b) Maintenance Outages - One week is scheduled for HVDC Pole 1 and Pole 2. The outage scopes will address IGBT replacement, annual converter transformer maintenance, fire protection systems, valve cooling maintenance and motor/ pump replac...
AI summary The document outlines planned maintenance outages for HVDC poles, including IGBT replacement and transformer maintenance. No planned outages are scheduled for HVDC or Grounding Lines. A minor AC Substation outage occurred due to an oil leak, and minor capital expenditures are expected in 2026 for land assets.
h) Forced Outages: - On Feb. 27, 2026 Pole 1 and Pole 2 DC Line Overcurrent Protection tripped both poles. Both A and B interstation communication links were lost between WB and BBK. - Third party provider apparently did not provide the re...
AI summary Forced outages occurred on Feb. 27 and April 21, 2026, due to communication failures and equipment issues. On Feb. 27, communication link failures led to manual control errors and pole outages. An interlock was installed to prevent future issues. On April 21, a replacement of a current measurement card restored Pole 1 to normal operation.
5. IE COMMENTS All sites are fully operational and in good order. Planned maintenance activities have been completed, with no reported safety or environmental issues. The 2026 Maintenance Plan is active, and maintenance outages have been s...
AI summary The IE comments confirm that all sites are operational with no safety or environmental issues. Maintenance activities are on track, and system performance metrics are within target. Some maintenance tasks are ongoing, and confidentiality has been applied to certain attachments.