Group items matching

in title, tags, annotations or url

The LA Times has an article on a new report noting that wind power could meet the entire electricity demand in the US - Wind turbines could more than meet U.S. electricity needs, report says. Wind turbines off U.S. coastlines could potentially supply more than enough electricity to meet the nation's current demand, the Interior Department reported Thursday. Simply harnessing the wind in relatively shallow waters -- the most accessible and technically feasible sites for offshore turbines -- could produce at least 20% of the power demand for most coastal states, Interior Secretary Ken Salazar said, unveiling a report by the Minerals Management Service that details the potential for oil, gas and renewable development on the outer continental shelf. The biggest wind potential lies off the nation's Atlantic coast, which the Interior report estimates could produce 1,000 gigawatts of electricity -- enough to meet a quarter of the national demand.

Global wind capacity increased an estimated 27,051 megawatts in 2008, with cumulative installations up almost 29 percent. The United States led in new installations, surpassing Germany to rank first in wind energy cumulative capacity and electricity generation. Nearly 400,000 people are employed by the wind industry worldwide, though this number could slide in the near term due to project financing difficulties, particularly in the United States. A new snapshot of wind energy trends from Worldwatch Institute analyzes data since 1980 and reveals that for the first time last year, wind power represented Europe's leading source of new electric capacity (with 8,877 megawatts added), well ahead of natural gas at 6,939 MW and coal at 763 MW.

In pursuit of Governor Deval Patrick's goal of 2,000 megawatts of wind power in Massachusetts by 2020, the Secretaries of the Executive Office of Transportation (EOT) and the Executive Office of Energy and Environmental Affairs (EEA) announced a project to install a utility-scale wind energy project on state land adjacent to the Massachusetts Turnpike's Blandford Rest Area. "This wind energy project is good for the environment and it will help create jobs within our clean energy economy." -- Massachusetts Governor Deval Patrick Following studies showing significant wind power potential, the Massachusetts Turnpike Authority (MTA) today issued a Request for Proposals (RFP) to install wind power at the 68-acre site in western Massachusetts.

According to the American Wind Energy Association (AWEA), US wind producers enjoyed another record year of growth in 2008-the third in a row. The country now has an installed wind power capacity well in excess of 21,000 megawatts (MW), enough to supply electricity to over 5.5 million American homes. According to Randall Swisher, AWEA Executive DIrector, "Wind energy installations are well ahead of the curve for contributing 20% of the U.S. electric power supply by 2030 as envisioned by the U.S. Department of Energy."

Denmark's DONG Energy and Siemens today announced they've signed off on "the world's largest offshore wind turbine agreement." Under the pact, Siemens will deliver up to 500 wind turbines for DONG's development of offshore wind energy installations in northern Europe. Once deployed, the turbines are expected to have a total power-generating capacity of 1,800 megawatts.

Research by TU Delft proves that Dutch power stations are able to cope at any time in the future with variations in demand for electricity and supply of wind power, as long as use is made of up-to-date wind forecasts. PhD candidate Bart Ummels also demonstrates that there is no need for energy storage facilities. Ummels will receive his PhD on this topic on Thursday 26 February. Wind is variable and can only partially be predicted. The large-scale use of wind power in the electricity system is therefore tricky. PhD candidate Bart Ummels MSc. investigated the consequences of using a substantial amount of wind power within the Dutch electricity system. He used simulation models, such as those developed by Dutch transmission system operator TenneT, to pinpoint potential problems (and solutions).

BTM Consult has released its 14th annual update on the status of the international wind power industry. According to the reports, 2008 saw the highest ever level of wind turbine installations. With 28,190 megawatts (MW) of new capacity installed, the growth rate was 42% compared with 2007, resulting in a cumulative worldwide total of 122,000 MW. Although it will be impacted by the current economic crisis in 2009 and 2010, the future looks bright for the wind power industry, BTM said. The report's five year forecast up to 2013 projects significant growth. Over the past five years the average growth in annual new installations has been 27.6 % per year. In the forecast up to 2013 an average annual growth rate of 15.7 % per year is expected. More than 200 GW of new wind power capacity could come on line before the end of 2013.

- Installed capacity in China's wind power sector will grow 64 percent this year to 20 million kilowatts, organizers of the 3rd China (Shanghai) International Wind Energy Exhibition and Symposium 2009 forecast Friday. Installed capacity grew 105 percent last year. Chinese industry experts believe that by about 2020, wind power will likely surpass nuclear power as China's third-largest source of electricity, after thermal and hydro power. Wind power comprised 1.5 percent of China's total installed capacity in 2008, when the country became the world's fourth-largest wind power market.

Grist has a post on new ideas for improving wind power technology, pointing to a Tyler Hamilton "Clean Break" column in the Toronto Star - Wind turbines get fancy. Solar energy sucks up a lot of research attention, partly because solar energy systems still have so much room for improvement. Wind turbines, on the other hand, have been around for over 1,000 years, and although the modern versions are vastly larger and more efficient than their ancient counterparts, the basic concept hasn't changed much. But the standard blades-on-a-horizontal-axle version of wind energy systems (as opposed to more exotic flavors like kites or blimps) may yet be poised for some big leaps forward, several of which were profiled in a recent Clean Break column.

I must admit that I have been a bit nonplussed to see that the peak oil community seems to share the oil industry's dismissal of wind power as irrelevant and useless in the face of the currently energy challenge (maybe I am unfairly judging from a few individuals' comments, but it's definitely an existing undercurrent in the community). So, in reaction, let me put up here a few arguments that suggest that wind could play a major role in solving our current energy woes - not a silver bullet, but rather more than a side show. First, the "wind is too small to make a difference" argument: well, so was nuclear, until it got big enough. Wind is following the exact same growth trajectory [as shown below].

Winds rush through the capital city of China, blowing dust storms that envelop it in grit from the encroaching Gobi Desert each spring. Last year, the government finally took advantage of those winds, installing 33 wind turbines manufactured by domestic company Xinjiang Gold Wind at the Guanting wind power field to harvest this energy and use it to supplement the electricity provided by polluting coal. Those suburban turbines began turning in earnest on January 20, providing 35 million kilowatt-hours of electricity to Beijing through July, or roughly 300,000 kilowatt-hours a day.

TreeHugger has a post on micro-wind power devices for the home - Hot Home Wind Turbines You Can Actually Buy, Plus One You Wish You Could. Though solar panels definitely hog the renewable energy stage when it comes to home installations, a number of new, innovative wind turbines have entered the market in the past couple of months. Not all of these are intended to be mounted on your roof, some you'll need a bit of a yard (and a dearth of neighbors) to install and they vary in price from affordable to "when am I going to actually pay this off?", but they all go to show that there's more than one way to harness the wind to generate electricity. Check 'em out...

Not sure whether a wind turbine on your property would generate enough energy to be worth the effort? Stew no more: the Carbon Trust has launched a new "Wind Yield Estimation Tool" on its Website. The tool lets users calculate their annual mean wind speed, potential energy generation and carbon savings based on postcode, landscape and type of wind turbine. According to the Carbon Trust, the tool is the "most rigorous of its kind" and is based on 30 years of data from the Met Office's 220 weather stations.

The Next100 blog has a post on expanding wind power in California and how advances in mapping wind resources are helping the industry grow - Let It Blow. Solar power is, if you'll pardon the pun, easily the hottest sector of the electric generation market today in terms of public interest. But if California is going to achieve the widely proposed goal of acquring a third of its electrical energy from renewable sources by 2020, wind energy will almost certainly be the flagship carrier of the renewable power industry. Forecasts indicate that achieving the 33% renewable goal would require ramping up wind energy from 2,100 megawatts in 2006 to at least 12,500 MW by 2020. Solar, by contrast, would likely grow from 330 MW in 2006 to 6,000 MW in 2020.

The UK's seas could provide enough extra wind energy to power the equivalent of 19m homes, according to an assessment by the government. The government's strategic environmental assessment (Sea) confirmed projections that an extra 25GW of electricity generation capacity could be accommodated in UK waters. This would be in addition to the 8GW of wind power already built or planned offshore, bringing the potential total electricity capacity of offshore wind to 33GW - enough to power every household in the UK.

The Canadian Wind Energy Association (CanWEA) released its strategic vision for wind energy development during its 24th Annual Conference and Trade Show taking place this week in Vancouver. The plan, Wind Vision 2025 - Powering Canada's Future, cites rapidly rising energy costs, reducing the country's environmental impacts caused by current electricity generation, the need to quickly build more electricity generation to keep up with rising demand and the need to build a more robust transmission system a key drivers for the adoption of wind technology.

A home wind turbine already installed at 250 sites in Scotland is now being sold across the pond. Cascade Engineering said Monday the Swift wind turbine, for homes and other buildings, is available in the U.S. and Canada. (Credit: Cascade Engineering) The Swift tries to set itself apart from existing small wind turbines with a design that reduces noise. Also, the turbine can be attached to a home, rather than to a free-standing pole or tower. Like other wind turbines, the Swift has blades that turn and power a generator. But rather than the typical three blades, the Swift has five and a ring that goes around them. That "outer diffuser" ring cuts the noise level to 35 decibels and reduces vibration, according to the company.

The Peruvian alternative energy company Iberoperuana Inversiones SAC has commenced construction on a 240 megawatt wind energy farm. It is Peru's first major alternative energy project. Iberoperuana Inversiones plans to invest $240 million in the farm, which is projected to provide clean electricity for an estimated 80,000 families in Peru's southern desert region of Paracas. The wind energy park will be located near the city of Ica (near Paracas National Park and the Nazca Lines) and will be known as the "Parque Eólico San Andrés" (San Andrés Wind Park).

A while back we reported (with some skepticism) a report coming out of China that said they would be producing over 100 gigawatts of wind by 2020, a 1,500% increase. Little did I know that the United States was, at the same time, on track to actually beat that! A report from Emerging Energy Research, a cleantech consulting firm, points out that the U.S. is now the world's fastest growing market for wind power. Last year 5 gigawatts of wind power were installed, and 2008 will break the record again with 8 new gigawatts under construction. The U.S. will shortly be the world's largest producer of wind energy, surpassing Germany's 22 gigawatts.

A MAJOR criticism of wind farms is that they are intermittent. Wind does not blow consistently and, as a result they do not provide a continuous supply of power, but must be backed up by conventional fossil fuel plants. However, a renewables firm believes it has hit on a solution, and is hoping to use it in Scotland. A hydrogen plant would store energy from the wind farm, creating a reserve that could be dipped into on demand, so that even when the wind was not blowing, an electricity supply would be available.