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Author Topic: Wind Power  (Read 18516 times)

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Re: Wind Power
« on: November 09, 2013, 03:54:50 pm »

UK Offshore Wind Capacity Rises 80 Percent in One Year

Kelvin Ross, Deputy Editor, Power Engineering International

November 08, 2013

LONDON -- The installed capacity of the UK’s offshore wind sector has risen by 79 percent in a year. In the period from July 2012 to June 2013, capacity increased from 1,858 MW to 3,321 MW, boosted by four huge wind farms becoming operational – Greater Gabbard, Gunfleet Sands III, Sheringham Shoal, and London Array, which at 630 MW is currently the biggest offshore wind farm in the world 

The increase is revealed in a new report, Wind Energy in the UK, compiled by trade group RenewableUK, and it marks the first time in a 12-month period that installed offshore capacity has outstripped onshore, which stood at 1258 MW.

Nevertheless, onshore also saw an increase of new capacity by 25 per cent, bringing its total capacity to 6,389 MW.

Onshore and offshore, a total of 2,721 MW were installed between July 2012 and June 2013, taking the UK’s total wind capacity up from 6,856 to 9,710 MW — a 40 percent increase.  ;D

RenewableUK says that onshore, project sizes are declining overall, “due partly to the growth of the vibrant sub-5-MW market under the feed-in tariff, with projects at this scale now making up two-thirds of new onshore submissions. Other factors include a reduction in the availability of larger sites, and developers’ responses to changes in the planning system.”

However, the report notes that there are concerns within the wind industry about levels of political support and the government’s ambition for the sector, leading to a decline in confidence.
But it points out that despite this, “there is a substantial pipeline of projects under construction, approved but not yet built, and in planning”.

RenewableUK’s chief executive Maria McCaffery said: “We’ve smashed another record in the past year with more offshore wind installed than ever before — the 79 percent increase in capacity within 12 months is a terrific achievement. With onshore expanding by 25 percent, the wind industry as a whole has proved that it has the tenacity to achieve substantial growth.”

Anumakonda Jagadeesh

November 8, 2013

Yes. UK is leader of Offshore wind energy in the world. Though India is 5th in the world in Wind not even a KW Offshore wind turbine is erected! It is indeed a pity. In almost every field, we follow west. The time has come we should be INNOVATORS rather than remain as IMITATORS.I have been advocating Offshore Wind Farms for over a decade in India.

Also Wind Farm Co-operatives on the lines of those in Denmark, Germany etc. in India. A Wind Fund can be created and contributions to it can be exempted by Government of India under Section 80C. This way there will be mass participation in Wind Sector. Hitherto incentives are provided to big wind farm owners like Depreciation. When Private participation in the Renewables is given a big push, India can be a leading country in the Renewables especially WIND.

What is needed are sound policies and political will to push this clean energy. A Good R &D Effort in the Private Industry will help to improve the quality of the Wind Turbines and also accurate micro siting.

In this connection DEWI Micrositing Experience and Research activities have helped to get maximum output at Wind Farms in Germany and elsewhere.

Reliable predictions of the energy yield of wind farms are only possible on the basis of accurate near-site wind speed measurements. The critical aspects are selection of where the tower is to be placed, selection and calibration of anemometers, the height of the met mast and the installation of the sensors on the met mast. DEWI has been specialised in this area for many years and also offers additional services such as site calibration or long-term wind measurements for wind farm monitoring.

Apart from the general economic conditions of a planned project, an accurate measurement of the wind speed is the decisive factor in determining the economic efficiency of a wind farm. An error of 3% in the wind speed measurement can lead to a discrepancy of about 10% in annual energy production. It is therefore absolutely necessary to calibrate an anemometer individually before a measurement campaign; this is offered by DEWI as an accredited service.

DEWI’s Micrositing Department, with its longstanding experience in services and research activities, offers investors, developers and owners a high-quality, reliable data basis for planning wind farm projects worldwide. DEWI offers the whole range of services, from site inspection and analysis of existing wind measurement data to calculation of energy yield and wind farm efficiency and creation and optimisation of the wind farm configuration taking into account all important parameters specific to the site. On request, DEWI experts can also assist in the installation of meteorological measuring equipment and the analysis and checking of existing measurements.

For the simulation of wind and turbulence conditions in complex terrain, DEWI Micrositing offers special 3D CFD (Computational Fluid Dynamics) calculations, which are becoming increasingly important in international projects. This complex, cutting-edge calculation method allows investors, developers and owners to obtain the best possible prediction of the real turbulence conditions at the site.Similar methods can be adopted in India as well and Private Wind Industry should take lead in adopting best technology.

Dr.A.Jagadeesh Nellore(AP),India
Wind Energy Expert
E-mail: anumakonda.jagadeesh Nellore(AP),India


Agelbert NOTE: It appears India is getting on board with the wind band wagon.  ;D

Will India Install Wind Farms off Their Shoreline?
Rob not the poor, because he is poor: neither oppress the afflicted in the gate:
For the Lord will plead their cause, and spoil the soul of those that spoiled them. Pr. 22:22-23


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