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Sankaran Subramaniam's picture
Renewables evangelist Self employed

Experienced in Power sector with special focus on Renewables & Storage .  Share the sustainability story and be inspired

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  • Sep 11, 2020
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We can see how Coal power stations in US demonstrate flexibility based on live data in first week of Sep 2020 . However Nuclear is almost constant. Europe has nuclear also responding to flexing as per their monthly report.

i have pasted the link to the google sheets worksheet.

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Thank Sankaran for the Post!
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Matt Chester's picture
Matt Chester on Sep 11, 2020

Definitely an interesting data pull, Sankaran! Was there anything special about the week pulled that was why you chose those data compared with any other week, or was it just to find a representative unremarkable week? Do you think COVID/quarantine issues resulted in a change in demand loads that impacted how/when certain resources ramped up and down, and which resources those were?

Sankaran Subramaniam's picture
Sankaran Subramaniam on Sep 11, 2020

Thanks Matt .

This data is made available to us for the first time. I had the latest data for Sep 2020. 

No doubt there has been demand reduction followed by pick up due to covid 19. However that can be inferred only from a monthly consolidated report from EIA.  

The main purpose of my exercise was to observe how the Coal plants respond to daily changes of renewables and if they indeed flex as needed.

UK was a forerunner of Coal, plant flexibility dating back to 1999 when I was with them. We learnt a lot of how to flex the coal plants and commercially incorporate the costs into our bids.  US came into the scene much later. However clearly US coal plants are doing a lot of flexing as it appears from this data.

Indian coal sector is supported by USAID and EPRI in flexibility aspects and this topic is very current in Indian power scenario with 80 GW of renewables penetrating into a 375 GW power system.

     

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