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re: Entergy Submitts Plans to Build a Floating Power Plant in Leeville

Posted on 3/7/24 at 10:42 am to
Posted by Bard
Definitely NOT an admin
Member since Oct 2008
51687 posts
Posted on 3/7/24 at 10:42 am to
quote:

Situated atop a barge across from a substation in Leeville


Until it breaks loose during a hurricane and becomes situated on top of the substation.
This post was edited on 3/7/24 at 6:28 pm
Posted by BHMadden
Bossier City
Member since Aug 2018
65 posts
Posted on 3/7/24 at 10:47 am to
112 MW is not a lot to replace. Entergy will have the capacity to mitigate if they needed to. They would just redirect power from other assets/substations from the grid.

I would anssume engineering systems and structures would have weather safety factors in the design for imminent forces/weather.

This technique is somewhat popular in the Caribbean islands for power production. They’re built on barges to allow the owner/operator to disconnect and transfer to another location for a more profitable opportunity. Probably not a bad idea with how volatile and political Louisiana economy can be.

Black start is an independent startup system that’s contained by the plant. Could be a generator, but these barges have trended towards using energy storage (big arse batteries to go) for this application.

Here’s a link for a project I worked on for a similar plant Siemens built in the Dominican Republic:

LINK

This post was edited on 3/7/24 at 10:48 am
Posted by Tarps99
Lafourche Parish
Member since Apr 2017
7459 posts
Posted on 3/7/24 at 10:47 am to
quote:

If its on a barge, why couldnt they bring the barge inside the flood gate ahead of a storm?


Have you seen how narrow the Golden Meadow Floodgate is.

I would image the plant being the size of an oil drilling barge.

Something along this size:


They have fit rigs of this size in the flood gate. I guess they could use the East side of the bayou below Golden Meadow as a mooring area inside the system. Also you will have to deal with height the as the Leeville bridge gives you only 73 feet in vertical clearance. I am not sure what the vertical clearances for the bridges up the bayou if they wanted to stow it in Larose.

Then you have the disconnection and demobilization costs and what if the receiving structure is damaged. Then you have to fix that before it starts providing juice.

It would better located inside the system pernamently, and tie into the existing Natural gas network.

The whole structure would need to be built to at least 20 feet of elevation either on a manmade hill or pilings.
This post was edited on 3/7/24 at 11:06 am
Posted by Boudreaux35
BR
Member since Sep 2007
21517 posts
Posted on 3/7/24 at 11:27 am to
quote:

BHMadden



Interesting. Thanks for the info.
Posted by TigerBalsagna
tRedStick
Member since Jan 2015
729 posts
Posted on 3/7/24 at 12:49 pm to
As long as it holds fish.
Posted by cbree88
South Louisiana
Member since Feb 2010
5392 posts
Posted on 3/7/24 at 12:58 pm to
What happens during the storm surge from a hurricane? Does the barge break off of its chains and float away or does the the whole facility become inundated just like everything else around it?
Posted by geauxtreauxjans
???????
Member since Oct 2005
563 posts
Posted on 3/7/24 at 1:09 pm to
The plan is to barge it up inside the floodgates when a storm is approaching.
Posted by OLDBEACHCOMBER
Member since Jan 2004
7194 posts
Posted on 3/7/24 at 1:14 pm to
They better not plan to do much during Shrimp Season.
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