Topic:"Grid Modernization" in M12457

REDACTED (CONFIDENTIAL INFORMATION REMOVED) September 18, 2025 L. Wallace Mr. MacLeod's commercial account associated with the Blarney Stone Restaurant, is billed under demand billing (Rate 11) and uses a single-phase commercial meter. Dem...

AI summary Mr. MacLeod's restaurant account was billed under demand billing using a single-phase commercial meter affected by a cyber incident. The AMI network disruption prevented remote reset of the demand register, leading to estimated billing and a retroactive adjustment. NS Power acknowledged the issue, issued a goodwill credit, and installed a meter supporting local resets to resolve the problem.

Inability to Reset Demand Meters Locally NSP acknowledges that single-phase commercial meters, such as the one previously installed at my premises, cannot have their demand registers reset manually. These meters rely solely on AMI network...

AI summary NSP acknowledges that single-phase commercial meters cannot have their demand registers reset manually and rely solely on AMI network communication for this function.

Extended Demand Measurement Periods NSP confirms that, due to the AMI outage, my meter recorded demand over a 65-day period rather than a single billing cycle. This captured higher seasonal demand, leading to charges that were inconsistent...

AI summary NSP explains that an AMI outage caused a 65-day demand measurement period instead of a single billing cycle, resulting in higher seasonal demand charges inconsistent with Rate 11's intent.

System-Wide Impact NSP admits that other customers with the same meter configuration may also have been billed using extended demand periods. They are only now beginning a review of accounts and will notify customers proactively "if adjust...

AI summary NSP admits that billing errors due to AMI outage affected multiple customers with single-phase meters. The issue is systemic and requires a full review, credit issuance, replacement of non-compliant meters, and a contingency plan. The Board is urged to ensure timely and transparent corrective actions.

M12457 - NSPI Complaint Systemic Regulatory Compliance Issues - Blarney Stone Restaurant This is to confirm that Richard J. Melanson, LL.B., the Board member assigned to this complaint, filed by Sean MacLeod of Blarney Stone Restaurant, ha...

AI summary The document discusses a complaint regarding systemic regulatory compliance issues related to demand billing after a cyber-attack on NS Power's systems. The complainant, Sean MacLeod of Blarney Stone Restaurant, is under General Tariff-Rate Code 11, which includes a demand charge. NS Power explained that the cyber incident disrupted the AMI network's ability to reset demand registers on single-phase commercial meters.

NS Power went on to say: In addition, NS Power is conducting a broader review of accounts with similar meter configurations to identify any discrepancies resulting from estimated demand billing. Customers will be notified proactively if ad...

AI summary NS Power is conducting a review of accounts with similar meter configurations due to issues with estimated demand billing. The Board requires NS Power to report on the progress and outcomes of this review, particularly regarding single-phase meters and their impact on demand billing customers. The review is being addressed separately from the initial complaint and will be included in the final report for Matter M12273.