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Climate Change on Hydropower in Ghana |
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by Justice Obiri | 27-10-2019 14:00
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Located in Ghana is the biggest artificial lake in the world which is also the home and the main source of electricity to Ghana by the means of Hydropower generation. Recent changes in climate and rainfall has threatened the generation of power from the Hydropower plant (Akosombo Dam) located on the Akosombo Lake. The effects of temperature and rainfall changes on hydropower generation in Ghana from 1960–2011 were examined to understand country-wide trends of climate variability. Moreover, the discharge and the water level trends for the Akosombo reservoir from 1965–2014 were examined using the Mann-Kendall test statistic to assess localised changes. The annual temperature trend was positive while rainfall showed both negative and positive trends in different parts of the country. However, these trends were not statistically significant in the study regions in 1960 to 2011. Rainfall was not evenly distributed throughout the years, with the highest rainfall recorded between 1960 and 1970 and the lowest rainfalls between 2000 and 2011. The Mann-Kendall test shows an upward trend for the discharge of the Akosombo reservoir and a downward trend for the water level. However, the discharge irregularities of the reservoir do not necessarily affect the energy generated from the Akosombo plant, but rather the regular low flow of water into the reservoir affected power generation. This is the major concern for the operations of the Akosombo hydropower plant for energy generation in Ghana. image src: ghananewsagency.com
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7 Comments
Hello Justice
I hope you are doing well!
Nice report
Keep writing
Thank you so much for this report!
Looking forward to reading some more reports.
Green cheers!
Best regards
Hema
Posted 19-03-2020 11:26
Hello justice
Very nice
Thank you so much for this report
Yours
Susmita
Posted 26-02-2020 21:38
Hello Justice
First of all, I'm surprised by the huge size of the artificial lake. I can't imagine the scale of the energy produced by it. Climate change certainly is a serious threat in energy generation with hydropower. Reduced energy generation due to climate change gives people chance to reflect on themselves. One of the causes of the climate change is the destruction of the forests, and people should think about how much size of the forest was destroyed in the process of building that kind of dam. Human society should do everything to stop global climate change. There is no time to delay.
Thank you for the report.
Keep up the good work.
Posted 31-10-2019 00:18
Hello Justice
I do hope that you are fine and doing great with your works.
Thank you for your report about Climate Change on Hydropower in Ghana
Green Cheers from Nepal :)
Keep writing great reports.
We are eager to read more reports from you.
Regards,
Kushal Naharki
Posted 28-10-2019 23:19
Hello justice
I hope you are well.
Many information on Ghana to get learnt from you!
I am very much thankful!
Thank you so much for this report.
Green cheers
Regards
Asmita Gaire
Posted 28-10-2019 12:05
Hello Justice,
It's Lisa again:)
I didn't know that Ghana has been using hydropower plant!
Also, I am very sorry to hear that it is being threatened.
Reading your article, I could see how serious the problem is and I had many questions in my mind.
How are the government reacting to this problem?
Is there any technical ways to increase the flow of water into the reservoir?
Would the hydropower plant be closed soon?
I hope everything gets better for Ghana and I would like to know more about it!
Thank you and I enjoyed reading your article:)
Posted 27-10-2019 19:20
Hello Justice!!
I hope you are fine and doing great.
Thank you for well written report.
Keep writing and shining.
Hope to know from you.
Warm regards,
Meena
Posted 27-10-2019 16:25