Why Don’t We Use More Renewable Energy Sources – As wind and solar power become cheaper and their share of electricity generation increases, skeptics of these technologies are dispelling many myths about renewable energy and the power grid. Myth from this: Relying on renewable energy sources will make electricity supply unreliable.
Last summer, some commentators argued that the cuts in California were actually due to the “fix” of renewable energy sources, when the main causes were probably a combination of extreme heat waves caused by climate change, faulty planning and lack of resilience. . Sufficient electricity generation and storage resources. During Texas’ brutal winter, Gov. Greg Abbott blamed wind and solar for the state’s massive grid failure, which is larger than California. In fact, renewables exceeded grid operator estimates in 90 percent of the outages, and gas-fired power plants fell by more than a fifteenth in the rest. Instead, other causes, such as natural gas blackouts due to poorly worn power plants and frozen equipment, led to the majority of power outages in the state.
Why Don’t We Use More Renewable Energy Sources
(energy conversion) policy changes from fossil fuels and nuclear energy to efficient and renewable use. The newly elected German government plans to step up the first and complete the second, but some critics have warned that Germany is working “against the limits of renewable resources”.
The Paradox Of Declining Renewable Costs And Rising Electricity Prices
In fact, it is entirely possible to maintain a reliable electricity system based on renewable energy sources, together with a combination of other tools, including advanced energy management and storage methods. A clearer understanding of how to reliably manage electricity supplies is critical, as climate threats require a rapid transition to renewable sources such as solar and wind power. This transition has been accelerated by falling costs—Bloomberg New Energy Finance estimates that solar and wind are the cheapest sources for 91 percent of the world’s electricity—but is hampered by misinformation and myths.
To follow the cliché, “In God we trust; others bring data”, it is worth looking at grid reliability statistics in countries with high levels of renewable energy. The indicator most often used to describe the reliability of the grid is what is known as “System Average Input Index” (SAIDI). The metric is the average duration of power outages experienced by each customer in a year. According to this metric, Germany has one of the most reliable grids in Europe and in the world, where renewable energy sources provide almost half of the country’s electricity. In 2020 SAIDI was only 0.25 hours in Germany. Only Liechtenstein (0.08 hours) and Finland and Switzerland (0.2 hours) did better in Europe, where electricity generation is 38 percent renewable (than 29 percent in the world) in 2020. Both depend more on nuclear power. Dependent countries such as France (0.35 hours) and Sweden (0.61 hours) are worse for several reasons.
The United States, where renewable energy and nuclear power each provide about 20 percent of electricity, had five times the outage rate of Germany – 1.28 hours in 2020. Since 2006, Germany’s share of renewables in electricity generation has nearly quadrupled, while the outage rate has remained almost constant. fifty fifty Likewise, Texas’ grid became more stable as wind capacity was installed from 2007 to 2020. Today, Texas produces more wind power — about one-fifth of its total electricity — than any other state in the United States.
Legend no. 2: Countries like Germany should continue to rely on fossil fuels to stabilize the grid and support variable wind and solar power.
Flawed Renewable Energy Credits Are Derailing Climate Efforts
Again, official data says otherwise. Between 2010 – a year before the Fukushima nuclear accident in Japan – and 2020, Germany’s fossil fuel production fell by 130.9 terawatt hours and its nuclear production by 76.3 terawatt hours. These were more than compensated by an increase in generation from renewable sources (149.5 terawatt hours) and energy savings that reduced consumption by 38 terawatt hours in 2019, before the pandemic also decimated economic activity. By 2020, Germany’s greenhouse gas emissions have fallen 42.3 percent below 1990 levels, surpassing the 2007 target of 40 percent. Carbon dioxide emissions from the energy sector alone fell from 315 million tons in 2010 to 185 million tons in 2020.
As the percentage of electricity produced in Germany from renewable sources has steadily increased, the reliability of its grid has improved and coal burning and greenhouse gas emissions have fallen significantly.
In Japan, following the meltdown of several reactors in Fukushima, more than 40 nuclear reactors were shut down permanently or indefinitely without significantly increasing fossil fuel production or greenhouse gas emissions; electricity economy and renewable energy almost make all losses, despite policies that put pressure on renewables.
Legend no. 3: Since solar and wind power can only be produced when the sun is shining or the wind is blowing, they cannot be the basis for a grid that must provide electricity 24/7 all year round.
California Is Breaking Renewable Energy Records, But Fossil Fuels Aren’t Fading
While variable output is a challenge, it is neither new nor particularly difficult to manage. No type of power plant operates 24/7, 365 days a year, and running a network requires constantly managing variable demand. Even without solar and wind power (it tends to work reliably in different weather and seasons,
Seasonal changes in water availability and increased drought will reduce electricity generation from hydroelectric dams. Nuclear plants must be shut down for refueling or maintenance, and large fossil and nuclear power plants typically go offline about 7 percent to 12 percent of the time, some more. . Fuel supply to a coal plant can be interrupted by a train derailment or a bridge failure. A nuclear power plant or fleet can shut down unexpectedly for safety reasons, as it was Japan’s largest power plant in 2007 to 2009. This has increased to 115.5 days in 2020, where French nuclear power plants produce less than 65 percent of electricity they can theoretically be produced. When you compare expected performance with actual performance, nuclear power could even be said to be the most intermittent source of electricity in France in 2020. .
Climate and weather-related factors have resulted in several shutdowns of nuclear power plants that have become seven times more frequent in the past decade. Even normally stable nuclear production can fail suddenly and permanently, as happened in Japan after the Fukushima disaster or in the northeastern United States after the 2003 regional power outage that led to a sudden shutdown that caused nine reactors to produce almost no power. took days and almost two. week to return to full production.
Bungalow Solar Farm in South Australia is where the grid ran almost entirely on renewable sources for days. Lincoln Fowler / Alamy Pictures
The Dark Side Of Solar Power
Therefore, all energy sources will become unusable at one time or another. Grid management must deal with this reality as well as fluctuating demand. The influx of greater amounts of renewable energy does not change this fact, even if the way they deal with volatility and uncertainty changes. Modern grid operators emphasize diversity and flexibility rather than nominally stable but less flexible “base load” generation sources. Diversified renewable portfolios do not fail as large, persistent or unpredictable as large thermal plants.
The purpose of an electrical grid is not only to transmit and distribute electricity as demand changes, but also to supplement non-functional and operating facilities, i.e. managing outages in traditional fossil and nuclear plants. Similarly, but easier and often at a lower cost, the grid can quickly support the predictable fluctuations in wind and solar photovoltaic and other renewable energy, other types or elsewhere, or both. This has become easier as it is more precise nowadays. forecast weather and wind speed, thereby providing better forecasts of variable renewable energy generation. Local or on-site renewables are more resilient as they bypass the grid where almost all energy failures originate. And modern power electronics have seriously fed South Australia’s billion-watt grid for days with solar and wind only, without coal, hydro, nuclear and especially the 4.4 percent of natural gas production now required for the grid. regulator.
Most discussions of renewable energy focus on batteries and other electrical storage technologies to reduce variability. This is not surprising because batteries are becoming cheaper fast and are widely used. At the same time, new storage technologies of various types continue to emerge; The US Department of Energy’s Global Energy Storage Database lists 30 types currently deployed or under construction. In the meantime, there are plenty of gas-free and cheaper ways to deal with variable renewable energy sources besides giant batteries.
First and foremost is energy efficiency, which reduces demand, especially during peak usage periods. More efficient buildings need less heating or cooling and change temperatures more slowly, so they can operate at their own thermal capacity longer and maintain comfort with less energy, especially during peak load periods.
The Importance Of Renewable Energies
The second option is elasticity of demand or demand response; where utilities compensate electricity customers who reduce their on-demand usage.
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Lifespan
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Author by : David A. Sinclair
Languange Used : en
Release Date : 2019-09-10
Publisher by : Atria Books
ISBN :
Description : A NEW YORK TIMES BESTSELLER “Brilliant and enthralling.” —The Wall Street Journal A paradigm-shifting book from an acclaimed Harvard Medical School scientist and one of Time’s most influential people. It’s a seemingly undeniable truth that aging is inevitable. But what if everything we’ve been taught to believe about aging is wrong? What if we could choose our lifespan? In this groundbreaking book, Dr. David Sinclair, leading world authority on genetics and longevity, reveals a bold new theory for why we age. As he writes: “Aging is a disease, and that disease is treatable.” This eye-opening and provocative work takes us to the frontlines of research that is pushing the boundaries on our perceived scientific limitations, revealing incredible breakthroughs—many from Dr. David Sinclair’s own lab at Harvard—that demonstrate how we can slow down, or even reverse, aging. The key is activating newly discovered vitality genes, the descendants of an ancient genetic survival circuit that is both the cause of aging and the key to reversing it. Recent experiments in genetic reprogramming suggest that in the near future we may not just be able to feel younger, but actually become younger. Through a page-turning narrative, Dr. Sinclair invites you into the process of scientific discovery and reveals the emerging technologies and simple lifestyle changes—such as intermittent fasting, cold exposure, exercising with the right intensity, and eating less meat—that have been shown to help us live younger and healthier for longer. At once a roadmap for taking charge of our own health destiny and a bold new vision for the future of humankind, Lifespan will forever change the way we think about why we age and what we can do about it....
Why Don T We Listen Better
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Author by : Jim Petersen
Languange Used : en
Release Date : 2007
Publisher by : James C. Petersen
ISBN :
Description : With a light touch and sensible techniques, Dr. Jim Petersen distills years of counseling and pastoral ministry into an informal volume loaded with practical tips, examples and techniques to practice. His book highlights our culture’s courtroom-like communication that often puts people at odds with each other. Most people think they listen well but don’t and folks walk away unheard, misunderstood and disconnected. Readers will chuckle in recognition at the tongue-in-cheek but spot-on “flat-brain” theory of emotions. It shows how and why we get upset and confused in tense situations and what to do about it. It lays the practical groundwork to better manage emotionally loaded situations. This book shows communication that works and is equally appropriate for professionals, such as pastors and therapists and for the general public. The ingenious Talker-Listener Card gives a taking-turn method to end arguing as we know it. It works for couples, business relationships, church listening programs, counselors, group discussions and the family dinner table listening game. Thirty listening techniques will help the reader immediately begin to turn enemies into friends, poor relationships into decent ones and good relationships into better ones. These accessible skills are being used in pastoral counseling classes, counseling offices, church staffs, professional offices, on dates, in corporate board rooms and at kitchen tables around the country ....
Why Don T We In The Limelight
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Author by : Why Don't We
Languange Used : en
Release Date : 2018-10-30
Publisher by : HarperCollins
ISBN :
Description : In the Limelight is the official Why Don’t We autobiography, full of never-before-seen photos and behind-the-scenes info about one of today’s hottest bands. When five guys decided to form a band, they never imagined that they would go from playing music online to playing tours across the world so quickly. Why Don’t We has been together for less than two years, and they’ve already headlined sold out shows, played at Madison Square Garden, and amassed millions of fans. And this is all just the beginning. This is the official Why Don’t We story, full of never-before-seen photos and everything you need to know about Corbyn, Daniel, Zach, Jonah, and Jack. Find out the secrets they’ve never shared with fans before, their embarrassing childhood stories, what they look for in a girlfriend, and how it felt to have their lives completely changed by this incredible journey....
Look To Windward
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Author by : Iain Banks
Languange Used : en
Release Date : 2002
Publisher by : Simon and Schuster
ISBN :
Description : Eight hundred years after the most horrific battle of the Idiran war, light from its world-destroying detonations is about to reach the Masaq Orbital, home to the Culture. Major Quilan has supposedly come to take the exiled Composer Ziller back to their war-ravaged home world, Chel. But despite the major's civilized veneer, his true mission may be the death and destruction of an entire civilization....
Why Don T They Just Get A Job
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Author by : Liane Phillips
Languange Used : en
Release Date : 2010
Publisher by : Aha Process Incorporated
ISBN :
Description : WHY DON'T THEY JUST GET A JOB? describes the journey and the incredible results of Dave and Liane Phillips efforts to help those in poverty find their way to self sufficiency. Under the premise that existing job-readiness programs only focus on job placement and not retention to help the unemployed and underemployed, Dave and Liane Phillips created a poverty to economic self-sufficiency program with an 80% one-year employment retention rate. In the past three years this organization, Cincinnati Works, has brought $25 million in wages locally to over 1500 families. The not-for-profit offers a complete spectrum of free, lifetime employment services for the entry-level job-seeker to sustain and advance in today s work climate. The model is a winner of the 2009 Manhattan Institute Social Entrepreneur Award. Following its success, Dave Phillips is now volunteering as a consultant for similar programs in other cities....
Why Don T Students Like School
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Author by : Daniel T. Willingham
Languange Used : en
Release Date : 2009-06-10
Publisher by : John Wiley & Sons
ISBN :
Description : Easy-to-apply, scientifically-based approaches for engaging students in the classroom Cognitive scientist Dan Willingham focuses his acclaimed research on the biological and cognitive basis of learning. His book will help teachers improve their practice by explaining how they and their students think and learn. It reveals-the importance of story, emotion, memory, context, and routine in building knowledge and creating lasting learning experiences. Nine, easy-to-understand principles with clear applications for the classroom Includes surprising findings, such as that intelligence is malleable, and that you cannot develop "thinking skills" without facts How an understanding of the brain's workings can help teachers hone their teaching skills "Mr. Willingham's answers apply just as well outside the classroom. Corporate trainers, marketers and, not least, parents -anyone who cares about how we learn-should find his book valuable reading." —Wall Street Journal...
Why Don T You Divorce
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Author by : Ji Liushang
Languange Used : en
Release Date : 2019-12-09
Publisher by : Funstory
ISBN :
Description : In such a society, divorce is the easiest and most difficult. Because there was a price to pay for it, any woman who could leave freely would have the capital.When you have nothing, when you have hope in life, when you have responsibility, you will find that divorce is just a distant goal. Especially for women, they had to face many more hardships and despair.End of marriage, can a woman who has fallen down end it decently?...
Why Don T I Feel Good Enough
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Author by : Helen Dent
Languange Used : en
Release Date : 2018-12-18
Publisher by : Routledge
ISBN :
Description : Why Don’t I Feel Good Enough? Using Attachment Theory to Find a Solution offers a guide to how early emotional bonds affect our adult relationships and how psychological theory can help us to find the origin and solution to a number of life’s problems. Bringing a wealth of therapeutic experience and the latest scientific research, Helen Dent introduces the benefits that understanding attachment theory can bring to all areas of life. You will find this particularly helpful if you struggle with everyday relationships and have difficulties managing your emotions. Using practical guidance, real-life examples and questionnaires to help you locate your own 'attachment style', she provides the tools and guidance to help you move on and develop secure, positive attachments. Why Don’t I Feel Good Enough? will be an important guide and resource for psychotherapists, counsellors, clinical psychologists and their clients. It provides a good introduction to attachment theory for professionals in training....
Why Don T Americans Vote
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Author by : Bridgett A. King
Languange Used : en
Release Date : 2016-07-11
Publisher by : Bloomsbury Publishing USA
ISBN :
Description : This timely book provides a thought-provoking discussion of issues that influence voter registration and turnout in contemporary America. Elections not only determine who will fill an office; they have a lot to say about how the democratic process works—or doesn't work—in 21st-century America. This fascinating book sheds light on that question by focusing on factors that currently shape elections and political participation in the United States. It covers issues that are consistently in the media, such as gerrymandering; voter ID; and rules pertaining to when, where, and how Americans register and vote. But it also goes beyond the obvious to consider issues that are often overlooked—civic education and engagement, citizen apathy, and political alienation, for example. The volume begins with an introduction to elections that includes a discussion of the history of voting in the United States. Each subsequent chapter covers a different topic relative to registration and voting. It addresses matters of education as well as socialization, mobilization, and the legal and political structures that shape U.S. political participation. Ideal for readers who may be considering such concerns for the first time, the work will foster an understanding of why political participation is important and of the causes and consequences of non-voting....
Why Don T They Just Quit
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Author by : Joe Herzanek
Languange Used : en
Release Date : 2015-01-01
Publisher by : Changing Lives Foundation
ISBN :
Description : This award-winning book covers critical topics: - Why a person does not have to hit rock-bottom - When helping is actually hurting - How to deal with a relapse - Why effective intervention doesn't have to be a surprise attackAchieve the peace of mind that comes from knowing what works, what doesn't and why. Why Don't They JUST QUIT? provides the answers you so desperately seek....
