There is spam to console:
65.282 Script @PowerOverload/scripts/transformer.lua:107: Decreasing buffer size to support 0MW
65.282 Script @PowerOverload/scripts/transformer.lua:107: Decreasing buffer size to support 1MW
65.282 Script @PowerOverload/scripts/transformer.lua:107: Decreasing buffer size to support 8MW
65.282 Script @PowerOverload/scripts/transformer.lua:107: Decreasing buffer size to support 32MW
65.282 Script @PowerOverload/scripts/transformer.lua:107: Decreasing buffer size to support 80MW
65.282 Script @PowerOverload/scripts/transformer.lua:107: Decreasing buffer size to support 568MW
Version 1.2.4
I've wrote a patch that adds setting to prevent this spam. Please check github. There is pull request.
Or raw patch: https://pastebin.com/1mCuavsL