Renewable Energy in Power Systems

Renewable Energy in Power Systems

Renewable Energy (RE) sources differ from conventional sources in that, generally they cannot be scheduled, they are much smaller than conventional power stations and are often connected to the electricity distribution system rather than the transmission system.  The integration of such time variable ‘distributed’ or ‘embedded’ sources into electricity networks requires special consideration. This new book addresses these special issues and covers the following:The characteristics of c
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Renewable Energy in Power Systems

Your Questions About Renewable Energy

Steven asks…

How is renewable energy good for the economy?

Can renewable energy truly be good for the economy, and how so?

admin answers:

Renewable energy can be good once we have a storage system to store the sun’s, wind’s, etc’s energy and use it when we need it.

It is good for the economy because it is getting more and more expensive to dig up conventionals.

James asks…

What is the difference between a renewable energy source and a nonrenewable energy source? Give specific e?

What is the difference between a renewable energy source and a nonrenewable energy source? Give me some specific examples.

admin answers:

A renewable energy source is one that naturally replenishes itself as it is consumed. Solar energy, for example, will continue to make its way to us for as long as the sun continues to burn, whether we harness it or not. The same could be said about wind, hydro, biomass, etc. (though these are really just indirect forms of solar energy – without the sun, there would be no wind, the water cycle would not function, and plant life would not grow). The only other renewable energy input that the earth sees as a whole is geothermal – heat energy from its own core (though this will also eventually run out).

Another possible example of a renewable energy source could be landfill gas, though this is debatable. As long as humans continue to create a huge amount of organic waste, I guess, then we should be able to continue capturing methane from it.

A non-renewable source, on the other hand, will not be replenished once it is used. Fossil fuels (oil, gas, coal), for example, are considered non-renewable, because they took millions of years to form. Once a barrel of oil is brought up from the earth and burned, it will not be replenished for a long, long time.

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Elenco Snap Circuits Green – Alternative Energy Kit

Elenco Snap Circuits Green - Alternative Energy Kit

Snap Circuits Alternative Energy Kit makes learning about electricity and alternate energy FUN! With over 125 projects to build, youngsters will have endless hours of fun while learning about circuits, electricity, geothermal power and lots more! Contains over 40 parts, including the award-winning Snap Circuits, plus an instruction manual and educational manual that show step-by-step instructions for all the cool stuff you can do. For ages 8-108. Warning: Choking hazard, small parts. For ages 8
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Elenco Snap Circuits Green - Alternative Energy Kit

Nanophysics of Solar and Renewable Energy (Physics Textbook)

Nanophysics of Solar and Renewable Energy (Physics Textbook)

This easy accessible textbook provides an overview of solar to electric energy conversion, followed by a detailed look at one aspect, namely photovoltaics, including the underlying principles and fabrication methods. Professor Wolf, an experienced author and teacher, reviews such green technologies as solar-heated-steam power, hydrogen, and "artificial leaf" approaches, as well as nuclear fusion. Throughout the book, carefully chosen, up-to-date examples are used to illustrate important concepts
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Nanophysics of Solar and Renewable Energy (Physics Textbook)

Renewable Energy Resources

Renewable Energy Resources

Retaining the successful format of the first edition and building on its solid grounding in the principles of renewable energy resources, this second edition has been revised in line with the latest advances in the field to include new technologies and an assessment of their impact. Considering each technology in depth from both scientific and environmental perspectives, it covers solar energy, photovoltaic, wind, wave, tidal and hydro power, biofuels, geothermals and more, as well as featuring
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Renewable Energy Resources

Your Questions About Renewable Energy Group

John asks…

How can we make renewable energy less competitive?

There is a serious energy crisis in Australia – even without the carbon tax renewables are now cheaper than building new coal or gas fired power stations.
How can we make renewables more expensive so that the climate change denier industry can maintain their myths?
“A new analysis from research firm Bloomberg New Energy Finance has concluded that electricity from unsubsidised renewable energy is already cheaper than electricity from new-build coal and gas-fired power stations in Australia.
The modeling from the BNEF team in Sydney found that new wind farms could supply electricity at a cost of $80/MWh –compared with $143/MWh for new build coal, and $116/MWh for new build gas-fired generation.These figures include the cost of carbon emissions, but BNEF said even without a carbon price, wind energy remained 14 per cent cheaper than new coal and 18 per cent cheaper than new gas.”
http://reneweconomy.com.au/2013/renewables-now-cheaper-than-coal-and-gas-in-australia-62268

Should we also ban the use of solar energy storage systems (such as the old technology used in http://www.haifa-group.com/products/k_solar/) to support the climate change denier myths that renewables cannot maintain base load supply?

admin answers:

What you’ve quoted was/is inevitable. I could crow “I’ve said this would happen for years” — and I have. But it’s not brilliant insight. Just following the trends.

What you quoted is the obituary for the fossil fuel industry. And (I will crow about and repeat this prediction) — it does not matter what the environmentalists — or the special interests, for that matter — do. The verdict will be spoken in the marketplace. When renewable energy has the competitive advantage (as it now does) the end result will be a drastic decline in fossil fuel use — and carbon emissions.

The same incentive that has blocked action on climate change — pure, raw greed — will now make cutting CO2 emissions an inevitable and unstoppable force.

Thomas asks…

Is it a good decision to invest money in companies that their business is to produce renewable energies?

Do you think that because of the high price of gas, will make stock prices grow of companies that are investing in renewable energies

admin answers:

Some yes, some no.
Due to the high price of corn, soybeans, used cooking oil, many companies making ethanol and biodiesel are in trouble.
Some companies that own wind farms (FPL Group which also has a regulated utility business) are doing very well.

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The Energy Imperative: 100 Percent Renewable Now

The Energy Imperative: 100 Percent Renewable Now

For decades, Hermann Scheer was one of the world’s leading proponents of renewable energy. In this, his last book before his death in 2010, he lays out his vision for a planet 100% powered by renewables and examines the fundamental ethical and economic imperatives for such a shift. And most importantly, he demonstrates why the time for this transition is now. In Scheer’s view, talk of "bridging technologies" such as carbon capture and storage or nuclear energy – even (and perhaps especial
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The Energy Imperative: 100 Percent Renewable Now

A Practical Guide to Renewable Energy: Microgeneration Systems and their Installation

A Practical Guide to Renewable Energy: Microgeneration Systems and their Installation

A guide to renewable energy specifically aimed at vocational and professional construction courses A Practical Guide to Renewable Energy provides the perfect introduction to one of the construction industry’s leading growth areas, containing an overview of all types of renewable energy sources, as well as information relating to the installation and inspection of renewable energy systems. The practical focus in this book will give you the confidence to pass micro-generation exams, discuss the
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A Practical Guide to Renewable Energy: Microgeneration Systems and their Installation

Renewable Energy: A First Course

Renewable Energy: A First Course

Renewable energy has great significance for the world’s future, given the environmental issues related to energy generation and energy’s importance in our society. Making wise energy choices is not easy, however. It involves balanced consideration of economic, environmental, technical, political, and other perspectives to weigh the relative costs and benefits for a host of possible technologies. Renewable Energy: A First Course is an accessible textbook for science and engineering students w
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Renewable Energy: A First Course

Wind Power as a Viable Solution to Meeting Alternative Energy Needs

Although it is much less expensive to initially get hooked into the local electric company’s grid than it is to set up and hook into wind turbines, in the long run one saves money by utilizing the wind for one’s energy needswhile also becoming more independent. Not receiving an electric bill while enjoying the advantages of the modern electrically-driven lifestyle is a wondrous feeling.

Electric bills and fuel bills are rising steadilybut the cost of wind turbine energy is zero, and the cost of installing and hooking up a turbine is steadily coming down as demand rises and more commercial success is realized by various companies producing the turbines and researching technologies to make them ever more efficient. In addition, people are moving away from the traditional electric grids and the fossil fuels for personal reasons including desire for greater independence, the desire to live remotely or rurally without having to go primitive, political concerns such as fears of terrorist strikes on oil fields or power grids, or concerns about the environment. Again, this motivation to get away from the traditional energy sources is the same one that causes people to seek the power of the wind for their energy, giving more business opportunities to profit from wind turbine production and maintenance, which drives their costs down for the consumers. In nearly thirty states at the time of this writing, homeowners who remain on the grid but who still choose to use wind energy (or other alternative forms) are eligible for rebates or tax breaks from the state governments that end up paying for as much as 50% of their total green energy systems’ costs. In addition, there are 35 states at the time of this writing where these homeowners are allowed to sell their excess energy back to the power company under what are called net metering laws. The rates that they are being paid by the local power companies for this energy are standard retail ratesin other words, the homeowners are actually profiting from their own energy production.

Some federal lawmakers are pushing to get the federal government to mandate these tax breaks and other wind power incentives in all 50 states. Japan and Germany already have national incentive programs in place. However, A lot of this is handled regionally by state law. There wouldn’t really be a role for the federal government, the Energy Department’s Craig Stevens says. And as might be imagined, there are power companies who feel that it’s unfair that they should have to pay retail rates to private individuals. We should [only have to] pay you the wholesale rate for … your electricity, according to Bruce Bowen, Pacific Gas & Electric’s director of regulatory policy. However, the companies seem to be more worried about losing short term profits than about the benefits, especially in the long run, of the increased use of wind turbines or wind farms. Head of the Center for Energy Efficiency and Renewable Technologies of California V. John White points out, It’s quality power that strengthens the grid.

Your Questions About Sustainable Energy Systems

William asks…

How do places with wind and solar energy sustain their power?

Some places rely on solar and wind energy right? To power their homes and such. How do they use energy in the night or when there is no wind? Do they have something that stores the energy like a big battery or something?

I have to “make” a green city and it will use renewable energy source including solar and wind energy. How would I make the wind and solar energy sustainable and not have shortages of power?

admin answers:

Small places, like a remote house or an island, might have batteries. A large place, like a city, would be connected to a “Grid”, or electrical energy transmission system. If the wind stopped blowing, deep in the night, they would pull energy off the grid, from a nuclear plant, or coal-burning generation station, or hydroelectric project many miles away. A town on an island might have a large diesel generator.

Robert asks…

What are the opportunities in bio energy systems in developing countries?

I want to know about what is a bio energy system, bio energy resources available in tropical developing countries and how those resources are used for producing energy. Please describe impacts of usage of such energy related to fields of economics, social, environment and sustainable use also.

admin answers:

Borneo has wiped huge rain forest to plant palm plants for palm biodiesel. The net effect is that the CO2 released from slash and burn will never be taken back into the biosphere, so its a net CO2 increase.

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Your Questions About Sustainable Energy Technologies

Chris asks…

Is nuclear energy resource is a clean,cold and sustainable energy technology to fueling the future?

How would u challenge to innovate alternative energy technology to renewable energy resources at cheap price?

admin answers:

Nuclear energy is not “cold”, I am not sure what you meant by that. The whole principle of how muclear energy is used to generate electrcity relies on the fact that it gives off a lot of heat.

It is also not too clean either. The depleted nuclear waste posses a problem of where to dispose of it. It will stay radio active for hundreds of thousands of years, so whereever you put it it needs to be out of the way and secure. Right now, the government is planning to store the stock piles of nuclear waste deep underground under Yucca Mountain (in Nevada I think), but there is a lot of debate over this.

As for sustainable, perhaps not in the long run. There is only so much fissionable material on Earth, it will run out eventually just like fossil fuels. A more long term nuclear energy sourse would rely on fusion, not fission, but this has yet to be practical.

Donald asks…

Is our gasoline dependence a matter of national security?

I think we should demand energy independence from our politicians — including a defined commitment toward sustainable, renewable energy technologies. Do you think that this should be part of any candidate’s platform?

admin answers:

How about like Drilling at Anwr and other US points and Build more Refineries ( the real Bottle neck in this Oil rich world) The problem with renewable (soundbite name) is it is not well though out. Like the Corn Idea! A gallon of Corn ethonol gives you Worse Milage meaning More Pollution and less efficiancy. Hydrogen is a decade away at best and here is the Big Problem. Like in the 70’s ( according to Dad) solar and other sources were Moving along due to High gas prices and as soon as they started to make in roads Oil went down enough to make them too expensive. SO here we go again we come up with a trillion dollar Hyrdogen answer and OPEC reduces oil to 10 cents a gallon and everybody runs! We need to let the Market drive it or we will play this game forever LAWS ( and Politico’s) cannot do it.

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Energy Finance: Analysis and Valuation, Risk Management, and the Future of Energy (Robert W. Kolb Series)

Energy Finance: Analysis and Valuation, Risk Management, and the Future of Energy (Robert W. Kolb Series)

Thought leaders and experts offer the most current information and insights into energy financeEnergy Finance offers the most up-to-date information and compelling insights into the finance and economics of energy. With contributions from today's thought leaders who are experts in various areas of energy finance and economics, the book provides an overview of the energy industry and addresses issues concerning energy finance and economics.The book focuses on a range of topics including corporate
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Energy Finance: Analysis and Valuation, Risk Management, and the Future of Energy (Robert W. Kolb Series)

Your Questions About Renewable Energy For Kids

Ruth asks…

How do we transition from non-renewable resources to sustainable clean energy?

With the reduction in global oil and cost production, and the current shift in the US to natural gas, major energy sources are dynamic in time. In the coming future, how can we as a global society, shift our focus from non-renewable fossil fuels to renewable clean energy sources that meet all our growing energy challenges?

admin answers:

Start having fewer children.

The energy demand from 7 billion people is so high that it cannot be met by clean, renewable sources even if these sources became 25% better overnight. Right now we have a choice: have fewer kids and let them live good lives supported by clean renewable energy, or have another seven billion kids and watch them live miserably and fight over whatever declining non-renewable resources exist.

Steven asks…

What happened that gas stations no longer have attendants like they used to? For instance Texaco had at least?

two come out to check your car and one would check your oil when permitted to, or wash the windshield. Another would pump your gas,and sometimes a third one would check your tire pressure. If you had a kid with you they would get a lollipop. Is it a combination of corporate greed, over-regulation of government and excessive taxation? Also the fact that the gasoline is way out of proportion to it’s true value. I would love to see a break-through of cheap energy that no government had a chance to stop or regulate come to the people.I am sure that cheap renewable energy is abundant out there,that is being suppressed!

admin answers:

In oregon and new jersey they have attendants pumping gas because self serve is illegal but they dont do any of the other things

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Your Questions About Sustainable Energy Definition

Sandy asks…

Why is burning coal not sustainable? Do natural gas and petroleum stack up any better?

Three reasons why coal is not sustainable? And do natural gas and petroleum stack up any better in terms of sustainability?

admin answers:

One reason coal burning is unsustainable from an environmental standpoint is that is finite, and using it will deplete it’s use for future generations. In fact, that is the definition of unsustainable. Another factor is that coal burning releases sulfur, and sulfur dioxide is a component of industrial smog, a noxious fume that kills many people and produces a slew of respiratory diseases. Not to say coal is useless, but its downsides may be particularly pronounced

Each source of energy has its own issues. Natural gas is essentially limitless but is probably hard to capture. Petroleum is also finite and involves drilling. The scales may tip towards natural gas for these reasons

Ruth asks…

What does it take to call a building “green”?

Can you market your building as “green” if it has just a few green features, or does it have to meet certain minimum guidelines? I am thinking about this in the way that the word “organic” is regulated on food labels.

Also – do you think it’s redundant to call something “green” and “sustainable” in the same sentence? I am putting together a sign for my company’s real estate development, and I’m wondering if it is pointless to call the project “a green, sustainable development” or if both words really mean the same thing.

admin answers:

I don’t think there is a green certification, however, there are some things to consider.

Energy star certification.

Green building/ construction methods (hay bale, cob, cordwood, papercreate, adobe, earth shelters… )

Minimizing the use of concrete (pier or rubble trench foundations )

Passive solar design

Solar hotwater

Separate grey water systems

Sustainable certified lumbar

The list goes on and on

The term green is probably the best way to go. You are opening a big can of worms if you use the term sustainable. Sustainable has a real definition. A friend of mine sells “sustainable” clothing, woven with thread from banana leaves. That is not sustainable in and of itself. Scientists have predicted that bananas (the type we eat) will soon face a blight that we can not protect them from, ending its presence in our super markets. Although the thread may be a commendable effort at maximizing a resource that otherwise may have been left unused, bananas in general are not a sustainable resource. Every material in the house would have to be made from a sustainable resource (like wood and hay) and would exculde non sustainable materials like (metal, plastics….). Then again, there is no MARKET definition for sustainable.

If you are interested in charging more money for a “green development” and using expensive things like bamboo flooring, or salvaged lumbar from the bottoms of lakes and rivers, or anything ridiculously expensive and unpractical, then forget everything I said. Just put whatever you want on the sign, spit in thier face, and ask them for $400,000

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Introduction to Renewable Energy (Energy and the Environment)

Introduction to Renewable Energy (Energy and the Environment)

As the world population grows and places more demand on limited fossil fuels, renewable energy becomes more relevant as part of the solution to the impending energy dilemma. Renewable energy is now included in national policies, with goals for it to be a significant percentage of generated energy within the coming decades. A comprehensive overview, Introduction to Renewable Energy explores how we can use the sun, wind, biomass, geothermal resources, and water to generate more sustainable energy.
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Introduction to Renewable Energy (Energy and the Environment)

Your Questions About Renewable Energy Jobs

William asks…

How in demand will renewable energy jobs be in the near future?

I’m really worried about the economy and looking for a quick certification so I can have some sort of qualification in case it totally goes under. I found a 14 credit hour renewable energy certification at a community college. Do you think this will do any good for finding jobs?

admin answers:

Very high demand for scientists and engineers and designers..

Jenny asks…

Effect of using renewable energy on the economy?

I’m doing a project for my economics class and I have to explain several different ways in which transitioning to renewable energy and relying less on fossil fuels will effect the economy. So far all I really have is that it will create more jobs. I have to be able to write a 5 page paper on this. Please help, this is due tomorrow!

admin answers:

Using less coal will mean fewer coal miners.

Using less petroleum will mean fewer guys working on those deep ocean well drilling rigs.

Using more Wind will mean more money for the farmers that have windmills on their land. And Studying the effects of killing birds from the blades.

Using more solar will mean lots more folks trained on how to install solar panels.

All this also means changes in College courses to prepare for degrees in these areas.

Less petroleum imported will mean a better balance of payments for Commerce.

Less petroleum means less reliance on Air transport and a shift to higher speed trains.

Airplanes are one of the least efficient users of petroleum. Soon Air travel will be only for the very important, rich or for a very infrequent trip.

People will live closer to work unless public transit is available.

If we go to food based crops for energy it will mean we starve people and start wars over food. (BAD idea)

conservation will be very IN due to the higher cost per watt from renewable sources.

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Your Questions About Sustainable Energy

Maria asks…

What aspect of renewable or sustainable energy would you be interested in looking into?

What aspect of renewable or sustainable energy would you, personally, be interested in looking into as a possible way to achieve a sustainable future?

Not asking anyone to answer this for me, but I don’t really understand the question. Is it asking like what type of energy source? Or what? Thank you!

admin answers:

There are several kinds of renewable or sustainable energy sources and these are different.

Renewable energy is what is there on our planet, that you can use and there will be more tomorrow, without you having to do anything. Those types of energy are solar and wind energy. You can capture these sources of energy fairly “easily”. (There are also geothermal, tidal and hydro electricity but those are not available everywhere – but they are all still renewable energy)

Sustainable energy comes from sources that you can keep going without reducing the availability (if you replace them). This would include wood, for instance. You can cut and burn wood for energy and replace it by planting more trees.

These are all different from non-renewable and non-sustainable sources, such as coal, oil and gas which are non renewable and non sustainable.

My personal interests would lie in (a) solar energy and (b) wood. In the northern part of the UK, the sun doesn’t always shine as much as we would like but wood grows well, so you get the use of both in case of need.

Helen asks…

What aspect of renewable or sustainable energy would you be interested in looking into as a possible?

What aspect of renewable or sustainable energy would you, personally, be interested in looking into as a possible way to achieve a sustainable future?

Not asking anyone to answer this for me, but I don’t really understand the question. Is it asking like what type of energy source? Or what? Thank you!

admin answers:

Solar power; Geothermal power; Windmills; Wave power and Tidal power are all necessary if we are to reduce our reliance on coal, gas and uranium to a sustainable level.

I personally am also interested in powering a laptop from a stationary bicycle with a fly wheel and generator.

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Renewable and Efficient Electric Power Systems

Renewable and Efficient Electric Power Systems

This is a comprehensive textbook for the new trend of distributed power generation systems and renewable energy sources in electric power systems. It covers the complete range of topics from fundamental concepts to major technologies as well as advanced topics for power consumers.An Instructor's Manual presenting detailed solutions to all the problems in the book is available from the Wiley editorial department -- to obtain the manual, send an email to ialine@wiley.com
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Renewable and Efficient Electric Power Systems

Your Questions About Renewable Energy Companies

Lizzie asks…

What solar energy companies have been drawn to Arizona because of the tax incentives released in 2010?

I would like to know what companies came to Arizona BECAUSE of the tax incentives and tax credit programs implemented just for renewable energy companies. If you answer, I’ll answer your questions as well.
Please be very specific. I need to know what exact companies have done so to include stories for the causal analysis essay.

admin answers:

They all have as you can buy online now as well.

Mary asks…

what are some profitable and growing solar power companys looking to invest?

I am looking to invest in one and have around 1000 dollars also what are some other renewable Energy companies like wind, ocean, Power ,stuff like that

admin answers:

General Electric (GE) is one of the biggest manufacturers of wind turbines.

For solar power Claymore Mac Global Solar Energy ETF (TAN) is good.

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