Topic:"Planned Outage" in M12962

Why do this project now? Unit 5 at Trenton has reached an inspection interval since the last maintenance outage in 2012. To ensure reliable and safe operation of Unit 5 Turbine it is recommended to complete this project during the 2025 cal...

AI summary Unit 5 at Trenton requires maintenance due to its inspection interval since 2012 and increased future demand. NS Power has deferred the project but now needs to complete it in 2025 to ensure reliable operation and reduce risks of unplanned failure. The risk profile highlights the need for refurbishment or replacement of LP and IP turbine components.

10 (d) Please refer to the Independent Energy System Operator of Nova Scotia's (IESO Nova 11 Scotia) 2026 10-Year System Outlook Report filed with the Board on June 26, 2026. 12 Trenton 5 will be required to operate through the winter of 2...

AI summary The document refers to the IESO Nova Scotia's 2026 10-Year System Outlook Report, which indicates that Trenton 5 will need to remain in operation through the winter of 2029/2030 to maintain a sufficient planning reserve margin. Trenton 5 can only be retired once new fast-acting generation is in service and reliable operation is established.

Request IR-6: In "Why do this project now?", NS Power noted that: Unit 5 at Trenton has reached an inspection interval since the last maintenance outage in 2012. … NS Power has successfully deferred this project over the last number of yea...

AI summary NS Power is requesting clarification on the maintenance and operational status of Trenton Unit 5, including actions taken since 2012, the impact of deferring the project, the unit's current and expected role, and its future generation forecast.