N-1Q3 Report 2025
7 passages
1. GENERAL On July 29th and 30thth Independent Engineer (IE) team visited Bottom Brook Converter Station, Indian Head Electrode Site and Cape Ray Transition Compound and conducted visual spot checks of HVDC transmission line towers as well...
AI summary An Independent Engineer (IE) team conducted visual inspections of HVDC and HVAC transmission line towers at several sites in July 2025, including Bottom Brook Converter Station, Indian Head Electrode Site, and Cape Ray Transition Compound. NSPML managed the logistics and coordination of the trip, with Eric Cayouette overseeing the meetings and preparation of reference documents.
2.1. HVDC Line - Tower 55, 56, 124, 259 and 260 bases and guy wire anchors were visually inspected - The transmission line is well maintained and in good condition. However, a missing cotter pin was observed at the guy wire of Tower #055....
AI summary The HVDC line's towers and right-of-way were visually inspected, revealing that the transmission line is well maintained. However, a missing cotter pin was found at Tower #055, and some localized vegetation growth may obstruct drone inspections.
2.2. HVAC Transmission Line - Structures 705, 706, and 773 bases and guy wire anchors were visually inspected - The transmission line has been well maintained and is in good order. - The right-of-way has been maintained, cleared, and treat...
AI summary The HVAC transmission line structures 705, 706, and 773 were visually inspected and found to be in good condition. The right-of-way has been maintained, but localized vegetation growth may hinder inspections. Targeted vegetation management is recommended.
e) Active Power Availability as end of June 2025 - Monopole 100.00% - Pole 1 99.95% - Pole 2 99.24% - Bipole 99.19%
AI summary The text provides a summary of active power availability for different transmission lines as of the end of June 2025, with percentages indicating the operational status of each line.
g) HVDC Special Initiatives: • Bottom Brook SPS- hardware has been installed. Commissioning was scheduled for July 31st .
AI summary The Bottom Brook SPS hardware has been installed, with commissioning scheduled for July 31st as part of the HVDC Special Initiatives.
4.1 Introduction The Maritime Link is owned and operated by NSP Maritime Link Inc. (NSPML), a wholly owned subsidiary of EMERA Newfoundland & Labrador (ENL) Holdings Incorporated. Commercial operation of the Maritime Link commenced on Janu...
AI summary The Maritime Link, owned by NSPML, began commercial operations in 2018. NSPML is working with Nalcor and Newfoundland & Labrador Hydro on commissioning and integration tests for the LIL HVDC. The IE review ensures that assets are maintained according to Good Utility Practice.
4.7HVDC Special Initiatives - Bottom Brook SPS: NSPML and NLH are engaged regarding the timing and scope of the commissioning tests. - Data Diode: Development is in progress. The objective of this feature is to enhance operational visibili...
AI summary The document discusses ongoing initiatives related to HVDC systems, including commissioning tests at Bottom Brook SPS, development of a data diode for operational visibility, and the completion of a short circuit study for the ML.