renewable source of energy

1. RENEWABLE SOURCE OF ENERGY
RESHMA G S

2. RENEWABLE SOURCE
• Renewable energy technologies from solar energy, wind power,
hydroelectricity/micro hydro, biomass and biofuels/fuel cells for
transportation.
• Renewable energy is energy generated from natural resources
such as sunlight,wind,rain,tides,and geothermal heat which are
renewable.
• DEFINITION: Renewable energy is generally defined as energy
that comes from resources which are naturally replenished on a
human timescale such as sunlight, wind, rain, tides, waves, and
geothermal heat.

3. TYPES OF RENEWABLE ENERGY
• Hydropower
• Biomass
• Solar Energy
• Geothermal
• Wind Power
• Fuel Cells

4. ALTERNATIVE SOURCE OF ENERGY
• Alternative energy is any energy source that is an alternative to fossil
fuel. These alternatives are intended to address concerns about such
fossil fuels.
• Energy fueled into ways that do not use up natural resources or harm
the environment.
• Eg: Fuel Cells.

5. BIOMASS
• Biomass is second to hydropower as a leader in renewable energy
production and it has an existing capacity of over 7000 MW.
• Biomass as a fuel consists of organic matter such as industrial waste,
agricultural waste, wood and bark.
• Biomass is the alternative energy generated through the conversion of
biological materials and wastes into forms that can be used as energy source
for heating, power generation and transportation.
• The largest use of biomass energy in Virginia is the forest products industry.

6. Biomass sources

8. • Some examples of materials that make up biomass fuels are:
• scrap lumber;
• forest debris;
• certain crops;
• manure; and
• some types of waste residues.

10. WIND POWER
• Wind energy represents 4,700 megawatts (MW) of installed electric capacity in the
United States.
• Wind has been the fastest growing energy source in the U.S. over the last decade
mainly due to very significant improvements in wind energy technology.
• Wind power is produced by the energy of the wind turning aerodynamic blades
mounted to a hub. The hub is connected to a shaft that turns a generator.
• Large utility-scale wind turbines range in size from 50 kilowatts to over four
megawatts. Smaller wind towers (under 50 kW) are suitable for residential and
agricultural use.
Wind power or wind energy is the energy extracted from wind using wind turbines
to produce electrical power, windmills for mechanical power, wind pumps for water
pumping, or sails to propel ships.

11. EXAMPLES OFWIND ENERGY
• 1.Wind Farms
• Wind farms are stretches of open land that often see very high winds. These open
stretches of land are also often uninhabited by people, making them ideally suited to
the large turbines on top of several stories high towers. As the wind turns the blades of
the dozens or hundreds of turbines, electricity is generated and incorporated into the
power grid.
• 2.Transportation
• Although it's not quite as necessary as it was even 200 years ago, wind-based
transportation on bodies of water is still a viable method of getting from place to place,
especially for recreation.
• 3.Home Energy Solutions
• Wind turbine technology has become cheap enough and effective enough that chain
retail stores are even selling home turbine kits at affordable prices. These turbines
generate electricity in much the same way that home solar power generators are
available for residential use.
• .

12. WIND FIRMS IN INDIA
• VESTAS WIND SYSTEMS is a Danish manufacturer,seller,installer,and servicer of
turbines. The company operates manufacturing plants in Denmark, India,
Germany, UK, US etc.VESTAS has over 48000 wind turbines for a capacity of 55gw
in over 70 countries on five continents.
• The Jaisalmer Wind Park is India's Largest operational onshore wind farm. This
project located in Jaisalmer district, Rajasthan. The project, developed by Suzlon
Energy, was initiated in August 2001 and comprises Suzlon’s entire wind portfolio –
ranging from the earliest 350 kW model to the latest S9X – 2.1 MW serie. It's
Installed Capacity is 1,064 MW.

14. FUEL CELLS
• A fuel cell is an alternative energy device, but it is not necessarily a
renewable energy device. It is only renewable if the source of the fuel
used is renewable.
• A fuel cell is an electrochemical device, like a battery in that it converts
the energy from a chemical reaction directly into electricity and heat.
• But unlike a battery, which is limited to the stored chemicals within, a
fuel cell has the capability of generating energy as long as fuel is
supplied.
• Currently produced fuel cells combine hydrogen and oxygen without
combustion to produce electricity.
• The oxygen comes from the air, while the hydrogen can either be
produced from water (using electricity) or extracted from fossil fuels.

15. Examples of Fuel Cells
• Natural Gas
• Methanol
• LPG
• Naphtha
• Kerosene

18. THANKYOU…