Topic:"Disconnection Procedures" in M12619

2026 Annual Capital Expenditure (ACE) Plan (NSEB M12619) NSPI Responses to NSEB Information Requests 1 (f) This project will be completed leveraging both internal resources and specialized external 11 (a) Is the utility suggesting that the...

AI summary The response addresses a question about power disconnection protection during emergencies, clarifying that while substations have standard protection devices, they may not automatically trip in non-electrical fault emergencies like fires or accidents. The response highlights the need for external notification in such cases.

Request IR-144: - The application notes a system operator can remotely disconnect power within seconds in an emergency (such as a house fire or car accident) compared with response times of approximately 45 minutes or more for a field crew...

AI summary The application highlights the ability of a system operator to remotely disconnect power in emergencies, such as a house fire or car accident, within seconds, compared to the much longer response time of a field crew. The utility is being asked whether there are no other protections available for disconnecting power in such situations, with a request to explain using the substation protection drawing.

rse and non-adverse weather conditions, by increasing the separation between tree lines and power lines. As confirmed in response to CA IR-24(d), the 40% estimate continues to be validated through the experience and assessment of NS Power'...

AI summary NS Power discusses its methodology for estimating tree contact risks, validated by subject matter experts and field reviews. It acknowledges the 40% estimate remains reasonable and will continue to refine it as the vegetation management program evolves. The document references the 2026 ACE Plan Hearing Transcript and related exhibits.