Wind energy has significant potential in India due to its geography and wind resources. India has an installed wind energy capacity of over 21 GW as of 2014 and aims to add 11 GW of new wind capacity by 2017. Wind energy provides environmental and economic benefits by reducing emissions and creating jobs. Key wind energy producing states are Tamil Nadu, Gujarat, Maharashtra, Rajasthan, and Karnataka. The wind energy sector in India is expected to continue growing significantly in the coming years.
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Wind Energy in India: Growth, Potential and Future
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BPLN0507 - Sustainable Urban Development
Wind Energy in Context of India
Assignment Report
BHUPENDRA PRATAP SINGH (2013BPLN010)
9/7/2015
2. Wind Energy in Context of India
BPLN0507 - Sustainable Urban Development | Bhupendra Pratap Singh (2013BPLN010) 2
Introduction
Winds are caused by the uneven heating of the atmosphere by the sun, the irregularities of the earth's
surface, and rotation of the earth. The earth’s surface is made of different types of land and water. These
surfaces absorb the sun’s heat at different rates, giving rise to the differences in temperature and
subsequently to winds. During the day, the air above the land heats up more quickly than the air over
water. The warm air over the land expands and rises, and the heavier, cooler air rushes in to take its
place, creating winds. At night, the winds are reversed because the air cools more rapidly over land than
over water. In the same way, the large atmospheric winds that circle the earth are created because the
land near the earth's equator is heated more by the sun than the land near the North and South
Poles. Humans use this wind flow for many purposes: sailing boats, pumping water, grinding mills and
also generating electricity. Wind turbines convert the kinetic energy of the moving wind into electricity.
Global Growth of Wind Energy
The wind is one of the cleanest sources of energy, and because it is a naturally generated resource, it
is also the most abundant energy source on the planet today. Wind power is energy that is created
through the conversion of wind into forms that are more practically useful, such as electricity. Wind
energy is currently supplying as much as 1% of the world’s electricity use , however the power of wind
energy could potentially supply as much as 20% of global electricity. Wind energy is the most easily
accessed form of energy today, and it is also the cleanest which makes it an affordable and the most
feasible option towards making our earth a greener place.
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2014 was a record year for the wind industry as annual installations crossed the 50 GW marks for the
first time. More than 51 GW of new wind power capacity was brought on line, a sharp rise in
comparison to 2013, when global installations were just over 35.6 GW. The previous record was set in
2012 when over 45 GW of new capacity was installed globally.
Indian Wind Energy
In the early 1980’s, the Department of Non-conventional Energy Sources (DNES) came into existence
with the aim to reduce the dependence of primary energy sources like coal, oil etc in view of the
Country’s energy security. The DNES became Ministry of Non-conventional Energy Sources (MNES) in
the year 1992 and now from 2006, the Ministry was renamed as Ministry of New & Renewable Energy
(MNRE).
The growth of Renewable Energy in India is enormous and Wind Energy proves to be the most effective
solution to the problem of depleting fossil fuels, importing of coal, greenhouse gas emission,
environmental pollution etc. Wind energy as a renewable, non-polluting and affordable source directly
avoids dependency of fuel and transport, can lead to green and clean electricity.
With an installed capacity of 21136.3 MW (March 2014) of wind energy, Renewable Energy Sources
(excluding large Hydro) currently accounts for 13.86 % of India’s overall installed power capacity of
228721.73 MW. Wind Energy holds the major portion of 66.7 % (of 31707.2 GW total RE capacity)
among renewable and continued as the largest supplier of clean energy.
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In its 12th Five Year Plan (2012-2017), the Indian Government has set a target of adding 18.5 GW of
renewable energy sources to the generation mix out of which 11 GW is the Wind estimation and rest
from renewable sources like Solar 4 GW and others 3.5 GW.
(Source:Reportof the WorkingGroup on PowerforTwelfthPlan2012-17, Govt.of India,Ministryof Power)
Fuel Megawatt % Average
Total Thermal 1,91,664 69.5
Coal 167,708 60.8
Gas 22,962 8.3
Oil 994 0.4
Hydro (Renewable) 41,997 15.2
NuclearPower 5,780 2.1
Renewable EnergySources 36,471 13.2
Total 2,75,912
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Geographic Locationand Wind Potential
The potential is far from exhausted. It is estimated that with the current level of technology, the ‘on-
shore’ potential for utilization of wind energy for electricity generation is of the order of 65,000 MW.
India also is blessed with 7517km of coastline and its territorial waters extend up to 12 nautical miles
into the sea. The unexploited resource availability has the potential to sustain the growth of wind
energy sector in India in the years to come.
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Wind energy as job generator
Wind energy utilization creates many more jobs than centralized, non-renewable energy sources. Wind
Energy companies have opened up huge career options. Also the ease and accessibility of
manufacturing technology has given entrepreneurs with new business options to venture in. The wind
sector worldwide has become a major job generator: Within only three years, the wind sector
worldwide almost doubled the number of jobs from 235,000 in 2005 to 440,000 in the year 2008.
These highly skilled employees are contributing to the generation of 260 TWh of electricity.
India in the windy world
In 2008, India shared 6.58% of total wind energy installed capacity around the world, according to
World Wind Energy Report-2008. According to GSR-2011, the world witnessed highest renewable
energy installations through wind energy. Total installed capacity of wind energy reached 198GW by
the end of 2010. India ranked third in the world in annual capacity additions and fifth in terms of total
wind energy installed capacity. India has been able to fast pace its growth in wind energy installations
and bring down costs of power production.
Positive Aspects ofWind Energy
Wind energy produces no greenhouse gases.
Wind power plants can make a significant contribution to the regional electricity supply and to
power supply diversification.
A very short lead time for planning and construction is required as compared to conventional
power projects.
Wind energy projects are flexible with regard to an increasing energy demand - single turbines
can easily be added to an existing park.
Finally, wind energy projects can make use of local resources in terms of labour, capital and
materials.
Can be used for both distributed generation or grid interactive power generation using on-shore
or off shore technologies.
Ranges of power producing turbines are available. Micro-turbines are capable of producing
300W to 1MW and large wind turbines have typical size of 35kW-3MW.
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Wind turbine is suitable to install in remote rural area, water pumping and grinding mills etc.
Disadvantages
The total cost can be cheaper than solar system but more expensive than hydro.
Electricity production depends on- wind speed, location, season and air temperature. Hence
various monitoring systems are needed and may cost expensive.
High percentage of the hardware cost (for large WT) is mostly spent on the tower designed to
support the turbine.
State Wise InstalledWind Capacity
A notable feature of the Indian program has been the interest among private investors/developers in
setting up of commercial wind power projects. Several companies have established themselves in wind
technology manufacturing. The gross potential is 48,561 MW (source C-wet) and a total of
about 14,158.00 MW of commercial projects have been established until March 31, 2011. All projects
installed in India are listed on this page. The break-up of projects implemented in prominent wind
potential states (as on March 31, 2011) is as given below:
State
Gross Potential
(MW)
Total Capacity (MW) till
31.03.2011
Andhra Pradesh 8968 200.2
Gujarat 10,645 2175.6
Karnataka 11,531 1730.1
Kerala 1171 32.8
Madhya
Pradesh
1019 275.5
Maharashtra 4584 2310.7
Orissa 255 -
Rajasthan 4858 1524.7
Tamil Nadu 5530 5904.4
Others - 4
Total 48,561 14,158
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Future Wind Power Plants in India
102.4 MW Sipla Wind Farm will be located at Jaisalmer District (Rajasthan) CLP
50.4 MW Narmada Wind Farm at Nallakonda (Andhra Pradesh),CLP
200 MW Wind Farm in Tamil Nadu by Techno Electric & Engineering Company Ltd (TEECL)
Caparo is builing 500 MW Wind Farms in Rajasthan, Gujarat and Maharashtra, has placed a $1.2 billion
order with Suzlon.
56-megawatt Tuppadahalli wind farm by Acc India.
50MW wind farm Amreli district of Gujarat by Orient Green Power Company.
84 MW Wind Farm in Maharashtra by Orient Green Power Company.
33 MW wind farm Vellappaneri Wind Farm by Beta Wind Farm which is a 100 per cent subsidiary
Orient Green Power.
Conclusion
For making a sustainable India Wind energy can play a important role as India having geographical
condition which are favorable for implementing wind turbine, Also this sector provides a lots of jobs so
it also provide employment. It provides better replacements for the non-renewable source of energy.
Government also encouraging private sector to invest in this field so it also provide economic growth
of the country as well as increasing the GDP of country.
References
http://www.indianwindpower.com
http://www.ge.com/in/wind-energy/wind-turbines-in-india
http://www.inwea.org/aboutwindenergy.htm
http://www.gwec.net
http://powermin.nic.in/power-sector-glance-all-india