N-1Report - Redacted
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2.4 Submarine Cables As previously discussed in the Maritime Link Quarterly Reports, the first portion of NSPML's Cable Protection Project for the submarine cables took place in October and November of 2025. The second portion was initiall...
AI summary The Cable Protection Project by NSPML for submarine cables had its first phase in late 2025 and the second phase delayed from Q2 to Q3 2026 due to contractor commitments, as reported in previous quarterly updates.
Recommendation number 1 is closed. 1 engineering and planning activities progressed in order to prepare for the upcoming 2 campaign. The project remains on track to budget. 3 4 NSPML planned to perform a nearshore subsea inspection survey...
AI summary Engineering and planning activities for the NSPML project are progressing as planned, though a subsea inspection survey was postponed due to poor weather. NSPML confirms no changes to its maintenance and repair plan. Updates on CCI recommendations from 2021 are being provided through quarterly reports.
1. GENERAL During October 29th to 30th, the Independent Engineer (IE) team visited the Spare Cable storage site, Point Aconi Transition Compound, Woodbine Converter Station and Big Lorraine Electrode Site. NSPML management arranged for the...
AI summary The Independent Engineer (IE) team conducted site visits to key Maritime Link infrastructure locations, coordinated by NSPML and Eric Cayouette, with remote participation from Natural Resources Canada and Emera. The trip included inspections of cable storage, converter stations, and electrode sites, referencing the Maritime Link Fall 2025 Update.
2.1. Spare Cable Storage Site - The facility has been well maintained and is in good order. - IE witnessed the cable storage housing rotated; cable visual inspection was to follow. - The site is being monitored 24/7 by a 3rd party security...
AI summary The spare cable storage site is well-maintained, with the Independent Engineer inspecting the cable storage housing. The site is under 24/7 third-party security monitoring.
2.3. Woodbine Converter, Switchyard and Spare Parts Storage Site - The facilities have been properly maintained and are in good order. - Spare parts warehouse is well organized and in good order.
AI summary The Woodbine Converter, Switchyard, and Spare Parts Storage Site facilities are reported to be properly maintained and in good order. The spare parts warehouse is specifically noted as well-organized and in good condition.
e) Transmission and Grounding Lines. - HVDC and HVAC lines inspection by drones were completed. Backed out bolt on HVDC Line OPGW was corrected. - Inspection focus was on TL269 for potential Fall work/ outage. Outstanding damper replacemen...
AI summary Inspections of HVDC and HVAC lines using drones were completed, with corrections made to a bolt on the HVDC Line OPGW. Focus areas included TL269 for potential work, damper replacements, and LiDAR analysis of rights-of-way for vegetation treatment. Cutting activities are planned for high-risk sections of the NS grounding line.
f) Marine - Subsea rock installation work has been accelerated. Offshore activities were scheduled for early November 2025, while nearshore work will be carried out by a different vessel in Spring 2026. - This execution mitigates project r...
AI summary Subsea rock installation work has been accelerated, with offshore activities scheduled for November 2025 and nearshore work by a different vessel in Spring 2026. This approach mitigates project risk without incurring additional expenses.
a) HVDC System - Pole 1 outage is planned for September 14th to 17 th . - Pole 2 outage is planned for September 18 th to 22nd - No outages are planned for subsea cable for 2026.
AI summary Planned outages for Pole 1 (September 14–17) and Pole 2 (September 18–22) of the HVDC system are outlined, with no subsea cable outages scheduled for 2026.
b) Transmission and Grounding Lines - No outages are planned. - Inspection activities will take place in NS and NL using drones as well as recurring aerial inspections by helicopters.
AI summary No outages are planned for transmission and grounding lines. Inspections will use drones and aerial helicopter surveys in Nova Scotia and Newfoundland to ensure maintenance and reliability.
c) Vegetation management • Vegetation management activities will take place in NL and NS along with LiDAR data acquisition.
AI summary Vegetation management activities will occur in Newfoundland and Labrador (NL) and Nova Scotia (NS), alongside LiDAR data acquisition. This involves coordinated efforts in both regions to manage vegetation and collect geospatial data.
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.