Topic:"System Reliability" in M12768

Load Variations PHP's initial 2025 forecast totaled 811 GWh. There were revisions to PHP's load forecast throughout the year, with a final actual demand requirement of 691 GWh. The second and third quarters of 2025 were a challenging envir...

AI summary PHP's 2025 load forecast decreased from 811 GWh to 691 GWh due to global trade challenges in Q2-Q3 2025, though Q4 demand exceeded initial forecasts. Recommendation XIV-1 urges NSPI to enhance ELIADC reporting with contextual analysis on load deviations and system costs.

1. 2022-2023 FAM Audit Report Recommendation XV-1 After investigation and internal discussions, NS Power has concluded that it is unable to develop an hourly cost and benefit analysis of all individual Cause Codes. Modeling and isolating t...

AI summary NS Power concludes that an hourly cost-benefit analysis of individual Cause Codes is infeasible due to model conflicts in PortOps software, low load precision, and incompatible cost methodologies. Overlapping dispatch results, unit commitment variations, and differences between forward replacement costs and actual accounting costs undermine reliability. The analysis will be discussed at an upcoming FAM Small Working Group meeting.

Part C – Conditions - (9) Subject only to reasons of health, safety, environmental, system reliability, and Force Majeure events, PHP must not deviate from the NS Power/NSPSO final demand schedule. NS Power/NSPSO must comply with the weekl...

AI summary Part C outlines conditions for PHP and NS Power/NSPSO regarding compliance with demand schedules, restoration of operations after disruptions, and communication protocols. Deviations from schedules must be tracked and reported, with updates to Appendix 1 filed with the NSUARB.

Request IR-4: - Please refer to PDF page 3, "Operation Summary." - a. Did the cyber event have any impact on the process by which NSPI schedules PHP's hourly load? Please explain. - b. Please explain the NSPSO's role in helping to administ...

AI summary Request IR-4 asks about the impact of a cyber event on NSPI's load scheduling, the NSPSO's role in administering the ELIADC Tariff, and data availability related to the tariff. Request IR-5 inquires about the financial implications of lower-than-forecasted demand on system costs.