N-12025 Report
19 passages
2025 Annual Performance Standards Report Non-Confidential 1 3.2 Adverse Weather Response Standards 2 The NSEB approved the following metrics associated with adverse weather response standards: 3 4 (a) Customer notification of an oncoming s...
AI summary The NSEB approved adverse weather response standards for 2025, including metrics for customer notification during severe weather, call handling during outages, polite disconnect rates, ETR updates, and restoration targets for major/extreme weather events. These standards aim to improve emergency response and system reliability.
e feeder. 4 Had this outage occurred in winter, in a less accessible off-road location, restoration time would 5 have likely been a minimum of four hours. 6 Extreme Weather Conditions 7 The area fed by 85S-401 is rugged and exposed, runnin...
AI summary The text discusses the challenges faced by NS Power in restoring power on feeder 85S-401 due to extreme weather conditions in the Cape Breton Highlands, including harsh winter conditions, inaccessible locations, and heavy snowfall, which could significantly delay restoration times.
d has multiple branch lines off the main roads. It is extremely rural serving many 12 cottages and remote homes. 13 The 91W Middlefield substation is served by the 69 kV transmission line L-5532. 14 Feeder 91W-411 experienced 83 outage eve...
AI summary The 91W Middlefield substation, serving a rural area with remote homes, experienced 83 outages in 2025, including 19 on Major/Extreme Event days. 4 outages affected all customers, while others were due to planned events, foreign interference, customer-owned equipment, and vegetation management. NS Power collaborated with customers on equipment-related issues.
itional challenges. Over 56,000 13 customers were without power during the event as shown in Figure 66. 14 All Performance Standards Metrics for the December 3, 2025 event are summarized below. DATE FILED: March 31, 2026 Page 94 of 115 202...
AI summary The December 3, 2025 storm event left 56,867 customers without power. Performance standards metrics (e.g., 100% customer restoration within 48 hours, 96.98% outage calls answered in 45 seconds) were achieved, though the EOC was not activated. SAIDI and SAIFI values were 0.43 and 0.10, respectively, reflecting outage duration and frequency.
CHI SAIFI SAIDI December 3, 2025 56,867 237,934 0.10 0.43 8 9 Restoration Profile and Restoration Challenges 10 During this storm day, travel conditions deteriorated due to accumulating snow further 11 complicating access to outage locatio...
AI summary The text details a storm on December 3, 2025, causing outages in Nova Scotia, with peak wind gusts up to 98 km/h in Cape Breton. Despite challenging conditions, 100% of affected customers were restored within 48 hours, highlighting restoration efforts and performance metrics (SAIFI, SAIDI). Regional gust data and outage timelines are emphasized.
Restored 5000 0 West Metro Northeast Cape Breton Provincial Customers 2 3 NS Power’s Customer Care Centre received 12,322 calls during the December 3, 2025 MED. 4 96.98 percent of calls were answered within the 45-second target. Over 81 pe...
AI summary NS Power's Customer Care Centre handled 12,322 calls during the December 3, 2025 MED, achieving 96.98% call answer rates within 45 seconds. 81.4% of customers were satisfied with HVCA self-service, while 3,203 opted for CSA assistance. Metrics highlight service efficiency during outage events.
22 second) Service Level (Percentage Answered 96.98 in 45 Seconds or Less) 2 3 Crew Information 4 NS Power mobilized over 300 field personnel to restore power for the December 3, 2025 MED. 5 Figure 67 shows the number of PLTs and Forestry...
AI summary NS Power mobilized over 300 field personnel, including Powerline Technicians, external technicians, and Forestry Workers, across regions like Cape Breton, Metro, Northeast, and West to restore power during the December 3, 2025 Major Event Day (MED). Figure 67 details resource deployment by region.
Northeast 8 West 34 Cape Breton 3 Metro 0 Transmission Line PLTs & Operators Northeast 3 West 0 Total 282 2 3 DATE FILED: March 31, 2026 Page 99 of 115 2025 Annual Performance Standards Report Non-Confidential 1 5.2 Extreme Event Day and M...
AI summary A severe wind and rain event from December 19-20, 2025, caused widespread power outages and restoration challenges in Nova Scotia. The report details performance metrics for this Extreme Event Day (EED) and Major Event Day (MED), including wind gusts up to 115 km/h and heavy rainfall. Environment Canada issued warnings, and NS Power tracked restoration efforts.
SAIDI and SAIFI 5 The SAIDI and SAIFI results for the December 19-20, 2025 EED/MED are set out in Figure 69. 6 Figure 69 – SAIDI and SAIFI Values for December 19-20, 2025 EED/MED Date CI CHI SAIFI SAIDI December 19-20, 2025 270,411 2,129,9...
AI summary The document presents SAIDI and SAIFI metrics for the December 19-20, 2025 EED/MED event, highlighting 270,411 customer interruptions and 3.85 hours of average interruption duration. High winds, saturated soil, and flooding caused widespread outages, complicating restoration efforts due to flooded roads and inaccessible locations.
25 Peak Gusts by Region Region Peak Gust (km/h) Valley 96 South Shore 83 Northern 74 Northeast 104 Metro 100 Eastern Shore 115 CB West 96 CB East 91 3 4 Restoration began at the onset of storm-related outages and continued through December...
AI summary The document details storm-related outages in Nova Scotia, with peak gusts up to 115 km/h on the Eastern Shore, and restoration efforts lasting until December 23, 2025. A customer outage profile shows a peak of 136,263 outages at 01:30 on December 20, 2025.
2025 120000 Total Customers Out 100000 80000 60000 48 Hours Dec 21 15:25 40000 98.9% Restored 20000 0 West Metro Northeast Cape Breton Provincial Customers 2 3 NS Power’s Customer Care Centre received 56,401 calls during the December 19-20...
AI summary NS Power's Customer Care Centre handled 56,401 calls during the December 19-20, 2025 EED/MED, with 93.32% answered within 45 seconds. 79.7% of customers were satisfied with HVCA self-service, while 12,100 opted for CSA assistance. Figure 72 details these metrics.
ntial HVCA Satisfied (Self Service) 50,172 Agent Answered (Voice) 12,100 Percentage HVCA Satisfied 79.70% # of Polite Disconnects 7 Average Speed of Answer (in 104 second) Service Level (Percentage Answered 93.32% in 45 Seconds or Less) 1...
AI summary The document outlines NS Power's customer service performance (HVCA satisfaction, call handling metrics) and details mobilization of over 400 field personnel to restore power during the December 19-20, 2025 EED/MED event, referencing Figure 73 for crew deployment data.
4.8 18 2025 Result 2.64 4.15 2.30 5.11 4.78 2025 Target 3.0 4.9 3.2 6.2 13.7 The data for the New Service Connection Times metric is extracted from Maximo using NC-SD, NC-PTX, TP, NC-LE1, and NC-LE2 order types for all completed work for t...
AI summary The document outlines communication strategies for storm days in December 2025, detailing NS Power's use of its website and social media (Twitter, Facebook) to update customers during emergencies. It references the Emergency Operations Centre (EOC) opening times and includes supporting documentation for each storm date.
2025 Performance Standards Report Appendix E Page 4 of 5 3. NS Power Website – December 19, 2025 4. Social Media – December 19, 2025 Twitter Facebook 2025 Performance Standards Report Appendix E Page 5 of 5 2025 Performance Standards Repor...
AI summary The 2025 Performance Standards Report includes data on outage call handling during Major Event Days (MED), with 93.32% of calls answered within 45 seconds during Dec 19-20, 2025. Data sources are CISCO Unified Intelligence Center (CUIC) and High-Volume Call Answer (HVCA) systems, excluding regular business and abandoned calls.
Appendix L Percentage of Customers Restored Within 48 Hours Major Event Days Date (YYYY-MM-DD) Number of Customers Percentage of Customers Restored in First 48 Restored in First 48 Hours Hours 2017-02-13 51,484 97.61 2017-03-14 44,683 100....
AI summary Appendix L presents data on customer restoration rates during Major Event Days (MEDs) from 2017–2020, showing percentages of customers restored within 48 hours. Most events achieved 100% restoration, though 2019-09-09 had a notable 79.95% restoration rate, indicating variability in service reliability during outages.
Figure 2 – CKAIDI and CKAIFI 2026 Problem Feeders Metric Feeders CKAIDI 76V-301 85S-401 CKAIFI 91W-411 57W-402 15N-401 If any of the problem circuits identified above are among the worst 5 percent of the company’s circuits for the third co...
AI summary The document outlines performance standards for identifying chronic circuits based on CKAIDI/CKAIFI metrics and adverse weather response criteria. NS Power will compare chronic circuit performance against industry benchmarks in 2026, while the Board has mandated annual compliance checks for metrics like outage restoration times, customer notifications, and ETR updates during severe weather events.
dards (vi) Outage Report for adverse weather events impacting ≥ 30,000 customers. Compliance: NS Power’s compliance across all adverse weather response metrics will be assessed on an annual basis. Standard 5 – Customer notification of an o...
AI summary NS Power must report outages from adverse weather events affecting ≥30,000 customers annually and notify all customers of severe weather within 4 hours of opening its Emergency Operations Centre. Call centre performance is measured by the percentage of calls answered within 45 seconds by representatives.
6.5 10.8 Standard Deviation 0.4 0.6 0.7 0.8 1.6 2026 Target 3.0 4.9 3.2 6.2 12.4 Exclusion: When NS Power experiences MEDs and EEDs (as defined using the established MED and EED thresholds via the IEEE 1366-2012 Standard 2.5 and 3.5 Beta m...
AI summary The text outlines NS Power's exclusion criteria for performance standards during Major Event Days (MEDs) and Extreme Event Days (EEDs), referencing IEEE 1366-2012 standards and excluding Hurricane Dorian's outage data. It allows NS Power to omit service connection times during and after these events to account for recovery periods.
86.65 (12/13-16) 12/1) 95.78 (12/23-24) 7 Polite ≤10% ≤10% ≤10% ≤10% ≤10% ≤10% ≤10% ≤10% ≤10% Disconnects 2.26 6.6 6.24 0.18 0.05 3.49 1.61 1.27 3.64 per year 8 ETR Updates Met Met Met Met Met Met Met Met Met without Delay 9 Percentage of...
AI summary The text presents performance metrics for service restoration, including percentages of customers restored within 48 hours during Major Event Days (MED) and Extreme Event Days (EED), alongside ETR (Estimated Time of Restoration) compliance rates. Metrics show varying success rates across different periods, with some days achieving 100% restoration and others falling below thresholds.
N-2NSPI (CA) RIRs 1-4
6 passages
2025 Annual Performance Standards Report (NSEB M12784) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-3: 2 3 With regard to notification of an anticipated severe weather event: 4 5 (a) Please describ...
AI summary NSPI's response to IR-3 details its reliance on third-party weather forecasts (primarily from Environment and Climate Change Canada) for severe weather planning, regional forecast frequency adjustments during emergencies, and supplementary guidance from meteorologists. It emphasizes forecast accuracy assessments and steps taken in 2025 based on prior experiences.
alerts produced by ECCC depending 27 on the severity of a potential event as well as briefings and discussions from various third- 28 party meteorologists engaged by NS Power. 29 Date Filed: May 29, 2026 NSPI (CA) IR-3 Page 1 of 3 2025 Ann...
AI summary The text outlines NSPI's criteria for activating the Emergency Operations Centre (EOC) based on predicted customer impact and restoration duration, referencing the Emergency Services Restoration Plan (ESRP) filed in M12441. It also notes reliance on ECCC alerts and third-party meteorologists for event severity assessments.
uration of the restoration response. The 6 EOC would be activated in the case of a Level 3 or 4 response as determined according to 7 Figure 1 in the ESRP and reproduced below: 8 9 10 11 The response levels outlined in the ESRP, including...
AI summary The document discusses NS Power's 2025 weather forecasting accuracy, noting it aligned with expectations despite inherent limitations. It references the Emergency Situational Response Plan (ESRP) and its activation levels for major events, emphasizing scalability without exhaustive scenario coverage. The text also cites the 2025 Annual Performance Standards Report (NSEB M12784) and NSPI's responses to consumer advocate requests.
ocesses within the ESRP for all storm- 19 related activities and provides any action items and reviews as part of each Post-Event 20 Critique and its continuous improvement process. Date Filed: May 29, 2026 NSPI (CA) IR-3 Page 3 of 3 2025...
AI summary The text outlines processes within the ESRP for storm-related activities, emphasizing Post-Event Critique and continuous improvement. It also references NSPI's 2025 Annual Performance Standards Report (NSEB M12784) and responses to consumer advocate information requests.
2025 Annual Performance Standards Report (NSEB M12784) NSPI Responses to Consumer Advocate Information Requests NON-CONFIDENTIAL 1 Request IR-4: 2 3 With regard to Estimated Time to Restore: 4 5 (a) Please describe the extent to which Nova...
AI summary NSPI explains its extensive use of weather forecasting in three stages of storm response to provide Estimated Time to Restore (ETR) updates: pre-event planning using damage prediction models, during weather events with real-time data, and during restoration via field validation. This aligns with the board-approved Emergency Services Restoration Plan.
ETRs are also updated through field validation, at 27 a single event level, or at a regional level once it is safe to assess the damage and 28 outage causes. 29 Date Filed: May 29, 2026 NSPI (CA) IR-4 Page 1 of 2 2025 Annual Performance St...
AI summary The document outlines the use of Estimated Time to Restore (ETR) during adverse weather events in 2025, referencing the 2025 Annual Performance Standards Report (NSEB M12784) and NSPI's responses to consumer advocate information requests, with forecasting details in CA IR-03.