Hydropower

David B. Benson
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Posts: 1,889

Hydropower Jun 17, 2020 3:27:27 GMT 9.5 via mobile

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Climate change to hinder Africa's hydropower says IEA
Elizabeth Ingram
2020 Jun 16
Phys.org
www.powerengineeringint.com/renewables/hydroelectric/climate-change-to-hinder-africas-hydropower-says-iea/

But Nile River system to benefit at the expense of southern and western Africa

Last Edit: Jun 17, 2020 3:28:31 GMT 9.5 by David B. Benson

David B. Benson
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Posts: 1,889

Hydropower Jun 20, 2020 3:57:28 GMT 9.5 via mobile

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How a historic drought led to higher power costs and emissions
Laura Oleniacz
2020 Jun 19
Phys.org
phys.org/news/2020-06-historic-drought-higher-power-emissions.html

Reservoirs emptied at the same time that the price of natural gas increased.

David B. Benson Actinide Posts: 1,889	Hydropower Jun 21, 2020 3:12:41 GMT 9.5 via mobile engineerpoet likes this Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by David B. Benson on Jun 21, 2020 3:12:41 GMT 9.5 Pump Up the Storage Tom Murphy 2011 Nov 15 DoTheMath dothemath.ucsd.edu/2011/11/pump-up-the-storage/ The impossibility of much pumped hydro in the USA. h/t to Mr. Know It All @ Real Climate
	Last Edit: May 1, 2021 14:45:16 GMT 9.5 by David B. Benson

David B. Benson Actinide Posts: 1,889	Hydropower Jun 23, 2020 2:44:56 GMT 9.5 via mobile Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by David B. Benson on Jun 23, 2020 2:44:56 GMT 9.5 Pumped hydro schemes: www.realclimate.org/index.php/archives/2020/06/forced-responses-jun-2020/comment-page-2/#comment-768847 Wherein I point out that the economics fails.

David B. Benson
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Posts: 1,889

Hydropower Jun 23, 2020 7:10:13 GMT 9.5 via mobile

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US demand for clean energy destroying Canada's environment, indigenous peoples say
Matt Hongoltz-Hetling
2020 Jun 22
The Guardian
www.theguardian.com/environment/2020/jun/22/us-clean-energy-demand-destroying-canadian-environment-indigenous-peoples-say

Dams create conditions for methylmercury.

Last Edit: Jun 28, 2020 6:37:14 GMT 9.5 by David B. Benson

David B. Benson Actinide Posts: 1,889	Hydropower Jun 28, 2020 6:36:10 GMT 9.5 via mobile Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by David B. Benson on Jun 28, 2020 6:36:10 GMT 9.5 Ethiopia to begin filling disputed dam in 2 weeks Elias Meseret AP News apnews.com/863f43480c0e550fafe3837268d70228 Sudan and Egypt need the Nile River water as well.

David B. Benson
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Posts: 1,889

Hydropower Jul 5, 2020 7:46:20 GMT 9.5 via mobile

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Beginning of the end for megadam projects in China as solar and wind power rise
2020 Jul 04
The Japan Times
www.japantimes.co.jp/news/2020/07/04/business/megadam-projects-china-solar-wind-power/

Sites in Tibet too remote.

David B. Benson
Actinide

Posts: 1,889

Hydropower Dec 23, 2020 18:31:11 GMT 9.5 via mobile

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China's hydropower plant makes records after unprecedented test
2020 Dec 23
CGTN
news.cgtn.com/news/2020-12-23/China-s-hydropower-plant-makes-records-after-unprecedented-test-WsdDvNjxEQ/index.html

This hydropower dam has 800kV UHVDC transmission, only used in China. The valve mentioned is the way to switch off the transmission line in the event of a fault. I know enough to be impressed with this engineering feat.

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