The largest source of primary energy, coal
Re: The largest source of primary energy, COAL
Hello,
I did not see in the previous pages if we were talking about it. Germany is commissioning a new 1100 MW coal-fired power plant:
https://www.futura-sciences.com/planete ... lus-78238/
yves
I did not see in the previous pages if we were talking about it. Germany is commissioning a new 1100 MW coal-fired power plant:
https://www.futura-sciences.com/planete ... lus-78238/
yves
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Re: The largest source of primary energy, COAL
yves35 wrote:I did not see in the previous pages if we were talking about it. Germany is commissioning a new 1100 MW coal-fired power plant:
https://www.futura-sciences.com/planete ... lus-78238/
Yes, it's a somewhat complicated story ... But it is "compensated" by 2025 by closures, see attached image.
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Re: The largest source of primary energy, COAL
sicetaitsimple wrote:the replacement is gas + renewable
Gas + renewable is obviously better (Less bad) than coal + lignite + renewable.
But the question is: "And when there is no more gas?" (If it turns out that coal is really more plentiful than gas.)
Knowing that renewables alone are no match.
Is it reasonable to continue with fossils, even if they are "soft fossils" like gas?
Is shale gas included in "gas"?
Some facts:
The new 1 MW coal-fired power plant in Datteln, Germany began production in 100.
She will still be smoking in forty years. (in any case, she could)
Germany is engaged in the construction of the Nord Stream 2 gas pipeline to receive Russian gas (commissioning around 2020).
Germany is also engaged in the construction of LNG terminals for the import of liquefied natural gas (LNG).
The lifespan of these terminals goes beyond 2050.
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Re: The largest source of primary energy, COAL
realistic ecology wrote:sicetaitsimple wrote:the replacement is gas + renewable
Gas + renewable is obviously better (Less bad) than coal + lignite + renewable.
But the question is: "And when there is no more gas?" (If it turns out that coal is really more plentiful than gas.)
Knowing that renewables alone are no match.
Is it reasonable to continue with fossils, even if they are "soft fossils" like gas?
Is shale gas included in "gas"?
I don't know how to answer the question "And when there is no more gas?", especially in the case of Europe that I mentioned.
But it is still not for now (except conflict). The question is, from my point of view, to substitute more and more of them (in particular by renewables and nuclear on the production side and energy savings (in particular fossil) on the consumption side), but it is progress that is possible but not visible only very slowly.
There is a "switch" which will occur naturally as the price of renewables and the price of gas rise, but here again the timetable is not clear.
PS: shale gas is included in gas, of course, why?
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Re: The largest source of primary energy, COAL
Energies: historic decrease in coal in the 1st half (study)
AFP published on August 04, 2020
Global power generation capacity from coal-fired power plants fell in the first half of 2020 for the first time on record, due to the pandemic and tightening restrictions, according to an analysis by the British site Carbon Brief.
"This year was the first six-month period on record in which more coal-fired power generation capacity was withdrawn than commissioned," according to the analysis, released on Monday, based on figures from Global Coal Plant Tracker from the American NGO Global Energy Monitor (GEM).
From January 1 to June 30, new plants were commissioned for a total of 18,3 gigawatts (GW) of generation capacity. Conversely, the closure of sites represented 21,2 GW, ie a net decrease in world production capacity from 2,9 GW, to 2.047 GW.
The study recalls by way of comparison that "global coal production capacity had increased on average by 25 GW every six months over the previous two decades, from 2000 to 2019."
This drop is explained by the drop in demand for electricity linked to the pandemic and the strengthening of pollution regulations, according to the report.
The development of new thermal power plants is mainly concentrated in China (+11,4 GW in 2020), while withdrawals are mainly in Europe and the United Kingdom (-8,3 GW).
According to GEM figures, 189,8 GW of production capacity is still under construction, and 331,9 GW more are planned.
"This goes against calls from United Nations Secretary General António Guterres for a global moratorium on new coal-fired power plants after 2020."
"There is no clean coal and coal has no place in rational stimulus plans," UN Secretary General Antonio Guterres pleaded in a speech to China at the end of July.
China is suspected of wanting to speed up coal production to revive its economy, after the brakes caused by the epidemic of new coronavirus at the beginning of the year.
Coal represented 57,7% of China's energy balance last year, down 1,5 points over one year. But as total energy consumption increased, that of coal grew by 1%, according to the National Bureau of Statistics.
https://www.connaissancedesenergies.org ... ude-200804
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Re: The largest source of primary energy, COAL
Poland to close coal mines by 2049, government-union deal says
AFP published on Sep 25, 2020
Poland, dependent on coal, will close its last mine in 2049, according to an agreement reached on Friday between the Polish conservative government and the unions, thus taking a step towards carbon neutrality demanded by the EU. Poland had previously rejected the EU's current target of achieving carbon neutrality by 2050, saying it needed more time to make the transition.
Warsaw has also recently expressed concern over Brussels' proposal to aim for a 55% reduction in EU greenhouse gas emissions by 2030 from 1990 levels, against a target currently set at -40% . According to the agreement, details of which are to be announced later, the sector will until then be subsidized by the state.
"We have signed the liquidation of one of the most important industries in the history of the Republic of Poland," Dominik Kolorz, regional president of the Solidarity union, told reporters. Artur Sobon, deputy minister of state assets in the Law and Justice government (PiS), called the coal phase-out plan "a fair and equitable path to the transformation of the Polish mining and energy industry" .
The unions originally demanded to push back the date for the mine closures to 2060, fearing disastrous economic and social effects for the Silesian coal basin in southwestern Poland. "No coal mine worker will lose their job. It was the most important part of this deal for us," Kolorz said. "In a situation where this is not possible, social protection will be put in place, but we are determined that all underground workers can work until their retirement," said the vice-minister.
The question of employment in the coal sector is politically sensitive in Poland, where miners and their families still constitute a large electorate. The sector has suffered in recent years from falling prices and its problems have been exacerbated by a drop in demand linked to the Covid-19 pandemic.
One of the largest coal companies in Europe, the Polish state-owned company PGG, recorded more than 400 million zlotys (107 million euros) in losses in 2019, while this year its revenue fell by 2,7 billion zlotys, according to media reports. The agreement also ended a protest movement, followed since Monday by a few hundred miners who remained underground in a dozen mines in the region.
Poland is 80% dependent on coal for its electricity production. Some 80 miners still work in the sector compared to almost 000 at the start of the 400s.
https://www.connaissancedesenergies.org ... ats-200925
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Re: The largest source of primary energy, COAL
A project to exploit a coal deposit estimated at 250 million tonnes in the Nièvre resurfaced. It would no longer be conventional extraction, but in situ gasification ...
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Re: The largest source of primary energy, COAL
Ahmed wrote:A project to exploit a coal deposit estimated at 250 million tonnes in the Nièvre resurfaced. It would no longer be conventional extraction, but in situ gasification ...
It is the Loch Ness monster, the deposit has been known for a long time! Don't worry, there's no way it'll come out (except maybe in 50 or 100 years if we're really on the street from an energy point of view).
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Re: The largest source of primary energy, COAL
To follow up on my post of 15/07 above on the programming of the exit of coal and lignite in Germany, the result of the auction for the closure of coal power plants in 2021 has just been published. About 5GW (4,78) as expected.
Note that among these 5 GW there are 3 units of around 800MW each commissioned in 2014/2015!
https://www.cleanenergywire.org/news/fi ... go-offline
Note that among these 5 GW there are 3 units of around 800MW each commissioned in 2014/2015!
https://www.cleanenergywire.org/news/fi ... go-offline
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Re: The largest source of primary energy, COAL
sicetaitsimple wrote:To follow up on my post of 15/07 above on the programming of the exit of coal and lignite in Germany, the result of the auction for the closure of coal power plants in 2021 has just been published. About 5GW (4,78) as expected.
Note that among these 5 GW there are 3 units of around 800MW each commissioned in 2014/2015!
https://www.cleanenergywire.org/news/fi ... go-offline
There is something that escapes me: they shut down very recent power plants, while the selection criterion is
The awarded agency submitted bids based on the ratio between the asked compensation price and the resulting CO2 emissions reduction
Normally, it should have been the older plants that are technically less efficient, right? Especially since the operators logically prefer to discard the old plants.
Or it indicates that new coal-fired power stations are less efficient because they have to meet more environmental standards.
Suddenly the CO2 ratio effect is perverse since it favors older, more polluting power stations.
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