Venezuela Blackout

 
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McGiever
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Post by McGiever » Thu. Mar. 28, 2019 9:09 pm

lsayre wrote:
Thu. Mar. 28, 2019 5:19 pm
Both of the Ohio nuclear plants that reside along the shore of Lake Erie are slated to be converted over to natural gas.
WOW!!!

How big of diameter natural gas pipeline main or how many CFM does it take to spin TWO 900 megawatt high pressure steam turbines 24/7-365?

Will they be the first Nuke ever to be converted, or is this already been done elsewhere?

I would think a PWR would be a better candidate than a BWR...turbine systems are radioactive contaminated in a BWR, so would carry over contamination into the boiler system which is vented to the atmosphere...not so were it a PWR.
Burning fossil fuels requires chimneys...never a Nuke.
Davis-Bessie is a PWR and Perry is the BWR.

Not sure I believe Davis-Bessie would ever have this happen, and Perry seems impossible...

 
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Post by lsayre » Fri. Mar. 29, 2019 3:51 am

I tried doing a search for my source for this, and can't find it. I recall reading it about a year ago. I may have completely misunderstood, and it's most likely that as they are phased out they will be replaced by natural gas plants, rather than being converted.

I could only find info on a Midland Michigan nuclear plant that was converted to natural gas, but that happened before it was fired up. The conversion began when it was 85% completed as a nuclear plant.

https://www.mlive.com/business/mid-michigan/2012/ ... ion_b.html

 
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Post by McGiever » Fri. Mar. 29, 2019 9:21 am

Maybe heard something about this...
There is a uncompleted second unit at the Perry site that has sat and been scavaged from for rare nuke parts for decades...has been talked about for decades likewise, that it could possibly have some potential for another fuel source conversion...sits in or next to 1100 acre wildlife sactuary so has been overlooked for some fuels as not good idea.
Last edited by McGiever on Fri. Mar. 29, 2019 9:41 am, edited 1 time in total.

 
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Post by franpipeman » Fri. Mar. 29, 2019 9:30 am

florida power and light build largest solar battery system for peak grid energy

https://www.energy-storage.news/news/usas-largest ... ge-project

 
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Post by oros35 » Fri. Mar. 29, 2019 10:23 am

lsayre wrote:
Thu. Mar. 28, 2019 5:19 pm
Both of the Ohio nuclear plants that reside along the shore of Lake Erie are slated to be converted over to natural gas.
Not converted to NG, replaced by new NG plants.
Once the Nuke plants shut down, that's it. The turbines will never turn again. It's the way the license works.


 
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Post by BigBarney » Fri. Mar. 29, 2019 11:42 am

Richard hit it on the head when referring to Infrastructure....

Many old power plants also have outdated connections so are

not worth repowering due to cost .

https://www.powermag.com/nrg-ends-effort-to-repow ... irk-plant/

Many old plants need new infrastructure to be cost effective into the

future ,because of the low interconnected voltage lines and distance to

major grid capacity.

BigBarney

 
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Post by McGiever » Fri. Mar. 29, 2019 2:29 pm

History has a way of repeating itself...

 
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Post by David... » Sun. Mar. 31, 2019 8:47 am

franpipeman wrote:
Fri. Mar. 29, 2019 9:30 am
florida power and light build largest solar battery system for peak grid energy

https://www.energy-storage.news/news/usas-largest ... ge-project
Wow, this is amazing. So now it is possible to use solar and wind power even in the dark and the wind is not blowing. I wonder how many people are required to keep a battery operational compared to a coal, NG, or nuclear plant?

David

 
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Post by coalnewbie » Sun. Mar. 31, 2019 3:30 pm

75MW is a drop in the bucket and serves a little developer-built nature reserve and people buying those $1MM homes feel good about themselves. It's just a good selling gimmick along with Japanese toilets and granite counter tops. They had better like pythons.

Peak power needs are in the summer. Sunny all morning and thunderstorms every afternoon. Not a so productive environment and a pathetically low energy production density. Winter is better but that is not peak power needs. I'm not impressed. OTOH Turkey Point provides enough electricity to meet the annual power needs of about 450,000 residential customers.

 
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Post by coalnewbie » Mon. Apr. 01, 2019 8:58 pm

It does however appear these guys are getting serious. Hmmmm.

https://oilprice.com/Alternative-Energy/Solar-Ene ... ystem.html


 
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Post by Richard S. » Tue. Apr. 02, 2019 7:44 am

franpipeman wrote:
Fri. Mar. 29, 2019 9:30 am
florida power and light build largest solar battery system for peak grid energy
The primary purpose of that is to act as buffer and make power output more predictable, in other words it's another added expense because of the unreliable nature of mother nature. While on the topic battery storage is going to prove to be more suitable for conventional power plants, you only need small amount of it. Instead of adding capacity you add storage to meet variable demand, the plant can then run all the time at it's highest efficiency and you have removed the cost of building capacity. This will make conventional plants even less costly tor run making it even more difficult for solar/wind to compete.

 
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Post by Richard S. » Tue. Apr. 02, 2019 7:54 am

David... wrote:
Sun. Mar. 31, 2019 8:47 am
Wow, this is amazing. So now it is possible to use solar and wind power even in the dark and the wind is not blowing.
It's to buffer the output. If for example you have one of those days with the big puffy white clouds where the sun is going in and out of cloud cover the power output will have significant swings. This is very bad for grid management and efficiency, they might as well not be making anything. It's just another example of the issues and expense related with power generation from these facilities.

 
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Post by coalnewbie » Tue. Apr. 02, 2019 11:18 am

one of those days with the big puffy white clouds where the sun is going in and out of cloud cover
Oh you mean like 90% of the days from Presque Isle down to Key West for 8 months of the year (at least). The huge Ontario solar field has now reduced their solar costs from $0.80 ro $0.53 a KWH but those giant fields are only producing 1% of Ontarios power. Of course, QC next door is in the 11th year of trying to get approvals to connect NYC to hydroelectric power for about 0.04c a KWH. However that is not sexy and new and no bribes were offered so no one cares. They are confident that they can sell the XS as they have just about an infinite supply.

 
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Post by BigBarney » Thu. Apr. 04, 2019 12:40 pm

Here's where were going ... Get on board or be left behind....

I used to be able to see the tall stacks at Nanticoke ,ON but

now gone replaced with solar panels.

http://theturtleislandnews.com/index.php/2019/04/ ... -facility/

https://electrek.co/2019/04/03/egeb-canadian-solar-coal/

Used to be largest coal power plant in North America.

https://www.huffingtonpost.ca/2016/03/14/nanticok ... 62472.html

BigBarney

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