Topic:"System Reliability" in M13052

2.2 Basic Restoration Principles In response to an emergency, NS Power places the safety of the public and its employees as its highest priority. NS Power works in partnership with other emergency agencies to respond quickly and effectivel...

AI summary NS Power prioritizes public and employee safety during emergencies, working with emergency agencies to restore services. Restoration follows a prioritized order, starting with public safety and critical infrastructure before moving to customer services. Crews repair individual services after restoring street-side supplies and ensuring service masts are intact and safe.

3.0 EVENT MONITORING TEAM Ongoing monitoring and evaluation of NS Power's power system conditions and assessment of weather conditions, alerts and warnings is conducted at the Ragged Lake Control Centre. If a forecast weather event is expe...

AI summary The Event Monitoring Team (EMT) is responsible for monitoring weather conditions and power system status at the Ragged Lake Control Centre. If a significant weather event is forecasted, the EMT evaluates the impact and recommends the appropriate response level, including EOC activation or continued monitoring. The EMT includes representatives from various teams and follows a structured agenda for meetings.

5.0 OUTAGE RESPONSE LEVELS AND ESCALATION This plan is intended to provide scalability in the response to a major outage event. It does not attempt to exhaustively describe every type of event that could occur, nor does it try to replace t...

AI summary This section outlines four response levels for managing major outage events, emphasizing scalability and the coordination of resources for restoration activities, while acknowledging that it does not cover every possible scenario.

5.1.1 Level 1 – Regional Service Restoration Response A Level 1 regional service restoration response shall be initiated by the affected Region Operations Lead (or designate) when it is anticipated that an event will affect less than 50,00...

AI summary A Level 1 regional service restoration response is triggered when an event is expected to affect fewer than 50,000 customers and restoration is anticipated to be completed within twelve hours, as determined by the affected Region Operations Lead or designate.

5.1.2 Level 2 – Multi-Region Service Restoration Response A Level 2 service restoration response shall be initiated by the Director of Energy Delivery Operations (or designate) when it is anticipated that restoration can be completed withi...

AI summary Level 2 service restoration response is initiated by the Director of Energy Delivery Operations when restoration is expected to be completed within 36 hours for less than 50,000 customers or 24 hours for more than 50,000 customers. The response may escalate to Level 3 if external resources are needed, and remains active until full restoration or escalation to Level 4.

5.1.3 Level 3 – Provincial Service Restoration Response A Level 3 service restoration response shall be initiated by the Storm Lead when it is anticipated that restoration will be completed within 72 hours with more than 50,000 customers o...

AI summary Level 3 service restoration response is triggered when more than 50,000 customers are without power and expected to be restored within 72 hours, or when less than 50,000 customers are affected and restoration will take longer than 36 hours. The response remains active until all affected customers have power, unless escalated to Level 4.

6.3 EOC Activation & Operation The Ragged Lake Control Centre is an essential facility for power restoration activities during weather events and it is crucial that this facility has uninterrupted and reliable power throughout the event. A...

AI summary This section outlines the activation and operation of the Emergency Operations Centre (EOC) during power restoration events. It details the steps involved in setting up the EOC, managing system security, resource allocation, and post-event procedures, including the use of predictive models and damage assessments to guide restoration efforts.

Specific Accountabilities – Storm Lead: - Ensure that all safety and security procedures are being followed and that any significant risks and hazards identified are addressed - Engage in pre-event assessments with Operations staff - Initi...

AI summary The Storm Lead is responsible for ensuring safety and security procedures during storms, initiating emergency responses, activating the Emergency Operations Centre (EOC), managing resources, and leading post-event reviews and reporting.

6.6.4 Restoration Planning & Performance Lead The Restoration Planning & Performance (RPP) Lead is responsible for weather monitoring and tracking, damage prediction, the planning and execution of damage assessment, resource planning, and...

AI summary The Restoration Planning & Performance Lead oversees weather monitoring, damage prediction, and resource planning during power outages. They coordinate with the EOC and other teams to assess damage, project manpower needs, and develop an integrated restoration plan. The Damage Assessment Team provides early impact assessments and person-hour projections.

6.6.5 Control Centre Operations Lead The Control Centre has the responsibility for the integrity and the safe and effective operation of the Transmission and Distribution Systems. The Control Centre follows its System Operating Procedures...

AI summary The Control Centre Operations Lead is responsible for ensuring the safe and effective operation of the Transmission and Distribution Systems, providing the EOC with information on power system performance, and coordinating with the RPP team. The EOC, in turn, ensures timely information sharing with the Control Centre regarding restoration efforts and event impacts.

Specific Accountabilities – Control Centre Operations Lead: - Ensure that all safety and security procedures are being followed and that any significant risks and hazards identified are addressed - Ensure the power system is operated withi...

AI summary The Control Centre Operations Lead is responsible for ensuring safety, security, and proper operation of the power system within established criteria. They coordinate with various teams, manage staffing, report reliability issues, and participate in emergency and post-event activities.

Specific Accountabilities – Transmission Operations Lead: - Ensure that all safety and security procedures are being followed and that any significant risks and hazards identified are addressed - Liaise with the Damage Assessment Leads to...

AI summary The Transmission Operations Lead is responsible for ensuring safety and security procedures, liaising with various leads for resource coordination and damage assessment, developing restoration plans, and communicating progress to the EOC Team. They also manage equipment settings, document storm damage, and participate in post-event reviews.

Level 3 & Level 4 - Ensure that all safety procedures are being followed and that any significant risks and hazards identified are addressed - Lead the Energy Delivery Operations pre-event planning effort - Assign Operations Leads for all...

AI summary This section outlines the responsibilities and procedures for managing energy delivery operations during and after a storm event, including safety protocols, resource planning, communication with emergency operations centers, and post-event reviews.

6.6.17 Power Production Lead For events that may have a Power generation or system capacity impact a Power Production Lead may be requested in the EOC to act as a liaison between the Power Production fleet, the Control Center and the EOC.

AI summary The Power Production Lead role is established in the EOC to serve as a liaison between the Power Production fleet, the Control Center, and the EOC during events that may impact power generation or system capacity.

EOC Escalation Sub-Process 1 The following describes the process by which NS Power would escalate its response to conditions affecting the system reliability.

AI summary This section outlines the process by which NS Power escalates its response to conditions that affect system reliability, focusing on the EOC Escalation Sub-Process 1.

Responsibilities: Control Centre: • Responsible for monitoring conditions that would affect the continued reliability of NS Power's transmission and distribution system. Event Monitoring Team (EMT): (Operating Leads and Managers): - Respon...

AI summary The Control Centre is responsible for monitoring system reliability, while the Event Monitoring Team (EMT) evaluates potential impacts on the transmission and distribution system, notifies the EOC Storm Lead, and communicates with the EOC regarding outages and events.

Procedure: - 1) RPP staff monitor the following conditions that would affect the reliability of NS Power's transmission and distribution system: - o Severe weather - External conditions e.g. Fires in transmission ROW - When the RPP staff r...

AI summary This procedure outlines the steps taken by RPP staff and the Event Monitoring Team to assess and respond to conditions that may impact the reliability of NS Power's transmission and distribution system, including the activation of the Emergency Operating Center in severe cases.

APPENDIX 7 – Post-Event Review List Post Event Review Debrief Area Responsibility 1 Response Management Storm Lead 1.1 EMT Calls/decisions – Date/Time, outcomes Storm Lead 1.2 Response level declared on a timely basis and communicated effe...

AI summary This document outlines a post-event review list for a storm response, covering response management, safety performance, weather characteristics, and system impact. It includes various responsibilities and areas for evaluation, such as EOC operations, incident investigations, and transmission line damage.

RESTORATION STATUS REPORT (forward to: ) Time: Prepared by: Region): Tree Crews: PLT Other Yes No not responding etc. fatigue, lack number of non-outage Western Activities: Period: Line Crews: requested: Incidents/Issues): Contact: crews d...

AI summary This document outlines the restoration status report for transmission and emergency services, detailing outages, affected areas, customer impact, and restoration activities. It includes tables for tracking the number of lines and substations faulted, resources deployed, and issues affecting progress.

Event Monitoring Team Conference Call Agenda & Log Date: Time: Call Participants Title/Role Person on the call Storm Lead - Chair Control Centre Representative Regional Operations Representative Customer Care Representative Corporate Commu...

AI summary The document outlines the agenda and log for an Event Monitoring Team conference call, focusing on weather updates, system security risks, anticipated impacts on transmission and distribution systems, resource planning, customer messaging, and decision-making triggers for escalation. The call involves multiple representatives from various departments.

Storm Event Review – RPP - Weather forecast update - Event prediction model - System Impacts, System Security Issues, Customer Outages

AI summary The document outlines a Storm Event Review related to the RPP (Restoration Plan Process), covering weather forecasts, event prediction models, system impacts, system security issues, and customer outages.

Roundtable: plan implementation and status updates - Safety - Control Centre Ops - Transmission Ops - Energy Delivery Ops - External Resources - Restoration Planning & Performance - Customer - Logistics - EMO Liaison - Corporate Communicat...

AI summary The document outlines the structure of a roundtable focused on plan implementation and status updates, covering various operational and support areas such as safety, control centre operations, transmission operations, energy delivery, external resources, restoration planning, customer services, logistics, EMO liaison, corporate communications, and internal resources.