N-1CI C0082085 67C-T64 Reactive Transformer Replacement - Report - Redacted
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DESCRIPTION: This project was for the replacement of the failed 67C-T64 transformer at the 67C Whycocomagh Substation. As the sole electrical supply for the Whycocomagh area, the existing 67C-T64 138–26.4 kV, 15/20/25 MVA transformer was r...
AI summary This project involved replacing a failed 67C-T64 transformer at the 67C Whycocomagh Substation with an equivalent unit from a future project to maintain service reliability. The failure was due to a non-repairable phase-to-phase fault, and a mobile transformer was temporarily used until the replacement was installed in October 2025.
102356Letter NSPI re: Capital Items Filed Outside the Quarter Package
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System Security Item 3: Partial confidentiality was applied to the System Impact Study Report (Attachment 1) for this capital work order. The enclosed information and distribution diagrams are confidential due to system security concerns....
AI summary Partial confidentiality was applied to the System Impact Study Report due to system security concerns. The information is considered confidential to protect the power system and reduce risks from external threats.
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