In addition, I have used SPSS and WEKA to forecast the close prices of Siemens.

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Contents
VIT BUSINESS SCHOOL ..................................................................................................................... 3
1. INTRODUCTION TO RENEWABLE SOURCES OF ENERGY ........................................................................... 4
2. WIND POWER ............................................................................................................................................ 4 3. TOP SUPPLIERS OF WIND TURBINE ........................................................................................................... 5
4. INTRODUCTION TO SIEMENS WIND POWER ............................................................................................ 5
5. WIND POWER SOLUTIONS ........................................................................................................................ 6
5.1 OFFSHORE ........................................................................................................................................... 6
5.2 ONSHORE ............................................................................................................................................ 7
6. PRODUCTS OFFERED ................................................................................................................................. 8
7. MARKET SHARE OF TOP WIND TURBINE SUPPLIERS ................................................................................ 8
8. REVENUE OF THE TOP WIND TURBINE SUPPLIERS ................................................................................... 9
9. NUMBER OF EMPLOYEES ........................................................................................................................ 10
10. SPSS FORECAST ..................................................................................................................................... 11
11. WEKA FORECAST ................................................................................................................................... 11
12. CONCLUSION ......................................................................................................................................... 12
13. REFERENCES……………………………………………………………………………………………………………………..…………12

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VIT Business School:
VIT University was established in 1984 by well-known educationalist and former parliamentarian, Dr. G. Viswanathan, Founder and Chancellor. Dr. V. Raju, Former Professor of State University of New York, USA, currently the Vice Chancellor, Dr. Anand A. Samuel, Pro-Vice Chancellor. Chennai Campus is in Vandalur-Kelambakkam Road.VIT University has more than 17 Bachelor’s and 32 Masters’ programmes, 29000 (including 1000 foreign students from 44 countries) and 4000 faculty members Accreditation:  The National Assessment and Accreditation Council (NAAC) of the University Grants Commission (UGC) has accredited the university with a 'A'.  The Institution of Engineering and Technology (IET), and the Energy Institute, UK have audited the teaching-learning processes at VIT and accredited the programmes in 2004, with the highest validity of five years  Programmes at VIT are accredited by the Institution of Engineers, India (IEI).  The Accreditation Board for Engineering and Technology (ABET) of the USA accredited the Civil, Mech, CSE, biomedical, ECE, EEE programmes. VIT Business School, under the aegis VIT University has created a niche for itself as an institution promoting excellence in management education and research with Dr. M J Xavier as its Executive Director.

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1. INTRODUCTION TO RENEWABLE SOURCES OF ENERGY
The idea of drawing our energy from sources that are renewable, are independent of foreign nations, and do not emit greenhouse gases has powerful appeal. But capturing these resources is expensive, and many are intermittent, which complicates using them on a large scale. Learn about renewable sources’ current contributions to our energy supply and their prospects for our energy future. This energy as electricity plays a very important role in today’s life.
Without electricity we are denied healthcare, sanitation services, and the social, educational, economic, scientific, agricultural progress, etc. It comes from many sources. Some of them are renewable and some of them are non-renewable. Renewable energy is an energy that comes from resources which are naturally replenished such as sunlight, wind, rain, tides, waves and geothermal heat.
2. WIND POWER Wind power is the conversion of wind energy into a useful form of energy, such as using wind turbines to produce electrical power, windmills for mechanical power, windpumps for water pumping or drainage, or sails to propel ships. Large wind farms consist of hundreds of individual wind turbines which are connected to the electric power transmission network. For new constructions, onshore wind is an inexpensive source of electricity, competitive with or in many places cheaper than fossil fuel plants.[1][2] Offshore wind is steadier and stronger than on land, and offshore farms have less visual impact, but construction and maintenance costs are considerably higher. Small onshore wind farms can feed some energy into the grid or provide electricity to isolated off-grid locations.Maximum availability of the wind turbine system is secured through the perfect interaction between the various products and systems.
The above figure shows the generation of electricity using wind energy.

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3. TOP SUPPLIERS OF WIND TURBINE
4. INTRODUCTION TO SIEMENS WIND POWER Siemens Wind Power has set itself a clear goal: to lower the cost of generating one Kilowatt-hour (kWh) of onshore wind power to less than five euro cents by the end of the decade. That would put wind power on a par with traditional energy sources. By comparison, a kilowatt-hour of wind power now costs around seven cents, depending on the location in question. Siemens also believes the price of electricity produced by offshore facilities needs to be substantially reduced, since it’s currently around twice as high as the onshore price. The company’s target is therefore to lower the price to less than ten cents per kWh, which would make offshore wind power competitive. “Over the last few decades, the auto industry has optimized vehicle components to such an extent that they can now be manufactured as cheaply as possible”.
Siemens is the only company that manufacturers blades up to 75 meters long as a single component. Thanks to this patented Integral Blade Technology, the rotor blades have no seams, which means there are no weak points. As a result, they can reliably resist wind and weather for at least 20 years. Following is the logo of Siemens Wind Power.
VESTAS
GOLDWIND
ENERCON
SIEMENS
SUZLON GROUP
GE
GAMESA
UNITED POWER
MINGYANG
NORDEX

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5. WIND POWER SOLUTIONS
5.1. OFFSHORE Siemens offers unrivaled experience and reliability in offshore wind power. We have a proven track record in delivering offshore projects, from the world’s first offshore wind farm more than 20 years ago to the largest offshore wind power plant in operation today. All our projects deliver high availability. Optimized processes across the entire project life cycle make us a stable, reliable, and trustworthy business partner. Over the years, our turbines have set the standard for robustness and reliability. Designed with offshore applications in mind, they feature a rugged, structurally conservative design, automatic lubrication systems with ample supplies, climate control of the internal environment, and a simple generator system without slip rings. These and many other high-quality design features provide exceptional reliability, with long service intervals. Our turbines are built to last Siemens G4 Platform 3.6-MW and 4.0-MW geared wind turbines: A powerful evolution of our most popular offshore turbine, with a great choice of technologies. Siemens D6 Platform 6.0-MW direct drive wind turbines: The new standard for offshore wind power plants. Redefining leanness, robustness, and life cycle profitability.

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5.2. ONSHORE Demand for electricity generated from renewable sources is growing fast, and Siemens has the answers. We are one of the world’s leading suppliers of onshore wind power solutions. As one of the market leaders, we combine technological innovations, experience, and expertise to deliver readily available, one-stop solutions and have a proven track record of successfully delivering wind power projects on all continents. This makes us a reliable business partner and preferred supplier for onshore wind power projects around the globe. Over the years, our wind turbines have set the standard for robustness and reliability. Designed with the most demanding applications in mind, they combine high-quality components with a rugged, conservative structure and mechanical systems designed for low maintenance. Fewer unscheduled services, better serviceability, and well-sourced spare parts reduce operational costs. Our onshore wind turbines can help yield substantial capital expenditure savings thanks to their unparalleled electrical capabilities and superior SCADA flexibility, which can help reduce interface costs. The unique NetConverter system, a standard feature of all our onshore wind turbines, allows highly flexible generator operation and can help adapt power output to different grids. SIEMENS G2 PLATFORM 2.3-MW geared wind turbines: Reliable technology, tried-and-tested solutions. With rotor diameters optimized for all wind conditions. SIEMENS D3 PLATFORM 3-MW direct drive wind turbines: Proven innovation in the field of direct drive generators. Hundreds of units already installed and in operation.

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6. PRODUCTS OFFERED Siemens wind power products include 2.3MW turbines with rotor diameters of 82 to 113 m (269 to 371 ft), product codes: SWT-2.3-82; SWT-2.3-93; SWT-2.3-101; SWT-2.3-108; SWT-2.3-113, as well as 3.0MW turbines with 101m rotors, and 3.6MW turbines with 107 or 120 m (351 or 394 ft) rotors. Product codes SWT-3.0-101; SWT-3.6-107; SWT-3.6-120. Also turbines of 6MW direct drive design with a 120 to 154 m (394 to 505 ft) rotor, the design was launched as a product in November 2011. In 2013 Siemens announced a development of its 3.6MW design, the SWT 4.0-130 which used a rotor of diamter 130m with 4MW rated power. At the same time the company introduced new product platform codes for its products, with 'G' indicating geared drive, and 'D' indicating direct drive, suffixed by a number indicating an approximate power class. The four initial product ranges were Siemens G2, G4, D3 and D6.
7. MARKET SHARE OF TOP WIND TURBINE SUPPLIERS
The market share of the top suppliers of wind turbine is analyzed as depicted as a pie chart which is shown below:
MARKET SHARE
VESTAS
GOLDWIND
ENERCON
SIEMENS

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From the figure, it is shown that
 Vestas recaptures the No. 1 position after it lost its leading position to GE in 2012. It occupies 13.1% of the total market 37.478 MW.
 Goldwind ascends from No. 7 to No. 2, by occupying 11% of the total market 37.478 MW.
 Enercon moves up one place to No. 3 by relying on the growth of its home market, to which it supplied nearly half of the turbines installed in 2013 by occupying 9.8% of the total market 37.478 MW.
 Siemens drops one position to global No. 4 in 2013 due to the slump in demand from the U.S., where it traditionally performs well by occupying 7.4% of the total market 37.478 MW.
8. REVENUE OF THE TOP WIND TURBINE SUPPLIERS
The revenue of the top suppliers of wind turbine is analyzed as depicted as a bar chart which is shown below:
The above bar diagram clearly depicts the revenue for the top wind turbine suppliers in billion US dollars. Among them Siemens holds the second place by providing a total revenue of $ 6.87.

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9. NUMBER OF EMPLOYEES
The number of employees of the top four wind turbine suppliers is depicted as the pie chart from the table below:
WIND TURBINE MANUFACTURERS NUMBER OF EMPLOYEES VESTAS Around 17,778 GOLDWIND 5,000-10,000 ENERCON Around 13,000 SIEMENS Around 7,800
Vestas holds the first position by employing around 17,778 employees. Second place is occupied by Goldwind by holding 5,000-10,000 employees. Then comes Enercon holding the third plzce by employing around 13,000 employees. Siemens holds the fourth place by engaging around 7,800 employees.

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10. SPSS FORECAST
The above graph forecasts the close price of Siemens using the predictors lagvolume and lagopen from three months data starting from 27th July, 2014 till 27th September, 2014. The accuracy of the graph is 98.2%
11. WEKA FORECAST
The above graph forecasts the demand of market price for Simens using WEKA by collecting the data for three months starting from July 15th till September 15th. I have even verified the accuracy of the forecasting with the reputed website.
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100
Siemens
estimated

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12. CONCLUSION
This report explains the market analysis of the top wind turbine suppliers (Global). The Pie Charts, Bar Charts, Tables, Weka & SPSS forecast depict the values of the market for 2013. Among the top suppliers, Siemens is specified and compared with the rest in the market for Market Share, Total Revenue, and Number of employees.
13. REFERENCES www.windpowermonthly.com www.en.wikipedia.org www.statista.com www.energy.siemens.com www.industry.siemens.com
For Further details Contact: Dr P James Daniel Paul, Professor, VIT- BS, Chennai, jamesdanielpaul.p@vit.ac.in Tel: +91 44 3993 1040 HP: +91 98402 94590 Jeno Helcy G 14MBA1042 jenohelcy@gmail.com

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