Alternative Renewable Energy Sources – The term “renewable energy” can be thrown around and misused to describe many forms of energy, but the most basic definition is that energy is produced from natural resources that cannot be fully replaced.
The use of renewable energy is vital to our society as we transition to a world without fossil fuels, to reduce the impact of climate change.
Alternative Renewable Energy Sources
Renewable energy takes many forms, among the most popular examples: solar energy. It is the power of the sun, whose power in life never ceases. After all, a non-renewable source of energy like oil takes millions of years and once it’s exhausted, we don’t have it for millions of years.
Fossil Fuels Still Dominate U.s. Energy, But Renewables Growing Fast
The use of renewable energy is increasing every year as the world recognizes its benefits in fighting global warming. In addition, the cost of renewable energy is falling – and more than affordable.
In fact, since 2010, the cost of solar power has fallen by 80% and wind power by 40% — both options have become cheaper than coal.
Solar and wind farms may be the most renewable sources, but other types of energy may mix in the US.
Most of the options from the previous homes are not useful, but they can be successfully used in workshops and other large applications. For example, you will find that your home is more efficient with solar panels than with a wind turbine, since the wind farm is a great way to bring energy to the entire environment.
Renewable Energy Definition And Types Of Renewable Energy Sources
It is important to note that each renewable energy source comes with its own unique set of challenges. But with any energy source, there are ways to improve its production, which we will talk about below.
Solar energy falls into the “renewable” category because the modules can produce energy for years simply by absorbing sunlight. Once solar panels are manufactured and installed, they just sit there and generate energy.
Switching to solar energy is the most effective renewable energy option for homeowners. You can connect solar photovoltaic panels to your roof and adjust your system to the amount of energy needed in your home.
Another challenge with solar panels is that they have to be recycled at the end of their useful life, which is typically 25 to 30 years – and currently there is no practical way to do this.
Best Alternative Energy Sources
Wind power works if you own land and produce enough wind energy to sell to utility companies. You need a lot of large, strong winds in your area, and they offer high installation costs.
Wind farms are clean with high power harnesses, but they need to be thought through. The biggest environmental concern is that it can disrupt animal migration patterns, especially in aquatic environments; The turbines emit a small amount of electricity, which can disturb fish and other animals swimming nearby. The good news is that once introduced into the environment, animals can adapt.
Chocolate is probably the largest untapped renewable energy resource. Geothermal energy works by using ground source heat pumps to harness heat from deep in the earth to generate electricity.
Geothermal energy can be easily associated with areas with very active plate tectonics and volcanic activity, such as Iceland or the West Coast of the US. In these areas there is a lot of underground movement and the temperature of the earth rises. You can see examples of this in geysers, as they release steam that draws heat from the center of the earth. This heat is used to generate thermal energy.
Sls Estimates Using Alternative Renewable Energy Sources And Co 2
Another disadvantage of geothermal energy is the cost – it could not compete with the cheap renewable sources of solar and wind energy. It is very expensive to build geothermal plants and dig deep in the hottest part of the world.
You can imagine the power of water when you think of the ancient water wheels that powered flour mills. Now hydroelectric generators are bigger and more advanced.
Consider the Hoover Dam in Nevada: hydroelectric power harnesses the power of flowing water through turbines to generate electricity.
Hydroelectric power construction is known to drive people away, disrupt fish migrations, and exacerbate droughts by holding more river water, causing downstream populations to decline.
Alternative Energy & Our Future
But when operated in an environmentally friendly and well-managed way, hydropower is a source of great power. When there is no drought, water always flows and is fully renewed.
Bioenergy is a general term for energy sources that come from plants. For example, corn can be used to make ethanol, a type of biofuel used today for cars and airplanes.
Another use of bioenergy is wood pellets, also known as biomass energy or animal energy. Wood pellets come from trees that are burned with the power of plants. Because food is made from plants, it is technically renewable, since plants can be renewed and grown every year.
Bioenergy can become unsustainable when immature trees are cut down before they can regenerate. Biomass is based on the idea that plants grown for energy also remove the carbon they emit from the atmosphere when burned.
Renewable Energy Sources
In order for this process to be sustainable, more trees must be planted than cut down to remove as much CO2 as is emitted.
Non-renewable energy sources are often called “fossil fuels” because they are actually made from the remains of animals and plants that have decayed over millions of years. What resources are not renewable is that once exhausted new resources cannot be created for millions of years. So it won’t be there
Natural gas, often thought of as a hot substance, nevertheless emits carbon dioxide. Carbon dioxide is a dangerous product because it promotes global warming in the atmosphere. It is also difficult to dig, because it does not get cheap “pure”.
Oil is used for many things from jet fuel to heating homes. While oil and coal fueled the industrial revolution, they could also lead us into a new world of stress if climate change is not controlled.
Top 10 Renewable Energy Questions For 2019
The world’s most polluted energy source, coal is used around the world because historically it was cheap and easy to mine. Fortunately, renewable energy is slowly becoming cheaper than coal.
Nuclear energy is often considered a renewable resource. But technically it is a free author itself. Although a nuclear reaction can be used to produce energy for many years before the facility becomes obsolete, it does produce a lot of radioactive waste along the way.
Nuclear power also requires water to keep the chemicals cool, and the water makes the waste highly radioactive. Radioactive waste water contaminates water sources that are not safe to drink in water or fish that cannot be eaten because they contain too much radiation.
Non-renewable resources such as gas, oil and coal are the main drivers of climate change. When fossil fuels are burned for energy, they release many pollutants into the atmosphere, from particulate matter to carbon dioxide (CO2), a greenhouse gas.
Mapping A Better Future
CO2 occurs naturally in the atmosphere and actually keeps the ground at an acceptable temperature for visitors. But when there is a lot of CO2 in the atmosphere, too much heat from the sun gets trapped in the atmosphere and causes negative weather effects.
Many societies and the entire society changes are necessary to avoid the extreme effects of climate change, but one of the first steps is to fully renew the sources.
Gradually the US is starting to use other sources of renewable energy, both because of lower costs.
Currently, all renewable energy sources for the use of energy only 12% of the US, but the number is projected to increase up to 42% by 2000, and in the day it is established that the most important renewable resource, according to the US Energy Information Administration. EIA). to 2000
Solar Panels, Photovoltaics, With Sun Tracking Systems
While the world is still insisting that renewable energy is the best way to achieve this, this is the best option for reducing human carbon. The transition to renewable energy is important for reducing the amount of CO2 in the atmosphere and reducing air pollution.
The good news is that the cost of renewable energy is falling and more and more companies are choosing to operate renewable energy systems with homeowners. There are many ways for companies to integrate renewable resources such as solar panels, wind farms, geothermal plants, hydroelectric power and bioenergy.
But if the father knew and you want to be responsible for the production of your energy, the boards can make the roof
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Alternative Energy Sources
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Author by : Efstathios E. Stathis Michaelides
Languange Used : en
Release Date : 2012-01-16
Publisher by : Springer Science & Business Media
ISBN :
Description : Alternative Energy Sources is designed to give the reader, a clear view of the role each form of alternative energy may play in supplying the energy needs of the human society in the near future (20-50 years). The two first chapters on "energy demand and supply" and "environmental effects," set the tone as to why alternative energy is essential for the future. The third chapter gives the laws of energy conversion processes, as well as the limitations of converting one energy form to another. The section on exergy gives a quantitative background on the capability/potential of each energy source to produce power. The fourth, fifth and sixth chapters are expositions of fission and fusion nuclear energy, the power plants that may produce power from these sources and the issues that will frame the public debate on nuclear energy. The following five chapters include descriptions of the most common renewable energy sources (wind, solar, geothermal, biomass, hydroelectric) some of the less common sources (e.g. tidal and wave energy). The emphasis of these chapters will be on the global potential of each source, the engineering/technical systems that are used in harnessing the potential of each source, the technological developments that will contribute to wider utilization of the sources and environmental effects associated with their wider use. The last three chapters are: "energy storage," which will become an important issue if renewable energy sources are used widely. The fourteen chapters in the book have been chosen so that one may fit a semester University course around this book. At the end of every chapter, there are 10-20 problems and 1-3 suggestions of semester projects that may be assigned to students for further research....
Energy Alternatives
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Author by : Andrea C. Nakaya
Languange Used : en
Release Date : 2008
Publisher by : Referencepoint Press
ISBN :
Description : While most consumable energy is derived from fossil fuels, the utilization of alternative energy sources has been scrutinized and hotly debated in recent years. Through objective overviews, primary sources, and full-color illustrations this title examines Are Alternative Energy Sources Necessary? What Alternative Energy Sources Should Be Pursued? Can Alternative Energy Be Used for Transportation? How Will Increased of Energy Alternatives Impact Society?...
Integration Of Alternative Sources Of Energy
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Author by : Felix A. Farret
Languange Used : en
Release Date : 2006-04-20
Publisher by : John Wiley & Sons
ISBN :
Description : A unique electrical engineering approach to alternative sources ofenergy Unlike other books that deal with alternative sources of energyfrom a mechanical point of view, Integration of Alternative Sourcesof Energy takes an electrical engineering perspective. Moreover,the authors examine the full spectrum of alternative and renewableenergy with the goal of developing viable methods of integratingenergy sources and storage efficiently. Readers become thoroughlyconversant with the principles, possibilities, and limits ofalternative and renewable energy. The book begins with a general introduction and then reviewsprinciples of thermodynamics. Next, the authors explore both commonand up-and-coming alternative energy sources, including hydro,wind, solar, photovoltaic, thermosolar, fuel cells, and biomass.Following that are discussions of microturbines and inductiongenerators, as well as a special chapter dedicated to energystorage systems. After setting forth the fundamentals, the authorsfocus on how to integrate the various energy sources for electricalpower production. Discussions related to system operation,maintenance, and management, as well as standards forinterconnection, are also set forth. Throughout the book, diagrams are provided to demonstrate theelectrical operation of all the systems that are presented. Inaddition, extensive use of examples helps readers better grasp howintegration of alternative energy sources can beaccomplished. The final chapter gives readers the opportunity to learn about theHOMER Micropower Optimization Model. This computer model, developedby the National Renewable Energy Laboratory (NREL), assists in thedesign of micropower systems and facilitates comparisons of powergeneration techniques. Readers can download the software from theNREL Web site. This book is a must-read for engineers, consultants, regulators,and environmentalists involved in energy production and delivery,helping them evaluate alternative energy sources and integrate theminto an efficient energy delivery system. It is also a superiortextbook for upper-level undergraduates and graduate students....
Alternative Energy
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Author by : S. Vandana
Languange Used : en
Release Date : 2002
Publisher by : APH Publishing
ISBN :
Description : ...
Alternative Energy Resources
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Author by : Paul Kruger
Languange Used : en
Release Date : 2006-03-10
Publisher by : John Wiley & Sons
ISBN :
Description : A balanced introduction to tomorrow's 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 petroleum-derived fuels to newer technology engines using new transportation fuels. Alternative Energy Reources examines our options for energy sources with a focus on hydrogen as a large-scale, secondary energy vector parallel to electricity. As the price of petroleum products increases, the world is scrambling to find a suitable replacement energy source. In this comprehensive primer, Professor Paul Kruger examines energy use throughout history and the exponential expansion of our energy use beginning with the Industrial Revolution through the present day. The book then analyzes the various alternative energy sources available, including renewable energy (hydroelectric, solar, wind, biomass, and geothermal), nuclear, and hydrogen. He addresses each energy source's pros and cons based on our needs, availability, and environmental impact aspects. Finally, Dr. Kruger proposes the use of hydrogen as a fuel to sustain our energy supply produced by appropriate technology mixtures of renewable and nuclear energy....
Renewable
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Author by : Jeremy Shere
Languange Used : en
Release Date : 2013-11-26
Publisher by : Macmillan + ORM
ISBN :
Description : Where does the energy we use come from? It's absolutely vital to every single thing we do every day, but for most people, it is utterly invisible. Flick a switch and the lights go on. It might as well be magic. Science writer Jeremy Shere shows us in Renewable: The World-Changing Powerof Alternative Energy that energy is anything but magical. Producing it in fossil fuel form is a dirty, expensive—but also hugely profitable— enterprise, with enormous but largely hidden costs to the entire planet. The cold, hard fact is that at some point we will have wrung the planet dry of easily accessible sources of fossil fuel. And when that time comes, humankind will have no choice but to turn—or, more accurately, return—to other, cleaner, renewable energy sources. What will those sources be? How far have we come to realizing the technologies that will make these sources available? To find the answers, Shere began his journey with a tour of a traditional coal-fueled power plant in his home state of Indiana. He then continued on, traveling from coast to coast as he spoke to scientists, scholars and innovators. He immersed himself in the green energy world: visiting a solar farm at Denver's airport, attending the Wind Power Expo and a wind farm tour in Texas, investigating turbines deep in New York City's East River, and much more. Arranged in five parts—Green Gas, Sun, Wind, Earth, and Water—Renewable tells the stories of the most interesting and promising types of renewable energy: namely, biofuel, solar, wind, geothermal, and hydropower. But unlike many books about alternative energy, Renewable is not obsessed with megawatts and tips for building home solar panels. Instead, Shere digs into the rich, surprisingly long histories of these technologies, bringing to life the pioneering scientists, inventors, and visionaries who blazed the way for solar, wind, hydro, and other forms of renewable power, and unearthing the curious involvement of great thinkers like Henry Ford, Thomas Edison, and Nicola Tesla. We are at an important crossroads in the history of renewable technologies. The possibilities are endless and enticing, and it has become increasingly clear that renewable energy is the way of the future. In Renewable, Jeremy Shere's natural curiosity and serious research come together in an entertaining and informative guide to where renewable energy has been, where it is today, and where it's heading....
Renewable Energy
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Author by : Anne Elizabeth Maczulak
Languange Used : en
Release Date : 2010
Publisher by : Infobase Publishing
ISBN :
Description : Green Technology is an eight-volume set that examines the relationship between human activities and their sometimes harmful consequences for the environment and explores new methods of repairing and restoring the Earth. Approaching environmental issues confronting society from a technological perspective has spawned significant controversy, and the books in this set present all sides of the debate. Designed to complement science curricula, the set also covers relevant history and new green technologies and innovations that will contribute to the field in the future. Renewable Energy: Sources and Methods examines the current technologies in renewable energy, a critical subject given that the world increases its energy consumption between 1 and 3 percent each year. Considering the current rate of energy consumption and the consequences of continuing at this rate, the book explains how the main conventional sources of energy-including coal, oil, and gas-affect economies worldwide. The book also focuses on the remarkable diversity of ideas and innovations in the field of alternative energy. Sidebars, figures, and case studies enhance fundamental concepts and examine urgent issues related to the future of the environment. The volume includes information on alternative vehicles biomass the biorefining industry "clean" energy converting solid waste to energy Earth's energy sources green building design and construction recycling water conservation worldwide energy programs The book contains more than 40 color photographs and line illustrations, five appendixes, a glossary, a detailed list of print and Internet resources, and an index. Green Technology is essential for high school students, teachers, and general readers who seek information on the important issues that affect the environment worldwide. Book jacket....
