Pigeons are not so much an issue but crows and other animal contact in substations are a big problem. Manitoba Hydro and other Canadian utilities have started to use Greenjacket covers in the substations. Link

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Question
Are you also seeing problems with pigeons in substations causing shutdowns?
- Mar 30, 2022 9:13 am GMT
We are facing problems with pigeons in our substations, they are causing shutdowns. do you also have problems with birds in your substations? how are you working on this problem?
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Hi Carlos, Unfortunately, we have seen this problem with wildlife and especially Avian wildlife that can do a lot of damage to our substations if not kept in check; here is a friendly link I think might help:
https://aviancontrolinc.com/why-are-electric-substations-attracting-nuis...
Several HI frequency bird repellents can also work well.
Best!
Joseph
Dr. McGarvey
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