California's Renewable Energy Problem A reality check on renewables - David 3 months ago   18:01

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References:

References:
[1] https://endcoal.org/wp-content/uploads/2019/03/BoomAndBust_2019_r6.pdf
[2]
https://www.energy.ca.gov/renewables/tracking_progress/documents/renewable.pdf (verified with own calculation)
[3]https://web.archive.org/web/20040702092945/https://www.duke-energy.com/news/releases/2000/Nov/2000111601.html
[4]https://pv-magazine-usa.com/2018/11/08/california-regulators-approve-the-worlds-largest-battery-projects/
[5] https://www.ge.com/power/transform/article.transform.articles.2018.oct.storage-threat-to-peaker-plants
https://www.greentechmedia.com/articles/read/just-how-much-business-can-batteries-take-from-gas-peakers#gs.bn4i7x
[6] http://www.caiso.com/TodaysOutlook/Pages/default.aspx
[7] https://reneweconomy.com.au/revealed-true-cost-of-tesla-big-battery-and-its-government-contract-66888/
[8]http://www.caiso.com/Documents/Wind_SolarReal-TimeDispatchCurtailmentReportMay07_2019.pdf
[9] http://www.caiso.com/Documents/Wind_SolarReal-TimeDispatchCurtailmentReportMay15_2019.pdf
[10] https://www.energy.ca.gov/almanac/electricity_data/total_system_power.html
[11] https://arpa-e.energy.gov/sites/default/files/documents/files/DAYS%20Project%20Descriptions%20FINAL.pdf


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Comments 6990 Comments

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Street Guru
Hey you guys know that super area dense carbon neutral power generation method that doesn't require batteries or The sun to work should we use it?

Good old people's republic of California.
somas Anisahoni
that was an excellent presentation there Brian McManus.....bravo
Brandon BillTheCat
Though I don't know how well it would really work I saw a few people working on a sort of flywheel that can store energy and release it. But Fusion is the real fix though that is a constant 20 years away. And just maybe after 20 years it will only be 15 years away.. Then 10 years and whoops, we didn't see that one coming and it's back to 20 years away again...
Doc Watson
Nothing works in dreamland
Ivan Posa
California, populated and run by Morons.
Swagger Mcdagger
I really enjoyed your video and I think it does a good job describing the situation and assessing the data, however, there are some things which you left out which I think could really help in this instance. First and foremost is as you said diversifying the sources of renewable energy, as this will shift energy production from being mainly during the day. The biggest factor though is energy storage. As you stated batteries are expensive and would be one of the most expensive aspects of this, and the solution is to use other forms of energy storage, which can cost less and be more efficient than batteries, such as flywheels, pressure chambers, hydrogen, pumped storage, and molten salt to name a few. I would love to see a video on this but I doubt you'll see it so yeah thanks and keep up the good work.
Robyn Benson
Generation 4 Nuclear is an interesting proposition.
Sid Grosshart
Batteries are incredibly 'dirty' and inefficient. Solar and wind generation are land intensive. How much of the environment are you willing to destroy to 'change' the climate?
Pedro Faria
"Increasing global temperatures"...what a fake statement
Mortimer Duke
Go nuclear.
Evito Cruor
Didn't get past the first minute without repeating a verifiable falsehood.. or two.y
Funky Munky
I live in South Australia where they installed the massive battery bank. We still have massive blackouts and the price of power has not gone down, it has risen. We import a lot of our energy from interstate.
Let's not forget how environmentally unfriendly manufacturing batteries is. Batteries also have a finite lifespan and are hugely expensive to replace.
It is a failed experiment, and taxpayers like me had to fork the bill for it.
Nuclear power is the future of "clean energy"
Tim Johnson
Huge swaths of land needed and not good for local wildlife. Such a pitty.
Dan az
They better get use to it, it's what they wanted the green new deal.
Frost Roxie
Like bird and bat killing winds mills are environmentally sound !!!!
The Golden State will be the Golden Chithole State by 2045....😳
Martin Balber
2045 ? when Cali has 75 million people ?
Martin Balber
not cheaper, subsidized
I. M. Notamoose
Realize that to convert the world from fossil fuels to green energy at current world power usage (2019 electricty and fuel usage) by 2050 requires at least 2 nuclear plants being brought on line every day until 2050 (but we do not have enough uranium reserves to power them) or 300 square miles of land being made into active wind farms EVERY DAY from today until 2050. Solar power is not any better. Like wind power, solar cells requires LOTS of land and require replacement every 20 years. Of course we are not considering the consumption of rare minerals, energy storage, etc required for solar or wind power using current technology.
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A reality check on renewables - David California's Renewable Energy Problem 3 months ago   18:35

How much land mass would renewables need to power a nation like the UK? An entire country's worth. In this pragmatic talk, David MacKay tours the basic mathematics that show worrying limitations on our sustainable energy options and explains why we should pursue them anyway. (Filmed at TEDxWarwick.)

Lesson by David MacKay.