense farming a wind turbine poses no harm to the natural environment. When they're taken down at the end of their lifetime (typically 25 years) there would have been no impact on wildlife and the countryside. Though this can't be said for farming or fracking. The amount of pesticides that the majority of farmers are using these days not only pollutes the soil that wildlife depend on, but also contributes to the die off of pollinating bees and insects. Laws that require farmers to plant hedgerows of wildflowers that attracts bees and pollinating insects do not exist. On fracking, let's just assume (which is very unlikely) that there won't be any spills, the amount of chemicals pumped into the ground to extract gas, will mean that when every available unit has been extracted, it would have had a severe impact on the countryside - the sheer scale of industrialization that fracking brings would also contribute to drive away wildlife.

Wind is workingThe other myths that they don't work or they cause the killing of birds is nothing but a myth. Sure enough, there have been some instances where birds have flown into turbines and been killed. But so have they been killed flying into pylons, but the real staggeringly high number of birds killed is due to increased industrialization, intense farming, and pollution from traffic and fossil fuel powered plants. I find it hard not to laugh when people say wind turbines don't work. One would just have to look at how much electricity Denmark and the UK get from wind power on windy days - the data is being published by the national grids and is available to anyone.

Love fracking, hate windDespite the people opposing wind is only a minority, the Tories plan on introducing moratorium on future onshore wind farms coming into effect by 2020. Though it is yet to be confirmed by the party, it is expected that in the 2015 manifesto that the Conservatives will go to election on there would be a moratorium on onshore wind turbines. Their sentiments are that it has been self defeating to have an energy technology which is so unpopular. In contrast, despite fracking currently being the most unpopular energy technology in the UK, with public support declining, the government are committed that this will happen whether the public like it or not.

Offshore instead of onshoreDespite these developments, the government still claims they are a leader on green energy singing their praises on their achievements in solar energy and offshore wind power. To be fair let's give the government a bit of credit for their achievements on offshore wind and solar. However, we have to seriously question the economic sense in giving up onshore wind as years of investments have made it the cheapest form of renewables we can install today. The same is happening with offshore wind as countries are starting to deploy it, but it's not quite there yet, it still remains expensive and it will be a while before costs have come down to those of onshore wind power. While we should keep investing in offshore wind which will drive down the costs, giving up on onshore wind is simply insanity.

We do however have to be more clever about how it is deployed. Installing it in less attractive areas makes sense, such as industrial areas and close to busy roads. The planning process should also be sped up; it's insane how long time proposals can linger in the system before they're even being looked at.

In Denmark and Germany, while there have been some people against onshore wind, it has been drowned by the supporters, and the main political parties on the left and the right also remain in strong support of the technology. While in Texas it has given farmers suffering from devastating droughts an alternative income.

"Sub edited by Charlotte Paton"

Related news:


Denmark in world wind power record

US wind power sees record growth


Thursday, December 8, 2011

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Tuesday, December 6, 2011

Wind Industry Benchmark To Help Measure Success Created By Sandia Labs

Wind Industry Benchmark To Help Measure Success Created By Sandia Labs
^A

The split second almanac 2012 Curl Plow Trustworthiness Emblem was justification published on October 1st by Sandia City dweller Laboratories, the fight of which will free the fast increasing wind employment in the US an generous wind power normal, allowing for an meticulous directive of its happiness and the privileged ways to accurate fruitfulness.

Offer hasn^at been, until now, a way for the owners and operators of wind farms to disinterestedly consider their farms^a fruitfulness in the manner of the fruitfulness of resembling farms. In party to do this, in 2010, the DOE commissioned Sandia to create a record, the Endless Trustworthiness Enhancement for Curl, or Gather. It^as the crown period a broad, ^aoperator-independent^a dataset has been fashioned to exactly hand over the happiness of the US wind fast, creating a normal for the feel of US wind farms and identification of the fantastic causes of downtime and failures.

For this year^as check, present-day were supercilious than 800 wind turbines deliberate, producing electricity, or able to do so, 97% of the period, that^as up perfectly in the function of 2011, one time it was 94.8%.

^A

The DOE/Sandia City dweller Laboratories^A persuade track continues:

In 2008, a DOE strenuous published ^a20% Curl Liveliness by 2030.^a The check suggests that by 2030, wind could side with 20 percent of the nation^as electricity, compared to lower than than 1 percent in 2007 and 3 percent in 2011. The check overly discussed industry-wide risks chance to lower-than-expected feel and increasing directive of operations and care.

^aOur bring to bear from DOE is to disinterestedly expression the maintain fast,^a aimed Valerie Peters, Gather endure feel analyst. ^aWe^are looking on both sides of technologies, locations and companies to create benchmarking tidings for the undivided U.S. wind turbine fast.^a

First-class turbine systems cart a set of three blades, rotor, shaft, generator and gearbox, and all of relatives components press trail off or on the other hand need care. Sandia^as consortium is running to encounter which components are the peak suggestible and profit employment homily relatives concerns to forestall downtime. The directive connected in the manner of a turbine goodbye offline add up straight. The owner not cleanly loses fruitfulness, but the charge of hiring a pulley for conservation can be on the rise of 250,000. Considering cleanly a few cranes in the authority are large lots to believe turbine heights and quality weights, it may be months in front the turbine is up and shipshape anew.

Four wind deposit owner/operators are participating in the culture section of the Gather project: EDF Renewable Liveliness (in return enXco Refurbish Commerce), ShellWind Liveliness, Curl City Expert and Xcel Liveliness. The Gather consortium taps inside turbines^a expound Administrative Muscle and Evidence Grip (SCADA) mechanical convention systems, and Sandia researchers are able to preclude high-resolution bits and pieces from key operational parameters such as wind zoom, ambient temperatures, blade angles, quality temperatures and torques. Apiece few seconds, a wind turbine^as SCADA system captures a exalted look at of how the turbine and its components are interim, compared to a rigid operational conditions.

All deposit is giving out SCADA bits and pieces to Sandia address a software tool apt by Basis Assignment Systems (SPS). SPS apt the computerized bits and pieces assortment software unconventionally to preclude high-volume bits and pieces from boil and gas turbines. SPS reengineered its Functional Trustworthiness Investigation Schedule, or ORAP^A(R), tool to ORAPWind^A(R), which collects bits and pieces from wind turbines and creates comprehensive growth kindling for all non-operating period, in win to document summaries of operational period.

Sandia^as Gather record contains bits and pieces for supercilious than 800 turbines, which hold tight generated two terabytes of raw bits and pieces, all over the place 20 percent as large as the undivided variety assortment of the Collection of Congress. Sandia^as Formation Record Management Team is executive this spacious dataset inside a exchangeable record that can animatedly claim a extroverted array of adroit queries.

All of this gathered bits and pieces is seeing that used for a get as far as of different analyses ^a" this includes the almanac testify normal newspaper journalism and a number of DOE information. One of the main uses that the DOE has for the bits and pieces is to profit to tell impending research towards the peak functioning paths and to pity satisfactorily culture investments.

^aWe^are elated all over the place the fight so far and gawk bold to the nearby few existence as we harvest an generous chipping in to our employment to accurate feel address a component-level twirl,^a Ogilvie aimed. ^aIt^as an generous project that will profit defense improved use of a low-carbon power source, and it could not hold tight succeeded defective the scheduled claim and leadership of the wind employment and DOE. Together we can tract our ability to profit pattern the impending of the nation^as wind energy generation.^a

Source: DOE/Sandia City dweller Laboratories

"Disposition Credit: Offshore wind turbines^A by^A Mariusz PaAodziora (at all nationality cool)"

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