Tuesday, March 12, 2024

Moscow, OH: 1991-2022 1.4gw Zimmer Power Plant

(Satellite)

1425.6mw supercritical [gem]

Sue Metz posted a 0:20 video
[The description says New Richmond, OH, but the comments corrected it as Zimmer near Moscow, OH. This is during an outage in 2016. So management invested a lot of money just six years before it was shutdown. Sounds like poor planning and some stranded assets.]
Steve Stotts: Zimmer, the largest coal fired nuclear plant in the world! 😉
David Johnson: Steve Stotts Huh? One or the other my friend.
Steve Stotts: David Johnson when construction was started on Zimmer it was designed to be a nuke, but due to circumstances that I can’t remember the details, construction stalled. A boiler was added, and the nuke became a coal fired plant. So we always called it a coal fired nuclear plant…kind of a joke. I hope you understand the humor!
Cleve Whatley: Would love to have seen more. I used to rewind those fields. Looks like a Westinghouse but not sure based on what is behind the "tombstone."
Kc Jones: Cleve Whatley that is a Westinghouse Nuclear rotor. It was converted once station abandoned the completion of the Nuclear site. Became a cross compound unit. A ABB Hp-Ip exhausting to the 1800 rpm Westinghouse nuclear rotor. the Hp nuclear turbine was removed. Leaving the two LP s and the Generator. As I recall. The ABB portion was close to 900 MW the Westinghouse portion generated approximately 450 MW. Plant is mothballed losing 1350 MW off the power grid. One of a kind unit.
Terry Napier: Definitely W.H. Zimmer. And it looks like they are working on the low pressure turbine.
W.C. Beckjord's turbine floor had brick and tile walls on the east side and all the boilers were on the west side.

Sue commented on her post

Sue commented on her post

Sue commented on her post

Sue commented on her post, cropped

Art Galea III commented on Sue's post
Inside the boiler. Each one of those squares of scaffold is 10’x10’.
[Have the water tubes been removed? Is this after the 2022 closure? The tubes would be a lot of scrape metal.]

Street View, Oct 2022

I saved a satellite image of the plant because it will probably disappear. Note the barges on both sides of the river. I don't see an option to get coal by rail. Probably because it was originally intended to be a nuclear plant.
Satellite

The plant may be closed, but we still have ash management. But it sounds like ash management is not what closed this plant. Rather the hybrid nuclear/coal design made it uncompetitive to run.
ashtracker

This was a paywall, but the 97% complete fact is surprising.
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