They used
FAR more turbines per MWh produced.
Not exact matches
What's
more, the
turbines would have to be placed
far offshore, where deep water would make construction very expensive.
COPENHAGEN, Oct 12 - Danish wind
turbine maker Vestas said the impending expiry of a U.S. tax credit had exacerbated a fall in orders for next year, forcing it to make
more than 800 job cuts in the United States and Canada so
far this year.
Biello: And they do have some
more aggressive policies than even the U.S. at present as
far as renewable energy goes, whether those who actually realized they have had a lot of problems with kind of wind farms that didn't perform up to expectations, but they do have fairly aggressive targets for how much energy it needs to come from renewable resources like the wind and the sun, they have become the manufacturer, as in all things, for Photovoltaics and the wind
turbine blades that are basically powering the green revolution in the West.
Wind - power engineers are developing new
turbines that are
far more efficient than those built just a decade ago.
Thousands
more will be erected in the next 15 years, and bigger will be better as
far as
turbine makers are concerned.
Despite a few setbacks — the river's powerful flow damaged the rotors and broke off some of the original fiberglass and steel blades — the company has managed to keep two of the
turbines operational, supply electricity to a nearby supermarket and,
more recently, attract $ 8.5 million in funding from sources including the U.S. Department of Energy and the Canadian government to
further develop and test its technology.
These obstacles have delayed, and in some cases nixed, many projects — and so
far, not a single offshore wind
turbine is operating in the U.S. Organizers of Cape Wind, an offshore wind park to be built
more than five miles (eight kilometers) from Cape Cod, Mass., have been battling public opposition and regulatory hurdles for
more than seven years.
> Okey doke; let's agree that windpower is a good thing, generally, that it's desirable that engineering solutions be sought to (
further) minimize and certainly monitor the effect on bird life — especially raptors — and that the «cats kill
more birds than wind
turbines» argument isn't a stellar example of a well - reasoned scientific argument addressing a legit scientific concern.
Jacobson and Delucchi assumed that the bulk of the renewable energy would come from 3.8 million 5MW wind
turbine (that would be 19TW rated capacity) providing half of the global energy demand at 11.5 TW (that is 28 % utilization which seems to be optimistic and the number I read so
far where
more around 10 - 20 % at best).
I accept that noise at a level that could cause physical harm would constitute «pollution» but given that wind
turbine noise is
more of a small background hum at distance of about 400m, that falls
far short of a reasonable threshhold for measurable harm.
It is important to take into consideration that the occasional scattering of wind
turbines is a lot
more aesthetically pleasing than coal - fired power stations, by
far.
Such a change would allow utilities to purchase electricity from wind energy projects in other states, such as Iowa, where wind energy is
more efficient, cheaper, and
turbines can be erected
further away from the residences.
In the Australian context with our very inflammable environment right across SE australia where by
far the bulk of the
turbine farms are located, the almost guaranteed likelihood of
turbine nacelle fires might well be a very major and an ultimately disastrous life destroying fault of wind
turbines as they begin to age and become
more prone to mechanical failure and electrical failures in the nacelles.
Recharge news 5 MINUTES The global wind power industry looks hale, with 54GW added in 2016 and expectations of an annual 75GW market from 2021, says GWEC chief Steve Sawyer The wind industry added a
further 54GW of plant to the grid around the world last year, with
turbines in
more than 90 countries making up a generating base of 486.8 GW,...
Recharge The wind industry added a
further 54GW of plant to the grid around the world last year, with
turbines in
more than 90 countries making up an installed generating capacity of 486.8 GW, according to figures from the Global Wind Energy Council's (GWEC) latest Global Wind Report.
Generally, wind
turbine performance on the West Coast this past spring tended to be lower the
farther north the
turbines are located; wind
turbine performance in Washington was
more than 25 percent below average levels in March, April, and May.
In that time, innovations within the offshore wind industry has led to
more powerful machines being developed, meaning NNG will use
far fewer
turbines than originally envisaged.
Having pioneered the sector as
far back as 1991 and installed
more than 11GW, SGRE boasts the longest track record among offshore
turbine OEMs.
The floating design will allow Statoil to put wind
turbines further out in the open ocean where the winds are much
more consistent and powerful.
Something like this occurred when, in the early 1990s, the Danish government started deploying massive wind
turbines offshore, which produced energy
far more cheaply than the older, smaller ones.
And because they are now 100 meters tall, instead of less than 40 meters, they harvest a
far larger, stronger, and
more reliable wind regime, generating 20 times as much electricity as the
turbines installed in the early 1980s when modern wind power development began.
A single
turbine requires 700-1000 tons of concrete, steel, copper and fiberglass —
far more raw materials than involved with coal or gas - fired power plants, generating equal amounts of electricity
far more reliably and cheaply.
We have
far more electricity flowing into our grids from installed wind
turbines and solar panels than we use in a year to manufacturer and install wind
turbines and solar panels.
As the industry has matured,
turbines have grown larger, making them
far more powerful while at the same time safer for birds and bats.
It is also true that China is building
far more wind
turbines than any other nation on earth, and that China's per capita greenhouse gas production is way below that of Australia.
I like this quote from the article: «Indeed, if maximum employment were the goal of energy policy then having humans push
turbines, a la Conan the Barbarian, would create
far more jobs per kilowatt hour.»
Post-operation, the numbers of bat deaths and bird kills
far exceed what was expected from the wind
turbines, noise complaints are being made
more frequently as a result of
more powerful
turbines, and wind power companies have abused their approvals by removing trees from protected woodlands, for example, or placing
turbines on sites not consistent with the approvals.
Off - shore wind
turbines are expensive, and the
further off - shore the
more expensive they are.
hamy on the 6th may, Shell is very unlikely to invest in water
turbines (wave / tidal) as they are still early prototypes and
far more expensive than Wind, Dberr calc's put them at 4 - 6 times
more expensive than offshore wind!.
On the first morning I thought I might just be able to hear the
turbines, but could not be sure; birds were making
far more noise than the
turbines.
Behn also said
more wind -
turbine projects are in the works in the area, but couldn't discuss
further details.
Communication towers conservatively kill 4 to 5 million birds annually (possibly closer to 40 to 50 million -LSB-...] Cars may kill 60 million birds or
more each year, private and commercial aircraft
far fewer, while wind
turbine rotors kill an estimated 33,000 birds annually.»
Pristine air, as provided by wind
turbines and solar panels, creates
far more wealth than the continuing use of fossil fuel.
We monitor the effects of this installation, gather evidence on wind power generally and
more recently campaign against plans for a
further 28
turbines up to 145 - metres high — the Brechfa Forest West project.
The number of
turbines used in the calculation is to allow for the fact that as one gets
further away from an individual
turbine there are
more turbines at a similar distance to the nearest one.
The country expects to use 10 % less electricity within a decade; all power stations are to be modernised; there's # 30bn for
more renewables; railways will be
further subsidised to lure people out of their cars and away from aeroplanes; plans for
more wind
turbines, photovoltaic electricity and biofuels will all be fast - forwarded; there is # 1,500 m to reduce CO2 in existing buildings; and the solar market is growing by 40 % a year.
Investing in
more U.S. wind
turbines would pay
further economic dividends, such as by creating
more jobs and causing
further reductions in air pollution.