Can We Rely on Wind and Solar Energy? The Truth About Solar 9 months ago   04:24

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Is green energy, particularly wind and solar energy, the solution to our climate and energy problems? Or should we be relying on things like natural gas, nuclear energy, and even coal for our energy needs and environmental obligations? Alex Epstein of the Center for Industrial Progress explains.
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Script:

Are wind and solar power the answer to our energy needs? There’s a lot of sun and a lot of wind. They’re free. They’re clean. No CO2 emissions. So, what’s the problem?

Why do solar and wind combined provide less than 2% of the world’s energy?

To answer these questions, we need to understand what makes energy, or anything else for that matter, cheap and plentiful.

For something to be cheap and plentiful, every part of the process to produce it, including every input that goes into it, must be cheap and plentiful.

Yes, the sun is free. Yes, wind is free. But the process of turning sunlight and wind into useable energy on a mass scale is far from free. In fact, compared to the other sources of energy -- fossil fuels, nuclear power, and hydroelectric power, solar and wind power are very expensive.

The basic problem is that sunlight and wind as energy sources are both weak (the more technical term is dilute) and unreliable (the more technical term is intermittent). It takes a lot of resources to collect and concentrate them, and even more resources to make them available on-demand. These are called the diluteness problem and the intermittency problem.

The diluteness problem is that, unlike coal or oil, the sun and the wind don’t deliver concentrated energy -- which means you need a lot of additional materials to produce a unit of energy.

For solar power, such materials can include highly purified silicon, phosphorus, boron, and a dozen other complex compounds like titanium dioxide. All these materials have to be mined, refined and/or manufactured in order to make solar panels. Those industrial processes take a lot of energy.

For wind, needed materials include high-performance compounds for turbine blades and the rare-earth metal neodymium for lightweight, specialty magnets, as well as the steel and concrete necessary to build structures -- thousands of them -- as tall as skyscrapers.

And as big a problem as diluteness is, it’s nothing compared to the intermittency problem. This isn’t exactly a news flash, but the sun doesn’t shine all the time. And the wind doesn’t blow all the time. The only way for solar and wind to be truly useful would be if we could store them so that they would be available when we needed them. You can store oil in a tank. Where do you store solar or wind energy? No such mass-storage system exists. Which is why, in the entire world, there is not one real or proposed independent, freestanding solar or wind power plant. All of them require backup. And guess what the go-to back-up is: fossil fuel.

Here’s what solar and wind electricity look like in Germany, which is the world’s leader in “renewables”. The word erratic leaps to mind. Wind is constantly varying, sometimes disappearing completely. And solar produces little in the winter months when Germany most needs energy.

For the complete script, visit https://www.prageru.com/videos/can-we-rely-wind-and-solar-energy
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Comments 4904 Comments

um cara
I'm from brazil and some years ago,our ex-president Dilma Rousseff told a UN conference that we need a way to stock wind,that's a example of a conscious person,idk why she suffered a impeachment tho...
LewisLudwig
Isn't Germany above 10% wind/solar? I thought they were.
Eugene Balfour
USE BATTERIES! USE LITHIUM BATTERIES, FILLING UP LAKES AS BATTERIES. Also, use the most energy efficient things possible
Eugene Balfour
0:14 Because you're sponsored by earthquake-inducing fracking
Wafflepudding
This is the same guy that put out "fossil fuels: the greenest energy".
Torsten Därr
Actually, producing energy from renewable sources is already cheaper than from fossil fuels and we also have the technologies to store and distribute energy more efficiently than with the current system. All we need is the political will to stop subsidizing the fossil fuel industry with trillions of dollars every year.
spoof 22
Autonomy is the best solution. Grid electric has a nationalized/monopolized electric stations. Stay hooked to a grid until the grid becomes to expensive. Economically speaking solar and wind is a way the individual can fight back against conglomerate energy companies. Receiving more in tax funding then any individual, on top of having a monopoly of the means of their production. I'll still to use fossil fuel as a good back up until I can afford my battery packs generators and a benevolent politician's incantation.
vuya ki
The man is right.
Cody Christie
Lol yeah I'm going to buy this "educational" lesson funded by oil millionaires
Joseph Fogarty
Take all the nuclear warheads and use them for energy.
iman tosh
IMO, for the northern or southern subtropical hemisphere country, surely it's a big concern.
but when it was come in tropical country on equator which sunlight radiates and wind blows for a whole year, both of them would be great help
Ted Bishop
The water in large lakes is released through the dams. That can also turn generators. We can easily convert to 100% clean energy. We are going to all electric vehicles within the next few years. Our atmosphere will be very clean.
For Glory!
Don't know why, but I am still staggered by people's stupidity in believing that renewables are the magic cure for everything.
I wonder if I have ever mentioned that we live in The Age of Insanity...
Ian Prado
There is this neat element called _thorium_
Adam Lee
This is a joke the dumbest thing this guy said is that there is no way to store solar energy. Obviously he has never heard of a battery.
oscar orta
1. There is a way to store the energy from solar panals search it up since google corporate has them which is a battries as flat as a disk
2. On free energy im pretty sure telsa was about to make it happen but some greedy capitalists prevent it from happening
Leo Licht
Battery 🔋, stupid
Giovanny R
You sir have not convinced me. Solar and wind energy will make more jobs. There is more job's in renewable energy then there is in coal jobs, and yes their is ways to store renewable energy you sir have alot of research to do. If whe dont have money to spend how did we pay on all the wars that we've been in? Sir your lack of knowledge is a disgrace.
Kaiser Lucas
This is completely wrong stop spreading lies you fossil fuel apologist.
OktoberSun84
This is fake news / propaganda which nit picks some facts and leaves out key truths to confuse people. A similar video could have been made 100 years ago comparing early cars to horses, concluding that cars would never develop as a viable technology and instead we should bet on horse carriages. Storing energy is a known problem and solved at small scale (mobile phones, computers). Companies like Tesla are solving it at a large scale. So the idea that this will never be solved or that it is a major challenge is wrong. This video is much more instructive: https://ufl.ae/videow/EYwppQCwdIK&j=2c20i

The presenter is clearly on the extremist spectrum of fascistic deniers of social progress: https://en.wikipedia.org/wiki/Alex_Epstein_(American_writer) . Ayn Rand famously viewed charity, altruism and generosity as toxic evils. With this world view, it is convenient to lie on renewables to keep big oil business going. I imagine the presenter gets nice sponsorships from PragerU or other propaganda machines to publicize fake news.

By the way, for the nuclear cheerleaders. Solar is a fusion reaction that is free, the key to life on earth, and will rain on us whether we capture it or not. Producing nuclear locally exposes us to unnecessary risks and squanders all the bountiful energy around us.
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The Truth About Solar Can We Rely on Wind and Solar Energy? 9 months ago   11:04

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For a long time, solar power has been very much hated from a cost-benefit standpoint but things are starting to turn around for the technology. Around the world, progress is being made to make solar power a viable alternative.

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Sources:

http://gcep.stanford.edu/research/exergycharts.html

http://www.nature.com/nature/journal/v443/n7107/full/443019a.html

https://en.wikipedia.org/wiki/Solar_energy

http://futurism.com/images/top-10-countries-using-solar-power/

Saule Technologies: https://ufl.ae/videow/rGoePPOTtu0

http://futurism.com/experts-asserts-that-soon-the-price-of-solar-power-will-rival-that-of-coal/

http://www.telegraph.co.uk/technology/2016/04/11/solar-cell-generates-power-from-rain-could-solve-britains-energy/

http://www.conserve-energy-future.com/Disadvantages_SolarEnergy.php

http://futurism.com/mit-building-3d-solar-towers-far-achieved-phenomenal-results/

http://reneweconomy.com.au/2016/dubai-plans-worlds-biggest-and-cheapest-solar-tower-storage-project-64966

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