N-2NSPI (NSEB) RIR 1 to 9
15 passages
1 (d) NS Power has taken deliberate and sustained action, consistent with the investments 2 outlined in part (c), to support reliability performance on these feeders. NS Power believes 3 appropriate measures have been implemented to addres...
AI summary NS Power has implemented measures to improve reliability on specific feeders, including projects like FLISR. The feeders face challenges due to their remote locations, difficult terrain, and environmental risks. Asset replacement projects have been undertaken to address these issues and enhance reliability.
replacement projects have been 19 undertaken to improve reliability. 85S-401 contains many off road spans and 22 30 events is becoming more constrained, which amplifies the scale and risk of service 21 occurrence and duration concerns. 23...
AI summary The text discusses the challenges faced by utility infrastructure in urban areas, particularly related to reliability and outage restoration. It highlights the need for replacement projects and the selection of Metro feeders as a strategy to mitigate risks such as traffic congestion and limited redundancy.
20 numerous bring to roadside projects have been advanced to reduce outage 1 interruptions. These feeders present operational challenges and constraints that 11/19/2023 11S-411 6.72 7 Adverse Weather 11/19/2023 11S-411 20.11 1 Tree Contact...
AI summary The document outlines multiple outages and interruptions related to feeders, with a focus on causes such as tree contacts, adverse weather, defective equipment, and foreign interference. These issues present operational challenges and constraints.
NON-CONFIDENTIAL 1 Coordination (TCC). In a conventional coordination scheme, protective devices are 25 protection device is likely open. The inputs can include AMI data, Remote Terminal Unit 26 data via the SCADA system, customer outage c...
AI summary The text discusses the coordination of protective devices in a conventional scheme and the benefits of FLISR solutions in improving outage management. It also includes a request for reliability metrics (SAIDI, SAIFI) and their expected improvements after implementing a project, along with how the project's performance will be tracked.
configuration, other ongoing reliability investments, weather conditions, and the type of FLISR solution applied in each case. In consideration of these factors, particularly those outside NS Power's control, the exact expected reduction i...
AI summary The document discusses factors influencing the expected reduction in CKAIFI and CKAIDI due to FLISR implementations, noting that external factors make precise estimation difficult. It references case studies and highlights the benefits of FLISR in reducing risk, limiting customer impact, and improving feeder resilience.
1 (c) As noted in part (b), the project is not designed or intended to prevent outage events from 2 occurring, but improvements in reliability performance will be reflected in overall circuit 3 performance (CKAIDI and CKAIFI), primarily th...
AI summary The project aims to improve reliability performance through faster restoration and reduced customer impact, not to prevent outages. Performance will be evaluated using NS Power's asset management framework. FLISR technology was selected for its unique functionality and complementarity to existing systems, with federal funding offsetting capital costs.
Fault Location, Isolation, and Service Restoration NS POWER ASSESSMENT 2025
AI summary The document outlines NS Power's assessment related to Fault Location, Isolation, and Service Restoration (FLISR) for 2025, focusing on improving grid reliability and outage management.
The primary goal of FLISR is to reduce the impact and duration of outages. The following table demonstrates how FLISR augments traditional technologies to provide the most benefits to customers. Method Customers Impacted Speed to Restorati...
AI summary FLISR aims to reduce outage impact and duration by improving restoration speed. Traditional methods like manual restoration and automated sectionalizers/reclosers have limitations in speed and scalability. FLISR provides faster and more precise fault isolation and restoration. Conventional P&C TCC coordination introduces delays and limits scalability.
2.3.1 Reliability and Resilience Improvements - FLISR reduces the frequency, impact, duration of outage events improving reliability indices. - Devices make real time autonomous decisions to reconfigure the grid during outage conditions, r...
AI summary FLISR technology improves grid reliability by reducing outage frequency, impact, and duration through real-time autonomous decisions, minimizing human intervention and enhancing fault response speed and safety.
2.3.3 Operational Efficiency - FLISR Schemes improve cost effectiveness by reducing manual switching and fault patrols, lowering field technician hours, truck rolls, vehicle maintenance, and GHG emissions. - When fault location data is ava...
AI summary FLISR schemes enhance operational efficiency by reducing manual tasks and optimizing crew deployment during outages, leading to lower costs and GHG emissions. Fault location data enables more effective restoration efforts.
The deployment of FLISR presents a few key technical and operational challenges that must be managed as described in the table below: Risk / Challenge Mitigation Communications infrastructure must be robust for some FLISR technologies to b...
AI summary The deployment of FLISR (Fault Location, Isolation, and Service Restoration) requires addressing challenges such as robust communications infrastructure, accurate ADMS grid models, training for distribution grid operators, and securing investment support. Mitigation strategies include telecom planning, grid model validation, OCM plans, and exploring government funding programs.
3.0 Jurisdictional Scan FLISR technology is being deployed and expanded across North America. The primary goals across these utilities are improving reliability, minimizing outage durations, and increasing operational efficiency through FL...
AI summary FLISR technology is being deployed across North America to improve reliability, minimize outage durations, and increase operational efficiency. Utilities have shared publicly available results and metrics demonstrating these improvements.
3.2.2 Oshawa Power[12](#page-48-2) Background: Oshawa Power initiated the deployment of its FLISR system in December 2021. As of year-end 2023, more than 40% of their grid is now connected to the FLISR system. This implementation represent...
AI summary Oshawa Power has deployed its FLISR system since December 2021, with over 40% of their grid connected by the end of 2023. The system is part of a broader grid automation strategy to improve reliability and customer service through a two-layer approach combining centralized and decentralized components.
3.2.3 Enova[13](#page-48-3) Background: Enova, and its two legacy utilities, leverage the Advanced Distribution Management System (ADMS) and FLISR deployments to lower the frequency and severity of unplanned power outages across its servic...
AI summary Enova utilizes the Advanced Distribution Management System (ADMS) and FLISR software to reduce the frequency and severity of unplanned power outages. These technologies automatically reroute power during faults, restoring service to customers quickly and improving overall system reliability.
Date Filed: October 2, 2025 NSPI (NSEB) IR-6 Page 1 of 1 1 Request IR-7: 2 3 Attachment 1, 2 and 3 notes that "Deficiencies in protection and/or coordination will be 4 identified and recommendations for improvements will be provided. Compu...
AI summary The document outlines a request for information regarding the FLISR solution, including GIS maps, equipment locations, and explanations of grid resilience benefits. The response indicates that FLISR improves grid resilience by reducing customer interruptions and enabling faster service restoration. No deficiencies or limitations have been identified in the planning or installation phases.