Topic:"Grid Modernization" in M12730

REDACTED (CONFIDENTIAL INFORMATION REMOVED) March 9, 2026 C. Henwood NS Power completed its investigation at the customer's premises during the period of January 15 to February 12, 2026, using a meter‑base voltage data logger installed ons...

AI summary NS Power investigated a customer's power quality concerns during an extreme cold event, finding voltages within extreme operating limits but below normal ranges. Post-event AMI data showed stabilized voltages, with NS Power attributing the anomalies to exceptional system loading and weather impacts.

REDACTED (CONFIDENTIAL INFORMATION REMOVED) March 9, 2026 C. Henwood Tidewater substation and feeder 92H-331. To address the customer's immediate service conditions, NS Power implemented a quick corrective action by replacing the customer'...

AI summary NS Power addressed voltage issues at Tidewater substation and feeder 92H-331 through immediate conductor replacement and long-term upgrades requiring NSEB approval, including substation upgrades, transformer replacement, and new feeder construction. Contingency plans are in place to ensure reliability during delays.

Power Quality Report Address: Area: Type of Work: Power Quality Start Date: 24/Jan/2026 End Date: 4/Mar/2026 Type of Residential Service: Single Phase Customer: Operating Voltage: 120/240V Customer Comments:

AI summary The document outlines a Power Quality Report for a residential customer with a single-phase service operating at 120/240V, covering work from January 24 to March 4, 2026. No specific issues or comments from the customer are provided in the text.

Comments: Upon review of the customer site, a line crew went to site on Jan 14th, 2026, to upgrade the service conductor at the customer's home to ensure their service is updated to NSPI's utility standards. After this work was completed,...

AI summary A line crew upgraded a customer's service conductor on Jan 14, 2026, to meet NSPI's utility standards. Power monitoring equipment was subsequently installed on Jan 15, 2026, at the revenue meter base to analyze on-site power characteristics.

Results: Power monitoring data listed below of the recording from Jan 15th to Jan 29th, 2026, and sampling in 1-minute intervals. This higher resolution data reveals more detailed trends of line-to-neutral voltage and current data. Recordi...

AI summary The document presents power monitoring data collected from January 15 to January 29, 2026, with 1-minute interval sampling. It highlights detailed line-to-neutral voltage and current trends, emphasizing higher resolution insights compared to standard recordings.

itoring devices on each feeder. In response to IR-5, NS Power described its contingency plan to address power quality issues while awaiting the completion of the proposed capital projects, including: … transferring load to another supply a...

AI summary The Board attributes a voltage issue to feeder overload and acknowledges NS Power's contingency plan, including load transfer and reconductoring. It directs NS Power to install voltage monitoring devices and submit a timeline for implementation by June 30, 2026, while rejecting liability claims for equipment wear.

Individual Feeder Voltage Monitoring Devices With respect to the Board's first directive, NS Power confirms that the individual feeder voltage and current monitoring devices referenced in IR-2(b)(ii) have been installed and are operational...

AI summary NS Power confirms that individual feeder voltage and current monitoring devices referenced in IR-2(b)(ii) have been installed and are operational on feeder 92H-331. These devices provide real-time monitoring capabilities.

Power Quality Monitoring Devices on Secondary Voltage Supply With respect to the Board's directive to "install power quality monitoring devices on the secondary voltage supply of feeder 92H-331," NS Power respectfully seeks to clarify the...

AI summary NS Power seeks to clarify the monitoring capabilities available for the secondary voltage supply of feeder 92H-331, proposing that the combination of real-time primary feeder monitoring and AMI-enabled customer meter voltage monitoring fulfills the Board's directive.

Continued Monitoring NS Power confirms its commitment to continue monitoring voltage conditions on feeder 92H-331 through the installed feeder monitoring devices and AMI data. This monitoring will continue through the completion of the Tid...

AI summary NS Power confirms it will continue monitoring voltage conditions on feeder 92H-331 using installed monitoring devices and AMI data until the Tidewater Substation and Feeder 92H-331 Upgrade project is completed, which will serve as the permanent solution to voltage quality concerns in the area.