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THE Wind Power Thread pt 3 (merged)

Discussions of conventional and alternative energy production technologies.

THE Wind Power Thread pt 3 (merged)

Unread postby Graeme » Fri 31 Jan 2014, 19:28:56

AWEA: More than 12,000 MW of wind power under construction

Although wind power installations were considerably lower in 2013 than 2012, there is currently more wind power capacity under construction in the U.S. than ever in history, according to the American Wind Energy Association (AWEA).

According to AWEA’s U.S. Wind Industry Fourth Quarter 2013 Market Report, more than 10,900 MW of capacity started construction activity during the fourth quarter of 2013, and more than 12,000 MW of capacity are under construction.

Wind power capacity installations in the U.S. dropped to 1,084 MW in 2013, which is a 92 percent reduction from the 13,131 MW installed during 2013. According to AWEA, the drop-off can be attributed to the late extension of the production tax credit and investment tax credit.


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Re: THE Wind Power Thread pt 2 (merged)

Unread postby Shutter24 » Sat 01 Feb 2014, 01:18:51

Speaking of wind power, wind turbine or whatever you may call it. There was a great deal for more wind power online websites are increasing these days and for valid reason. There is a ton of potential to harness a never-ending natural source, the wind itself, to create a lot of electricity on the significantly cheap.
Last edited by Tanada on Sat 01 Feb 2014, 07:45:53, edited 1 time in total.
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Re: THE Wind Power Thread pt 2 (merged)

Unread postby Ulenspiegel » Sat 01 Feb 2014, 03:02:10

sparky wrote:.
Thing are not so good in the most alternative of the developed countries

Gone With the Wind: Weak Returns Cripple German Renewables
http://www.spiegel.de/international/bus ... 46367.html

The only thing keeping the wind farms from bankruptcy is the very generous green government subsidies
now being severely cut as being "unsustainable"


You must be desperate if you have to use the weakly weekly "Spiegel" as "technical" reference. Take the windmonitor instead, or publications of the DEWI, both are in English. :-)

People make of course money with wind power, most of the onshore capacity produces already cheaper than new conventional power plants, that is actually the rason no new coal power plants are in the pipeline. The economic situation for new coal capacity is dire.

The changes are about selling the product, not longer a simple FIT system but the requirement of direct marketing etc., this was already the case for 50% of the new capacity in the last years. However, for a farmer with one turbine this means more adminestrative work, the lobbyists of the large utilities want to decrease the repowering rate.

Or you could check the situation in Austria, a country with already 60% electricity from hydro power and with worse wind resources than northern Germany: They get the same FIT (9 cent) for only 13 years and we see record installations the last years, per capity more than in Germany or the USA.
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Re: THE Wind Power Thread pt 2 (merged)

Unread postby Tanada » Sat 01 Feb 2014, 07:47:34

I have been surfing around looking for a vertical axis residential turbine in the 1 to 2 kWe size range since my spouse and I discussed it earlier this week without much luck, any suggestions?
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Re: THE Wind Power Thread pt 2 (merged)

Unread postby Newfie » Sat 01 Feb 2014, 08:59:57

Tanada wrote:I have been surfing around looking for a vertical axis residential turbine in the 1 to 2 kWe size range since my spouse and I discussed it earlier this week without much luck, any suggestions?


I haven't heard good things about the vertical designs. While I can't find the link at the moment I have read a review that said they were much less efficient that conventional designs.

Here is one link.

http://blogs.scientificamerican.com/plu ... -failures/

While not directly addressing vertical designs, here is a bit on wind generators for sailboats. The entire two part review is behind a pay wall. If interested I can PM you more info.

Conclusions

Based on our research (including the most recent data that we’ll report next month), a large-diameter, three-bladed unit is a good choice if maximum potential output is a chief concern. Small-diameter units can’t be written off, however. If low noise, small size, and a low cut-in speed (for low wind areas) are your first priorities, these units have much to offer.

Three of the units in our most recent test & emdash;the Superwind 350, the Air Breeze, and the Kiss High Output&emdash;had best days of 88-115 amp-hour production. Worst days were less than 10 amp hours. This is enough, or nearly enough, to meet the average amp-hour requirements aboard a modern cruising boat fitted with a watermaker and refrigeration.

Despite these persuasive numbers, our evaluations and experience in the field indicate that relying on a single wind turbine for one’s primary energy source is not the most sensible way to optimize for efficiency, particularly while under sail, when the rocking motion of the boat further inhibits performance. Solar panels have no moving parts, are durable, and in many ways are better suited for a lifestyle that tends to follow the sun. With the assistance of today’s Multi Point Power Tracking Technology (See "Boosting Solar Panel Output," Chandlery, August 2006), a single, 80-watt solar panel can replenish as much as 60-80 amp hours on an ideal summer day. Wind turbines, in our opinion, should be regarded as a viable option for a cruising sailboat with high energy needs to supplement its solar panels, genset, or high-output alternator&emdash;not as the ultimate solution to onboard energy production. Next month, we’ll take a close look at the performance and features of each of the units.


Here is some more info. Much here (Practical Sailor) is not pay walled.

For most U.S. sailors contemplating investing in renewable energy sources for the first time, it makes sense to buy a solar panel before a wind generator. For about $700, you can buy a pair of 60-watt panels that can generate about 240 watt-hours or 20 amp hours (assuming four hours of peak sunlight). This won't cover the amp-hour requirements of a modern cruising boat, however. (To roughly convert a solar panel's watt rating to amp-hours per day, marine technical author Nigel Calder offers the formula: amp-hours per day at 12 volts = the panel's rated wattage ÷ 3.) Although wind generators can deliver more than double this output during a 24-hour period, many U.S. anchorages and marinas don’t have the consistently breezy conditions they require to reach their potential. That conclusion was borne out during our long-term test of five models on a hilltop in Rhode Island, a relatively windy U.S. location, during the mid-1990s. Testers then came to the dismaying conclusion that over the long haul, an average 50-watt solar panel would outperform the units we tested.

Results were different in 2007, when we simultaneously tested five wind generators through a breezy Chesapeake Bay winter. The results of that wind generator test (accessible only to subscribers) and an article on choosing a wind generator based on that test offer a more optimistic view of wind energy. As the results of the 2007 test demonstrate, in windy areas such as the Caribbean, wind generators can do a much better job of keeping up with the demands of 12-volt refrigeration, usually the biggest energy hog on a cruising boat.
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Re: THE Wind Power Thread pt 2 (merged)

Unread postby Graeme » Tue 04 Feb 2014, 15:53:51

After Poor 2013, American Wind Expecting Big 2014

The American Wind Energy Association has released its latest report, detailing the American wind energy industry’s response to the extension of the Production Tax Credit in 2013.

According to the U.S. Wind Industry Fourth Quarter 2013 Market Report, the industry started work on an “historic and unprecedented number of new wind farms”.

“These results show the Production Tax Credit continues to be an effective and efficient policy, driving billions of dollars in private investment into our economy, fostering a new U.S. manufacturing sector, and creating economic benefits for communities across America,” said AWEA CEO Tom Kiernan as the American Wind Energy Association (AWEA).


After a dismal 2013, which saw a 92% reduction in new wind generating capacity brought online — dropping from the record 13,131 MW of new capacity in 2012 to only 1,084 MW in 2013. However, according to the AWEA, “the industry quickly rebounded, signing a record number of Power Purchase Agreements and getting projects under construction in the fourth quarter.”

“Our current growth demonstrates how powerful the tax credit is at incentivizing investment in wind energy,” Kiernan said. “Now it’s up to Congress to ensure that growth continues by extending this highly successful policy.”

The AWEA pulled five specific highlights from the report:

At the end of 2013 there were more U.S. wind power megawatts (MW) under construction than ever in history: Over 12,000 MW of new generating capacity was under construction, with a record-breaking 10,900 MW starting construction activity during the fourth quarter. The wind projects under construction could power the equivalent of 3.5 million American homes, or all the households in Iowa, Oklahoma and Kansas.

A record number of long-term power purchase agreements (PPAs) were signed in 2013. At least 60 PPAs for nearly 8,000 MW were signed by utilities and corporate purchasers, of which 5,200 MW have not yet started construction.

Some of the states poised for major growth in wind energy in coming years include Texas, Iowa, Kansas, North Dakota, and Michigan.

There are now over 5,600 MW of turbine orders placed, with major manufacturing facilities active in places such as Colorado, Kansas, Iowa and South Dakota.

U.S. manufacturing production capacity has ramped up dramatically, and the largest turbine order in history of the U.S. wind industry was placed in the Fourth Quarter.


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Re: THE Wind Power Thread pt 2 (merged)

Unread postby Graeme » Fri 07 Feb 2014, 16:44:41

Five tips for picking small wind locations

There are five major approaches to pick a good wind location. The first approach is to use free online wind maps, such as ones offered by small wind associations, airports or the map companies. You will only get general wind information in the area.

The second approach is to use subscription-based online wind reports. For example, you can generate an Osiris 10 wind report for your customer using New Roots Energy by picking Osiris 10 turbine, inputting tower height and your customer’s address. The wind speed is populated and the power production is calculated based on manufacturer verified power curves.

The third approach is to use a comprehensive online wind analysis services. Wind Analytics claims that a recent study from Energy Trust of Oregon found that Wind Analytics is up to eight times more accurate than other wind mapping solutions. It performs site-specific obstruction analysis, recommends turbine location and tower height for a recommended turbine.

The forth approach is to test the real wind speed at customer property using anemometer over a period of time. Some states may offer anemometer loan program.

The fifth approach is to use consulting services including actual site visits. I enjoyed reading a 23-page Wind Turbine Site Assessment Report developed by CS2 Renewable Energy in Illinois for a school project. There are many of such services available in different states.


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Re: THE Wind Power Thread pt 2 (merged)

Unread postby Graeme » Wed 12 Feb 2014, 19:31:00

Wind Power Is Boring; This Isn't

Wind has become so predictable and commonplace that it's hard to imagine where all the U.S. turbines could be hiding -- currently enough to power more than 12 million homes. Fortunately, we don't have to imagine anymore.

Click on the image below to check out a new data visualization by the U.S. Geological Survey (a group of data junkies with a boring name). It's a map of the U.S. with pins dropped on every single known wind farm. Those dots you see? Zoom in using the magnifying glass in the upper left corner and they will explode into more dots. Zoom in further and those dots will become massive wind turbines.


Image

Behold, America's mountains and farmlands, cities and towns in all their renewable wind-powered glory. Not boring.


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Re: THE Wind Power Thread pt 2 (merged)

Unread postby Surf » Sat 15 Feb 2014, 00:42:20

I
have been surfing around looking for a vertical axis residential turbine in the 1 to 2 kWe size range since my spouse and I discussed it earlier this week without much luck, any suggestions?


Rather than looking for vertical axes turbine I think you should ask these questions:
1 how good is your wind resource?
2. How much power will you need from your turbine
3. How tall will the tower need to be for the above turbine. For best performance it is recommended that the turbine be at least 30 feet taller than the tallest nearby tree or building.
4. Will your local building codes all the tower and wind turbine. Typically the answer is no if you live in a city.

You might want to look at these sites:
http://barnardonwind.com/2013/02/23/why-arent-vertical-axis-wind-turbines-more-popular/
"This site explains why you cannot find a lot of information (other than marketing) about vertical axis wind turbines and in the end states:

Testing by the Sandia Lab confirms all of the above in side-by-side tests of VAWTs and HAWTs, finding that VAWTs will produce 15-25% less electricity for the same swept area with likely higher costs. [11]


https://www.awea.org/Issues/Content.aspx?ItemNumber=4638&navItemNumber=727
http://bergey.com/wind-school/residential-wind-energy-systems

The last link is a page on the Bergey.com, a well respected manufacturer of small horizontal axis wind turbins. There site has a lot of good information on it and they could help you answer many of your questions and even install a wind turbine on your property.
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Re: THE Wind Power Thread pt 2 (merged)

Unread postby Graeme » Sat 15 Feb 2014, 15:16:41

AWEA Report Finds That Wind Turbines Save Money

A new white paper report finds that wind energy is keeping electric bills low for American homes and businesses, thanks to plummeting wind energy costs driven by technological improvements. The report was compiled by staff at the American Wind Energy Association and uses publicly available data and more than a dozen studies from government, utility, and other independent sources to explore how wind energy affects consumers’ energy bills.

A major highlight of the report pulls from just-released Department of Energy data showing consumers in the states that use the most wind energy have fared much better than consumers in states that use less wind energy.

American consumers in the top wind energy-producing states have seen their electricity prices actually decrease by 0.37 percent over the last 5 years, while all other states have seen their electricity prices increase by 7.79 percent over that time period. The following chart summarizes how consumers have fared in states that produce more than 7 percent of their electricity from wind (Texas, Wyoming, Oregon, Oklahoma, Idaho, Colorado, Kansas, Minnesota, North Dakota, South Dakota, and Iowa) relative to other states.


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Re: THE Wind Power Thread pt 3 (merged)

Unread postby Graeme » Sun 16 Feb 2014, 15:47:46

Earth Wind Map - beautiful, delicate and - oh so revealing

The Earth Wind Map is an amazing project to visualize global weather conditions carried out by Tokyo based software engineer Cameron Beccario, resulting in a beautifully mesmerising depiction of the earth's winds. Weather data is produced by the Global Forecast System (GFS), operated by the US National Weather Service. Forecasts are produced four times daily and are up-to-date, providing an astonishing picture of our planet and its winds.


In detail, a gentle breeze is shown by a thin strand of green, while strong winds are bright yellow. The strongest currents are bright red.

Users can drag the globe to their desired location and click on the spot they want to find out what the wind speed is.

Users can also zoom in on the currents, which are colour-coded to show the severity of the wind. The detail is quite extraordinary. A region that looks calm at a glance is seen to be rippling with winds on closer inspection, using the mouse wheel to zoom in.


To access the 'Earth Wind Map', click here. Navigation is a matter of exploration.

Watch the video to learn more about how it works:


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Re: THE Wind Power Thread pt 3 (merged)

Unread postby Graeme » Fri 21 Feb 2014, 16:16:17

New research blows away claims that ageing wind farms are a bad investment

Wind turbines can remain productive for up to 25 years, making wind farms a good long-term choice for energy investors, according to new research.

The UK has a target of generating 15 per cent of the nation's energy from renewable resources such as wind farms by 2020. There are currently 4,246 individual wind turbines in the UK across 531 wind farms, generating 7.5 per cent of the nation's electricity.

There has been some debate about whether wind turbines have a more limited shelf-life than other energy technologies. A previous study used a statistical model to estimate that electricity output from wind turbines declines by a third after only ten years of operation. Some opponents of wind power have argued that ageing turbine technology could need replacing en masse after as little as ten years, which would make it an unattractive option in economic terms.

In a new study, researchers from Imperial College Business School carried out a comprehensive nationwide analysis of the UK fleet of wind turbines, using local wind speed data from NASA. They showed that the turbines will last their full life of about 25 years before they need to be upgraded.


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Re: THE Wind Power Thread pt 3 (merged)

Unread postby yellowcanoe » Fri 21 Feb 2014, 16:46:23

Hydro electric generation equipment can last for many decades so I don't see any reason why we would not be able to build wind turbines with a long life. Wind turbines have gotten a lot bigger since the early wind farms so it may make sense to replace small turbines with new models. I think we are reaching the point of diminishing returns in regards to turbine size so all wind turbines built now should be designed to have a long life. It is very much in the interest of wind farm developers to build turbines with a long life as it should give them a better return on their investment in the long run.
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Re: THE Wind Power Thread pt 3 (merged)

Unread postby Graeme » Sun 23 Feb 2014, 16:00:33

The Wind Turbine Has Been Reinvented And Is 600% More Efficient Than Current Design

This wind turbine makes use of funnels and tubes to harness wind energy. The Invelox turbine is capable of harnessing wind energy from winds which are as slow as 2mph and that is made possible by directing the wind into a funnel and then channeling it via a tube to the generator of turbine located on ground. Usually the wind turbine generator is situated on top of the tower. However, Invelox keeps the generator on ground and directs wind to it. The other obvious difference being that in conventional methods, wind energy is harnessed when it passes through the blades. With this design, that wind is captured via a funnel that leads to the generator.

So how is it done? Basically, the wind is made to pass through a passage which tapers along the way and hence, accelerates. This induced kinetic energy is then used to run the generator. The effect is known as ‘jet effect’ and is achieved by forcing the wind to blow down a passage which narrows at the end. The end result is wind with increased velocity but low pressure. The technique is known as Venturi Effect and as per Sheerwind, by employing this technique, the wind turbine can operate even when the wind blows at 2mph.


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Re: THE Wind Power Thread pt 3 (merged)

Unread postby Graeme » Thu 27 Feb 2014, 15:36:11

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Re: THE Wind Power Thread pt 3 (merged)

Unread postby Graeme » Tue 04 Mar 2014, 19:26:55

First Wind Makes $600,000 Community Benefit Payment as Early Construction Activity on Oakfield Wind Continues

First Wind, an independent U.S.-based renewable energy company, announced today that it has made the first payment to the town of Oakfield in the amount of $600,000 as part of the community benefit agreement. Situated about 2.5 miles from the center of Oakfield in Aroostook County, Maine, early construction on the 148 megawatt (MW) project began in late 2013. The Oakfield project will provide $12 million in community benefit payments over the next 20 years. In addition to the community benefit payments, First Wind is also scheduled to make about $15 million in tax payments over the next 20 years.



First proposed in 2008, the Oakfield Wind project received unanimous approval from the Maine DEP in January of 2012. In 2011, town of Oakfield residents voted 81-21 to approve the tax and community benefit agreement. The power that will be generated by the Oakfield Wind project is contracted to be sold to Massachusetts customers of four utilities as part of a 15-year contract, and will generate enough clean energy at cost-competitive rates to power about 50,000 homes.

Major construction of the project is expected to start later this year, with a completion and generation date predicted for 2015. Vestas will supply the 48 V112 turbines with a capacity of 3.075 MW each to the Maine project.

Other communities along the planned power line or “generator lead”, which will connect the wind project to the New England electrical grid, will also receive tax revenues from the project.


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Re: THE Wind Power Thread pt 3 (merged)

Unread postby KaiserJeep » Wed 05 Mar 2014, 07:59:38

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Resistance is Futile, YOU will be Assimilated.

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Re: THE Wind Power Thread pt 3 (merged)

Unread postby Tanada » Wed 05 Mar 2014, 10:17:32

It didn't work out too well for Don Quixote in Cervantes depiction of him either.
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Re: THE Wind Power Thread pt 3 (merged)

Unread postby Graeme » Thu 06 Mar 2014, 17:06:51

US States Boosting Wind Energy Output, Pipeline Filling Up

Wind energy continues to improve its standing in the U.S. energy footprint, generating over 167,000 MWh in 2013 and accounting for more than four percent of electricity generation, according to the latest information from the Energy Information Administration (EIA) and American Wind Energy Association (AWEA). Wind energy also has represented 30 percent of all new generating capacity over the last five years.

The data builds on AWEA's 4Q13 market review with the EIA's December generation data, and is a preview of AWEA's full annual market update in early April.

"We knew there'd be a big jump" showing wind energy uptake over the past year, given how much wind capacity was built out and completed at the end of 2012 and given a full year of generation under its belt, explained Elizabeth Salerno, VP of industry data and analysis.

Nine states now get more than 12 percent of their electricity generation from wind power, and 17 states top 5 percent. Iowa and South Dakota still rank 1-2 in U.S. wind energy generation, increasing their production in 2013 from ~24 percent each to more than 27 percent and 26 percent, respectively. Kansas leapt from 11.4 percent wind contribution to more than 19 percent, after doubling its wind energy output in 2012, and other big climbers on the list included Idaho (11.3 percent to 16.2 percent) and Oklahoma (10.5 percent to 14.8 percent). Texas continued to shine -- generating nearly 36 million megawatt-hours of wind energy in 2013, enough to power 3.3 million homes -- as the completed CREZ transmission lines are finally enabling new capacity development in the panhandle to be delivered to load centers in Dallas and Houston. California increased its wind generation contribution to 6.6 percent, which is "pretty incredible" for a state with such heavy load and demand, she said.


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Re: THE Wind Power Thread pt 3 (merged)

Unread postby Graeme » Mon 10 Mar 2014, 16:07:56

Make Consulting releases First Quarter of 2014 Global Wind Power Market Outlook Update

The First Quarter of 2014 Global Wind Power Market Outlook Update recently released by Make Consulting details a market forecast for more than 50 key and emerging markets for wind power from 2014 to 2023. The forecast data include a split of expected onshore and offshore developments and an analysis of the latest order and pricing trends.

Key points regarding the expanding wind power market:

2013 only saw an addition of 34.5 GW of grid-connected wind capacity worldwide, which is a global market decline of 26% compared to 2012. However, a 40% growth is anticipated for 2014.

Global growth is expected to remain steady through 2017, with an average year-over-year growth of 2% from 2014 to 2017, before growing 5% on average annually from 2018 to 2023.

South Africa, Saudi Arabia, Ukraine, and Russia all have emerging markets at the forefront of capacity additions and all play a key role in continued growth beyond 2020.

The European offshore sector is on track to set a record for new connected capacity in 2014, while the global offshore outlook of almost 20% CAGR from 2013-2023e depends on China achieving its aggressive targets.

Firm orders are up 45% year-over-year, and global pricing shows signs of an increase as well.


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