Topic/Matter Intersection

Topic:"Distribution Planning" in M12694

Matter: Nova Scotia Power Inc. - Cold Weather Event, January 23-26, 2026
6 passages 2 documents

Distribution Planning across all matters →

N-1Report 2 passages
16 Figure 3 - Comparison of Cold Weather-Related Events p. p. 10
16 Figure 3 - Comparison of Cold Weather-Related Events Event Event Customer Interruptions Customer Hours of Count Interruption February 2023 213 92,393 230,913 January 2026 9 7,275 6,952 17 \ Off-on-off outages discussed in Section 3.7.2...

AI summary Figure 3 compares cold weather-related events, showing a significant decrease in the number of events and customer interruptions from February 2023 to January 2026. The data highlights a reduction in both event count and customer hours of interruption, with a note that certain outages are not included in the sustained outage count.

5 Figure 8 - Interruptible Industrial Customer Notifications p. pp. 14-15
5 Figure 8 - Interruptible Industrial Customer Notifications Interruptible Industrial Notifications Call Time Advisory LIIR 1/25/2026 16:15 Alert LIIR 1/25/2026 16:17 Advisory LIIR Telemetry and Control 1/25/2026 16:18 Interruption LIIR No...

AI summary The document presents a timeline of notifications related to interruptible industrial customer services, including advisories, alerts, and restorations, on January 25, 2026. It also references a section on manual load shedding, indicating the management of electricity demand during critical periods.

N-2NSPI (NSEB) RIR 1 to 17 4 passages
10 p. p. 6
10 Feeder Protection Limit (A) Normal Peak (A) Jan 25 Peak (A) Notes 92H-331 560 432 575 Protection setting was temporarily increased during the event to prevent tripping. Project C0083570, if approved, will address this overload. 103H-434...

AI summary The text provides a table outlining feeder protection limits, normal and peak current values, and notes related to temporary protection setting adjustments and ongoing projects aimed at addressing overload issues on specific feeders.

1 field, resolving the issue. This device was originally missing from the list of at-risk devices p. p. 10
1 field, resolving the issue. This device was originally missing from the list of at-risk devices the near-term load growth at this substation until a new substation is in service. A distribution planning study is ongoing to address overlo...

AI summary The text discusses a distribution planning study addressing overload issues at a substation, the adjustment of protection settings for transmission line L-5545 following a cold event, and the increase in capacity from 57 MVA to 64 MVA to align with industry practices for fault clearing and detection.

NON-CONFIDENTIAL p. p. 10
NON-CONFIDENTIAL Cold Season Rating Protection Limit SCADA Alarm Limit 21 wind speeds across the province and is indicated in the wind speed chart for major wind farms 22 below.

AI summary The text presents a non-confidential table outlining cold season ratings, protection limits, and SCADA alarm limits, with specific details on wind speed conditions across the province and major wind farms.

Date: Sun January 25, 2026 p. pp. 34-38
Date: Sun January 25, 2026 HOUR LOAD FORECAST RESERVE REQMT SYSTEM MARGIN PA1 LIN1 LIN2 LIN3 LIN4 TR5 TR6 PT2 TUC1 TUC2 TUC3 TUC6 CT TOTAL IPP TOTAL PT BIO HYDRO TOTAL BESS WIND TOTAL FIRM NB PURCH FIRM NFLD PURCH 21 2287 218 -162 165 148...

AI summary The document presents a detailed table of hourly load forecasts, reserve requirements, and system margins for a specific date, along with various power generation and transmission metrics. It includes data on different power sources such as battery energy storage systems (BESS), wind, and hydroelectric generation, as well as firm purchases from New Brunswick and Newfoundland.

Disclaimer: These summaries were generated by AI from the filings they describe. We take care to make them accurate, but errors are possible - and they aren't advice. Only the filings themselves are the record: if you're relying on something here, confirm it against the source documents or the Nova Scotia Energy Board's own record. Full disclaimer →