Understand the need for alternative energy and identify the various forms. Alternative energy sources are forms of energy that use natural resources to produce energy. Alternative energy here includes hydroelectric energy, solar energy, geothermal energy, wind energy, nuclear energy, and biomass energy. It is important to note that while the world bank considers nuclear energy an alternative energy source, not all energy policy experts agree on how to categorize nuclear energy. Alternative sources of energy an introduction to fuel cells. Alternative energy sources implementation of renewable energy sources in the state of california an interactive qualifying project proposal to be submitted to the faculty of worcester polytechnic institute in partial fulfilment of the requirements for the degree of bachelor of science submitted by.
It is an energy source that is an alternative to fossil fuels. Pdf nonrenewable and renewable energy resources austin. Electrical energy could almost be called the in between form of energy. Even if we had an unlimited supply of fossil fuels, using renewable energy is better for the environment. Renewable energy introduction march 3, 2009 me 496alt alternative energy 1 introduction to renewable energy resources mechanical engineering 496alt alternative energy larry caretto march 3, 2009 project proposals due tonight. Nonconventional energy nonconventional energy resources which are considered for large 1973, are called nonconven energy consumption and standard of living. First, other forms of energy from various energy resources are converted into electrical energy in electrical generating stations. Renewable and alternative energy biodiesel safety and best management practices examine the processing and safety issues associated with making biodiesel. This is why over the last decades attention is focused on renewable energy resources and ways to increase energy efficiency. Ppt alternative energy sources powerpoint presentation. They are electrochemi cal devices similar to a battery and consist of a container, an. Also, emissions from nonrenewable energy sources are major environmental pollutants. This unit acquaints students with the types of energy that people rely on and how they are generated and used.
Renewable energy sources are getting attention at the global level due to being clean, inexhaustible and environmental friendly, efficient and increasingly competitive 1. Tracing mechanisms of domestic and international markets, author of the paper focuses on. Renewable energy report 20 pdf document netherlands. Renewable and nonrenewable resources worksheet pdf and renewable and non renewable resources sorting worksheet. Alternative energy reources examines our options for energy sources with a. Discover the worlds research renewable ener gy is energy gener ated fr om natural r esources. The alternative sources of energy available today are harvested worldwide using clean technology, that must be improved to increase its efficiency what is alternative energy. Assigned reading for tonight chapter 9 on renewable energy technologies. Advantages and disadvantages of alternative energy systems. The good news is that costs are coming down and many people are starting to adopt green technologies, but there is still a mountain to climb if we want to truly get off of fossil fuels on a. Renewable resources are unlimited natural resources that can be. Renewable resourcesa natural resource such as wood and water that can be replenished or replaced by natural processes.
Pdf potential of alternative energy resources in peru. Sunlight, or solar energy, can be used directly for heating and lighting homes and other buildings, for. Explain why you agree or disagree with this statement. Renewable energy module i overview of renewable energy sources lecture1. These are finite and thus can be used only for a finite period. Alternative energy sources 1 alternative energy sources 2 table of contents. For many years the outlook for energy has helped inform exxonmobil s longterm business strategies, investment plans, and research programs.
In contrast to nonrenewable, renewable energy sources produce little or no pollution or hazardous wastes, pose few risks to public safety, and are entirely domestic resources. Energy resources 9 this chapter reports oil resources in gigatonnes 1 gt 109 tonnes and exajoules 1 ej 1018 joules using the energy equivalent of 42 gigajoules per tonne of oil equivalent gj per toe. This article examines current development of peruvian energy policy and put it into broader economic context of carbondriven growth of latin american countries. Types of renewable and alternative energy there are several renewable energy sources that are in use.
Many wind, solar, and other variable alternative energy resources are not owned or controlled by utilities. Types of renewable and alternative energy there are several renewable energy sources that are in use today. Renewable energy technologies turn these fuels into usable forms of energymost often electricity, but also heat, chemicals, or mechanical power. Most renewable energy comes either directly or indirectly from the sun. Despite the hype around the progress of renewable energy, many people dont realize that solar and wind have only made a tiny dent in the energy mix thus far. Energy sources are used mainly to produce electricitya more useful energy source.
Renewable energypotentials and achievements module ii characterization of biomass lecture4. Alternative energy, by definition, is any source of energy that doesnt use fossil fuels. The total electricity production from renewable energy sources in mep and sde. There are different types of energy resources, including fossil fuels such as coal or oil, and stores of energy such as batteries or the wind. Patyi, in methods and models for assessing energy resources, 1979. Although coal is considered a widely distributed deposit and found in all continents, extraction is economically grounded and concentrated only in four major countries. Pdf this book presents a large amount of data dealing with the conventional and alternate energy resources and how they are used. Its convenient to use coal, oil, and natural gas for meeting our energy needs, but we. Renewable electricity represented nearly % of total installed capacity and more than 12% of total electric generation in the united states in 2011.
Alternative energy sources is designed to give the reader, a clear view of the role each. Firmly entrenched in the mainstream, alternative energys momentum accelerates. A balanced introduction to tomorrows energy sources over the course of the next fifty years, there will be a shift in the quest for sustainble energy, including a major change in transportation from internal combustion engines burning petroleumderived fuels to newer technology engines using new transportation fuels. Analyzing the energy resources, too, one can see that energy imports will become the dominant factor in energy supply. Sustainable energy is the practice of using energy in a way that meets the needs of the present without compromising the ability of future generations to meet their own needs.
This edition is also pedagogically enhanced due to the addition of solved university questions, objective questions. Alternative energy resources in bangladesh and future prospect. Alternative energy use national geographic society. You have probably also heard of renewable energy sources, which can often be the same as alternative. Potential and conversion techniques, minihydel power plants, and their economics. Alternative energy represents the clean energy source does not pollute that derives from a natural and renewable source of energy such as solar, wind, geothermal, waves, tides, waste, biomass, hydrogen. Describe the contributions of alternative energy sources to world supplies at present and their potential. Nonrenewable energy resources are energy resources that cannot renew itself at a sufficient rate for a sustainable economic extraction after consumption in other words, nonrenewable energy resources are energy resources which cannot be replenish or. Muscle power human or animal did just about everything else. There are three main alternative energy sources that can be used in the place of fossil fuels, which are nuclear, solar, wind, and hydroelectric. We often call renewable energy technologies clean or green because they produce few if any.
Several alternative energy resources produce zero pollution. For the purpose of this discussion on the advantages and disadvantages of alternative energy, the sources that fit this definition are solar, wind, hydroelectric, geothermal, and marine energy. Research projects in renewable energy for high school student. One of the major findings of the report is that while most of the worlds resources are finite, the united states has a lot of nonrenewable resources in the form of oil, coal, natural gas, timber, etc. Resources, types of wells, methods of harnessing the energy, potential in india. Renewable and alternative energy penn state extension. Energy and the challenge of sustainability chapter 5. There are several methods in order to gain heat and electricity. Alternative energy resources denton independent school. The major energy sources like coal, natural gas and petroleum products are nonrenewable fossil fuels. As these intermittent resources are connected to the electric grid, utilities and system operators must. Otec, principles utilization, setting of otec plants, thermodynamic cycles. Describe the present us electrical grid and issues affecting alternative energy source tiein, reliability, and economic impact.
All these energy sources came from the sun, since solar energy drove wind and rain, grew trees. Under this agreement, 196 nations resolved to limit global warming to a maximum. Trends to watch in firmly entrenched in the mainstream. The use of renewable and alternative energy sources can save us money, assure that our grandchildren and great grandchildren will have enough energy, and free us from the uncertainties of depending on energy supplies outside the united states. Since some major renewable energy sources are intermittent wind, solar, fitting such supplies into a grid creates challenges.
Renewable energy sources, being ecofriendly and distributed globally, offer our planet a. Fran hein edited the emd paper for the journal of natural resources research. Research the use of an alternative energy resource and draw a model of a school or a business that uses alternative energy resources to generate electricity. Key findings the installed global renewable electricity capacity nearly doubled between 2000 and 2011, although renewable energy is a relatively small portion of total energy supply both globally and in the united states. Definitions and examples many countries are nowadays investing in renewable energy sources. Kammen energy and resources group renewable and appropriate energy laboratory rael university of california, berkeley, usa email. Energy resources today the greatest attention in the world is devoted to energy resources because their use is usually irreversible, but the supplies of traditional fossil fuels oil, natural gas are running out fast.
Meeting the worlds needs for electricity, heating, cooling, and power for transport in a sustainable way is widely considered to be one of the greatest challenges facing humanity in the 21st century. The many types of renewable energy resourcessuch as wind and solar energyare constantly replenished and will never run out that is one benefit. In particular, the fukushima daiichi accident was a turning point in the call for alternative energy sources. Include labels, diagrams, and captions to help explain the drawing. Merewether abstract fuel cells are important future sources of electrical power and could contribute to a reduction in the amount of petro leum imported by the united states. Pdf unconventional and alternative energy resources.
A nonrenewable resource cannot be replaced in a reasonable amount of time. Download nonconventional energy resources by b h khan the book covers the various components of undergraduate course on nonconventional energy resources alternative energy resources, renewable energy resources quite well. The outlook for energy is exxonmobil s latest view of energy demand and supply through 2040. Identify alternative energy resources such as wind, solar, hydroelectric, geothermal, and biofuels.
Pdf an introduction to the renewable energy resources. Peoples demand for electricity and fuel taxes earths supply of nonrenewable resources and forces us to find and use renewable and alternative sources. Renewable energy sources including biomass, geothermal, ocean, solar, and wind energy, as well as hydropower have a huge potential to provide energy services for the world. Today we primarily use fossil fuels to heat and power our homes and fuel our cars. Renewable and nonrenewable energytypes, sources, example, pdf. Renewable energy is now considered a more desirable source of fuel than nuclear power due to the absence of risk and disasters. Pdf nonconventional energy resources by b h khan book.
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