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Old 03-03-2019, 05:06 AM   #5271 (permalink)
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Impossible. And even if developed countries could, poor countries will never be able to.
https://en.wikipedia.org/wiki/Solar_power_in_India
Quote:
Solar power in India is a fast developing industry. The country's solar installed capacity reached 25.21 GW as of 31 December 2018.[1][2]

The Indian government had an initial target of 20 GW capacity for 2022, which was achieved four years ahead of schedule.[3][4][5] In 2015 the target was raised to 100 GW of solar capacity (including 40 GW from rooftop solar) by 2022, targeting an investment of US$100 billion.[6][7][8][9][10]

India expanded its solar-generation capacity 8 times from 2,650 MW on 26 May 2014 to over 20 GW as on 31 January 2018.[3][4] The country added 3 GW of solar capacity in 2015-2016, 5 GW in 2016-2017 and over 10 GW in 2017-2018, with the average current price of solar electricity dropping to 18% below the average price of its coal-fired counterpart.[11][12][13]

Rooftop solar power accounts for 3.4 GW, of which 70% is industrial or commercial.[14] In addition to its large-scale grid-connected solar PV initiative, India is developing off-grid solar power for local energy needs.[15] Solar products have increasingly helped to meet rural needs; by the end of 2015 just under one million solar lanterns were sold in the country, reducing the need for kerosene.[16] That year, 118,700 solar home lighting systems were installed and 46,655 solar street lighting installations were provided under a national program;[16] just over 1.4 million solar cookers were distributed in India.[16] In January 2019, Indian Railways announced the plan to install 4 GW capacity along its tracks.[17]
Large scale solar park tenders have upper limits below 3 Rs/kWh, like this recent one : https://www.pv-magazine-india.com/20...f-rs-2-65-kwh/.
Less than $0.04/kWh.
And solar will not get more expensive.
Imagine solar powered steel and aluminum factories. India may get rich.

The western power generation market is up for a gigantic Kodak moment.

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Old 03-03-2019, 07:18 AM   #5272 (permalink)
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Keep in mind that 25 GW of installed solar capacity will average only 6.25 GW with 4 times this amount for a few hours on some days, and nothing every night. Steel, aluminum, and cement production require uninterrupted energy. And energy consumption in India is growing at the fastest rate on the planet as millions of people get home electricity for the first time and a rising middle class get their first chance at a car.
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I couldn't find any charts newer than 2016 for India. And this one doesn't take into account the 25% of India's primary energy from biomass and dung that appears on the chart from 2013.
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This is the big picture
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Old 03-03-2019, 07:23 AM   #5273 (permalink)
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Factory farming has freed most of us from growing our own food as we traded fossil energy and fertilizer for human work. But the robots are taking our manufacturing jobs.
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Old 03-03-2019, 08:03 AM   #5274 (permalink)
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Quote:
Originally Posted by sendler View Post
Keep in mind that 25 GW of installed solar capacity will average only 6.25 GW with 4 times this amount for a few hours on some days, and nothing every night. Steel, aluminum, and cement production require uninterrupted energy. And energy consumption in India is growing at the fastest rate on the planet as millions of people get home electricity for the first time and a rising middle class get their first chance at a car.
Yes, solar power is not ideal if it is used as the only source of power with no backup whatever, as we can see happening right now in ... nowhere. Fake argument.
If solar gets really big there will be challenges, but there are several ways to tackle those, like floating the energy price to entice flexibility in consumption and production wherever possible.
Quote:
Originally Posted by sendler View Post
I couldn't find any charts newer than 2016 for India. And this one doesn't take into account the 25% of India's primary energy from biomass and dung that appears on the chart from 2013.
So it isn't true?
Electricity production graphs are available for 2018.
https://en.wikipedia.org/wiki/Electr...ector_in_India
Coal is still king. But smog is a giant problem, attributing to many deaths.
The growth of the energy sector is actually lowing down now from the 10% annually what it used to be to about 3% yearly. And solar's contribution is rapidly accelerating, now estimated to be 100 GW in 2022.

Or maybe even faster:
https://about.bnef.com/blog/solar-po...han-you-think/

India big solar contracts are at $38/MWh... Crossover point well and definitely passed.
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Old 03-03-2019, 01:33 PM   #5275 (permalink)
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Today on Slashdot's front page:
Quote:
Scientists Turn CO2 'Back Into Coal' In Breakthrough Experiment (independent.co.uk)
Posted by EditorDavid on Sunday March 03, 2019 @10:34AM from the renewable-fossil-fuel dept.
"Scientists have managed to turn CO2 from a gas back into solid 'coal'," reports The Independent, "in a breakthrough which could potentially help remove the greenhouse gas from the atmosphere." Long-time Slashdot reader bbsguru shared their report:
The research team led by RMIT University in Melbourne, Australia, developed a new technique using a liquid metal electrolysis method which efficiently converts CO2 from a gas into solid particles of carbon. Published in the journal Nature Communications, the authors say their technology offers an alternative pathway for "safely and permanently" removing CO2 from the atmosphere....

RMIT researcher Dr Torben Daeneke said: "While we can't literally turn back time, turning carbon dioxide back into coal and burying it back in the ground is a bit like rewinding the emissions clock...." Lead author, Dr Dorna Esrafilzadeh said the carbon produced by the technique could also be used as an electrode.

"A side benefit of the process is that the carbon can hold electrical charge, becoming a supercapacitor, so it could potentially be used as a component in future vehicles," she said. "The process also produces synthetic fuel as a by-product, which could also have industrial applications."
It really isn't coal, more like carbon black or something; there's no impurities. Mega-anthracite? Clean coal?


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Old 03-03-2019, 01:43 PM   #5276 (permalink)
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I can safely dispose of that atmosphere to coal product.
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Old 03-03-2019, 02:28 PM   #5277 (permalink)
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I think they assume there will be some clean energy source to provide the power needed to run the process. It would need more than can be obtained by burning the black stuff, or we'd have a perpetuum mobile.

Maybe a nice process to start up whenever there's an overage of wind or solar power and the grid can't take all of it.
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Old 03-03-2019, 02:30 PM   #5278 (permalink)
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Does it say what the ER/EI of the energy requirements are? 1:100?
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Old 03-03-2019, 03:55 PM   #5279 (permalink)
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There is no surplus of wind or solar in any developed nation.
It would be better to use the wind and solar to displace coal and natural gas first.
Just power everything with nuclear and the surplus can make synthetic coal at night, since breeder reactors don't like to be turned off and on.
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Old 03-03-2019, 06:08 PM   #5280 (permalink)
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We're able to make synthetic diamonds now. Can't think of a much more permanent way to sequester carbon than that, since diamonds are forever.

Really that's remarkable though, because it's a step toward being able to manipulate subatomic structures, which I think will be game changing somewhere far off in the future. Something akin to the Star Trek replicator.

99.999999% of sunlight is wasted into space. We haven't even scratched the surface for the potential to manipulate our environment. This accidental increasing of CO2 and resultant acceleration of warming will look like child's play in the future.

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