Topic:"Eliadc Tariff" in M12665

REDACTED 2022-2023 FAM Audit Action Plan Update Attachment 1 Page 1 of 18 REDACTED (CONFIDENTIAL INFORMATION REMOVED) Row Recommendation Action Plan Response from NS Power February 2026 Update NSPI should be required to develop a benefits...

AI summary The document discusses a recommendation for NSPI to develop a benefits calculation considering hourly load deviations and their costs, based on cause code types. NSPower responded by referencing the ELIADC Tariff and plans to report findings to the FAM SWG.

NS Power accepts this recommendation. NS Power will review the format of the annual report to ensure clarity in the presentation of the components of the CBL Energy Charge that are consistent with the language in the ELIADC tariff. In acco...

AI summary NS Power accepts a recommendation regarding the ELIADC tariff and has updated its annual report format to align with the new tariff language. The updated ELIADC tariff, filed in compliance with Board Direction M12184, introduces a new term 'CBL Cost' to separate fixed cost recovery from the CBL Energy Charge. The Board approved the revised tariff on December 8, 2025.

Expand Annual Reporting on the ELIADC We recommend that NSPI further improve its annual reporting by including more detailed quantification of actual load shifting benefits (and costs), an identification and discussion of the types of devi...

AI summary The document recommends that NSPI improve its annual reporting on the ELIADC by providing more detailed quantification of load shifting benefits and costs, identifying beneficial deviations, and comparing yearly outcomes. NS Power agrees to enhance reporting and has conducted an hourly analysis of load shifting benefits post-cyber incident. Two value streams for load shifting benefits are identified: hourly and seasonal.

scheduled load are at different OM levels for multiple hours as PHP adjusts to a real time change in schedule, NSPI identifies only one deviation and assigns it to one hour. ( Recommendation XV-4 ) Conclusion XV-6: Identifying deviations o...

AI summary The document discusses the need for NSPI to improve the identification and measurement of real-time PHP deviations from scheduled load on an hourly basis, and to correct the calculation of off-schedule costs associated with Cause Code 5: PDN violations. It also recommends that NSPSO or its successor SO be responsible for identifying and recording deviations from schedule.

olid fuel procurement strategy and associated FAM savings; (5) optimization of commercial and operational activities to create FAM savings; and (6) fuel cost savings associated with the ELIADC tariff.

AI summary The text outlines various strategies for achieving fuel adjustment mechanism (FAM) savings, including fuel procurement, operational optimization, and the use of the ELIADC tariff to reduce fuel costs.

ELIADC Energy Charge 824 2022-2023 Bates White Audit Report, page 403. 825 ELIADC 2024 Annual Report, data appendix. 826 ELIADC 2025 Annual Report, data appendix. The charges above combine to give the ELIADC Energy Charge: ELIADC Energy Ch...

AI summary The ELIADC Energy Charge is calculated as the sum of the CBL Energy Charge, CBLA, and VCC. Figure XV-3 provides a visual representation of the ELIADC Energy Charge from 2020 to 2025.

Figure XV-3: ELIADC Energy Charge, $/MWh828 Tariff Period Energy Charge ELIADC 2020 $63.44 2021 $62.36 January 1 2022 - June 6 2023 $63.62 June 7 2023 - February 29 2024 $64.81 March 1 2024 - January 31 2025 $107.29 February 1 2025 - Decem...

AI summary Figure XV-3 presents the ELIADC Energy Charge over different periods, showing fluctuations in the energy charge from 2020 to 2025. The ADC Credit is mentioned but not elaborated on in the text.

The ADC Credit is an adjustment calculated at the conclusion of the tariff year to share the system savings benefit of active demand control between FAM customers and PHP. PHP is entitled to 25% of the calculated benefit. When the CBL Ener...

AI summary The ADC Credit adjusts the system savings benefit of active demand control between FAM customers and PHP, with PHP receiving 25% of the benefit. The ELIADC Tariff requires PHP to make minimum annual payments based on NS Power's incremental costs and a fixed rate per MWh supplied. The calculation involves F&PP, VOM, and fixed cost components.

NSPI reduced the Off Schedule Charge by 31.6% in the 2020 ELIADC annual report and set the Off Schedule Charge to zero in every other year through 2024.834 As we explain in more detail in our evaluation of NSPI's response to 2022-2023 Reco...

AI summary NSPI reduced the Off Schedule Charge in the ELIADC tariff but did not account for variances in PHP's load schedules. The CBL Energy Charge is based on forecasted costs, which may not accurately reflect actual costs, leading to potential inaccuracies in ADC benefit measurements. The ELIADC tariff design is criticized for not correcting forecast errors, and recommendations are made regarding charge calculations and ADC benefits.

XV.B.2. Active Demand Control Provisions Under the ELIADC, NSPI can control PHP's load within limits established under the tariff and associated protocols. Prior to the beginning of each tariff year, PHP provides NSPI a forecast of annual...

AI summary The ELIADC allows NSPI to control PHP's load within established limits, using forecasts and updates from PHP to set energy targets. Load is optimized as 'negative generation' across nine operating modes, with flexibility for PHP to adjust its load within specified ranges without triggering deviations.

XV.B.4.a. Single Week Example of ELIADC Scheduling NSPI provided a specific example of scheduling and loads under the ELIADC for the week beginning Monday, February 3, 2025. The original monthly load target for February 2025 was MWh. The w...

AI summary NSPI provided a single week example of ELIADC scheduling for February 2025, highlighting deviations between scheduled and actual PHP loads. NSPI identified 76 deviations (45% of hours), while additional analysis found 16 more, totaling 54%. Most deviations were due to PHP operational constraints, with Cause Code 3 (PFL) being the most frequent.

XV.B.6. Interruption PHP was not interrupted under the ELIADC tariff during the Audit Period. During capacity scarcity events, the order of interruption for NSPI's non-firm customers is specified in the ELIADC tariff:852 - 1. Generation Re...

AI summary During the audit period, PHP was not interrupted under the ELIADC tariff due to the ADC and cooperative nature of the tariff. The ELIADC tariff specifies the order of interruption for NSPI's non-firm customers during capacity scarcity events, with LLIR – Non-Telemetry & Control customers being interrupted 10 times.

(Recommendation XV-8) Recommendation XV-2: The calculation of the CBL Energy Charge, which includes fixed costs, appears to conflict with the language of the ELIADC tariff. NSPI should either revise the calculation of the CBL Energy charge...

AI summary The document discusses the revision of the ELIADC tariff to address conflicts in the CBL Energy Charge calculation and recommends improvements to NSPI's annual reporting on load shifting benefits and ELIADC performance. NSPI has complied with the first recommendation by revising the tariff, and the second recommendation emphasizes enhanced reporting practices.

XV.C. Conclusions Conclusion XV-1: The ELIADC tariff, as shown by benefits reported in the ELIADC annual reports, has minimally achieved the intent of the Board during the Audit Period. FAM customers did not bear the average costs to serve...

AI summary The conclusions highlight deficiencies in the ELIADC tariff's implementation, including flawed ADC benefit calculations, inadequate deviation tracking by NSPI, and lack of transparency in annual reports. The ELIADC tariff has not fully achieved its intended benefits, and there are inconsistencies in how PHP load is managed and reported.

NOTICE OF INTERVENTION TO: The Nova Scotia Energy Board ("Board") AND TO: Nova Scotia Power Inc. ("NSPI") - 1. PORT HAWKESBURY PAPER LP ("PHP") conducts its business in Nova Scotia, and is engaged in the manufacture of paper at its Port Ha...

AI summary Port Hawkesbury Paper LP (PHP) has filed a notice of intervention in a proceeding before the Nova Scotia Energy Board, requesting intervenor status in the hearing. PHP is a major power purchaser from Nova Scotia Power Inc. under the ELIADC Tariff and has a significant interest in the matter.