N-1Report - Redacted
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Recommendation number 1 is closed. 1 engineering and planning activities progressed in order to prepare for the upcoming 24 The benefits of the Maritime Link to customers in Newfoundland & Labrador and Nova 25 Scotia was particularly prove...
AI summary The text discusses the successful performance of the Maritime Link during extreme cold weather in January 2026, when Nova Scotia experienced a peak load record and the Bay D'Espoir hydro generator was offline. NS Power supported NLH to prevent rolling blackouts, and NLH later provided emergency energy assistance through the Maritime Link.
2.4. Big Lorraine Electrode Site - The facility has been properly maintained and is in good order. - There are currently no operational, security or maintenance concerns.
AI summary The Big Lorraine Electrode Site is reported to be in good condition with no operational, security, or maintenance concerns, indicating proper maintenance and current reliability.
d) 2025 Maintenance Activities - SPS (special protection system) is in service and working satisfactorily. Project completion report is pending. - 1230 HVDC maintenance work orders have been completed, as of end of September. No IGBT's fai...
AI summary The 2025 maintenance activities report indicates that the SPS is operational with a pending project completion report. 1230 HVDC maintenance work orders were completed by September, with VBE card replacements but no IGBT failures. Annual maintenance included valve cooling systems, converter transformers, fire protection, grounding, breakers, and wall bushings. Scheduled outages for Poles 1 and 2, followed by an electrode line outage, were conducted.
g) 2024 Power Availability as end of September 2024 - Monopole 100.00% - Pole 1 98.26% - Pole 2 98.24% - Bi-pole 96.50%
AI summary As of end of September 2024, power availability for Monopole is 100%, Pole 1 is 98.26%, Pole 2 is 98.24%, and Bi-pole is 96.50%. These metrics indicate the operational status of transmission infrastructure components.
h) Forced Outages: • Pole 1 reactor door expansion during high outside temperatures initiated a pole trip (July 2025). Solution is pending.
AI summary A forced outage occurred in July 2025 when Pole 1 reactor door expansion during high temperatures triggered a pole trip. A resolution to this issue is currently pending.
5. IE COMMENTS All sites are fully operational and in good order. Planned maintenance has been completed, with no safety or environmental issues reported. The 2026 Maintenance Plan is in place, and scheduled outages have been arranged acco...
AI summary The Independent Engineer reports all sites are operational with no safety or environmental issues. The 2026 Maintenance Plan is implemented, and scheduled outages are arranged. HVDC forced outages are under analysis, with Link performance at 100% monopole and 96.50% bipole availability as of September.