Renewable Energy Presented by: Waseem Hashmi Contents 01 What renewable energy is? 02 Renewable resources 03 Types of Renewable energy 04 Renewable energy in Pakistan 05 Advantages What is Renewable energy? Useful energy that is replenished naturally on human time scale. Some examples of renewable energy include: •Wind energy •Biomass energy •Solar energy etc Renewable resources Resources that are replaced by nature as fast as used by human beings. Examples: •Wind •Water •Heat from core •Sunlight •biofuels Types of renewable energy Wind energy Solar energy Power of wind is used to generate electricity or it is converted into useful energy. Use of solar cells to generate useful energy from light.. Hydropower energy Energy from waves and tides of water is used to generate electricity. Geothermal energy Heat from core of earth is used to convert water into steam to run turbines. Biomass energy . Replaceable organic components are used for useful energy generation. Renewable energy in Pakistan Expanding renewable energy can help Pakistan to save 5 billion dollars. According to world bank, only 0.071 percent of Country area can be used to meet the need of whole country electricity demand by ussing photovoltic cells Pakistan has several wind corridors having average speed of 7.87 m/s. Hydropower has share of 13 percent with minor involvement of solar and wind energy Approximately,50,000 tonnes of solid waste , 2,25,000 tonnes of crop residue and over 1 million tonnes of Animal manure are produced daily. The potential capacity of wind energy is estimated at 122.6 GW per year,double than current production of whole Country electricity generation projects. Fig:comparison of costs of different energy sources by NEPRA Advantages Cheap and reliable energy Eco friendly It causes negligible environmental pollution as compared to energy produced from conventional sourcesit has low or zero carbon emission.. Recycling Renewable energy helps in recycling of wastes hence leading to less carbon emission in atmosphere and organic wastes in landfills.. It helps in saving money in long term.It helps in saving maintainance as well as operating costs. Stabailized energy prices As cost of renewable energy only depends upon initial costs of installment,It will result in stabilized prices across the globe. Thank You