Wind Power Wind Power

By:Sarah Azhar, Marium Naqvi, By:Sarah Azhar, Marium Naqvi, Zumrid Bizenjo, Laiba Hassan,Zumrid Bizenjo, Laiba Hassan,

Maheno NaseebMaheno Naseeb

Renewable/ Non-Renewable Renewable/ Non-Renewable ResourceResource

Renewable resourceRenewable resource Definit ion: Definit ion: any natural resource that can any natural resource that can

replenish itself naturally over time, as wood or replenish itself naturally over time, as wood or solar energy; solar energy;

Non-renewable energyNon-renewable energy Definit ion: Definit ion: any natural resource from the Earth any natural resource from the Earth

that exists in limited supply and cannot be that exists in limited supply and cannot be replaced if it is used up; also, any natural replaced if it is used up; also, any natural resource that cannot be replenished by natural resource that cannot be replenished by natural means at the same rates that it is consumedmeans at the same rates that it is consumed

Importance of Wind Power in Importance of Wind Power in PakistanPakistan

► Pakistan is developing a wind power energy project, which could help Pakistan is developing a wind power energy project, which could help solve some of the country's electricity supply problems.Pakistan is to solve some of the country's electricity supply problems.Pakistan is to work with the Chinese government to install and maintain 14 small work with the Chinese government to install and maintain 14 small wind power plants to generate electricity in the southern coastal region wind power plants to generate electricity in the southern coastal region of Sindh and Balochistan.of Sindh and Balochistan.

► These two regions currently have no access to electricity and would be These two regions currently have no access to electricity and would be best suited to wind power.best suited to wind power.

► "It is the supply issue that is a problem, particularly in the remote area. "It is the supply issue that is a problem, particularly in the remote area. To supply electricity from the grid it is not even sometimes technically To supply electricity from the grid it is not even sometimes technically feasible, not to talk about economically feasible, to get back the feasible, not to talk about economically feasible, to get back the revenues and for those areas definitely the renewable industry can revenues and for those areas definitely the renewable industry can play a part," Dr Ishtiaq Qazi, director general of the Pakistan Council play a part," Dr Ishtiaq Qazi, director general of the Pakistan Council for Renewable Energy Technologies in Islamabad told the BBC's for Renewable Energy Technologies in Islamabad told the BBC's World Business Report. World Business Report.

► The project consists of eight 300 watt turbines and six 500 watt The project consists of eight 300 watt turbines and six 500 watt turbines.turbines.

Potential impacts

issues

Economic impacts

Environmental impacts

Drawbacks

Benefits

Wind power

Win d Power W i n d Power Bene f i t s o f Wind Powe rBene f i t s o f Wind Powe r Wind energy doesn't pollute the air like power plants that rely on combustion of fossil fuels, such as coal or naturalWind energy doesn't pollute the air like power plants that rely on combustion of fossil fuels, such as coal or natural

Issue s o f Wind Powe rIssu e s o f Wind Powe r Wind turbines can fall,Wind turbines can fall, Most wind turbine manufacturers have made progress in lowering the noise of turbines by adding insulation around the generator Most wind turbine manufacturers have made progress in lowering the noise of turbines by adding insulation around the generator

and building specially profiled blades that reduce noise and, wind turbine needs regular maintenance to remain efficient and provide you with regular energyand building specially profiled blades that reduce noise and, wind turbine needs regular maintenance to remain efficient and provide you with regular energy

Economic impactsEconomic impacts Wind parks bring economic development to the rural communities that host them.Wind parks bring economic development to the rural communities that host them. Developing our nation's wind energy resources creates demands for turbines and turbine components, which stimulates the manufacturing sector.Developing our nation's wind energy resources creates demands for turbines and turbine components, which stimulates the manufacturing sector. Wind energy helps to stabilize wholesale electricity costs, which is good for both consumers and for businessesWind energy helps to stabilize wholesale electricity costs, which is good for both consumers and for businesses

Wind energy benefits the economy in three ways:Wind energy benefits the economy in three ways:

DrawbacksDrawbacks The main disadvantage of wind energy is that wind can never be predicted. In areas where large amount of wind is needed or winds strength is too low to support wind The main disadvantage of wind energy is that wind can never be predicted. In areas where large amount of wind is needed or winds strength is too low to support wind

turbine, there solar or geothermal energy could prove to be great alternativesturbine, there solar or geothermal energy could prove to be great alternatives

Potential Impacts Potential Impacts

Harnessing power from the wind is one of the cleanest and most sustainable ways to generate electricity as it produces no toxic pollution or global warming emissions. Wind Harnessing power from the wind is one of the cleanest and most sustainable ways to generate electricity as it produces no toxic pollution or global warming emissions. Wind is also abundant, inexhaustible, and affordable, which makes it a viable and large-scale alternative to fossil fuels is also abundant, inexhaustible, and affordable, which makes it a viable and large-scale alternative to fossil fuels

Environmental Impacts Environmental Impacts Compared to the environmental impact of traditional energy sources, the Compared to the environmental impact of traditional energy sources, the environmental impact of (onshore) wind powerenvironmental impact of (onshore) wind power is is

relatively minor, slightly higher than the environmental impact of relatively minor, slightly higher than the environmental impact of hydro powerhydro power on a on a life-cycle basislife-cycle basis. Unlike electricity derived from . Unlike electricity derived from fossil fuelfossil fuel and nuclear power plants, wind power consumes no fuel and, unlike fossil fuel power plants, emits no air pollution in and nuclear power plants, wind power consumes no fuel and, unlike fossil fuel power plants, emits no air pollution in operation.[2] operation.[2]

BibliographyBibliography

Weblinks:Weblinks:Google.comGoogle.comhttp://pbs.gov.pk/content/what-are-major-http://pbs.gov.pk/content/what-are-major-sector-economy-pakistansector-economy-pakistanhttp://environment.nationalgeographic.com/envhttp://environment.nationalgeographic.com/environment/energy/great-energy-challenge/world-ironment/energy/great-energy-challenge/world-electricity-mix/electricity-mix/