Topic:"Tariff Design" in M12768

-28, March 26, 2020, and in accordance with the Annual Reporting provisions on page 4 of the ELIADC Tariff. March 26, 2026 C. Henwood Active Demand Control (ADC) Load Shifting Differential for 2025. The Board-approved 2024 ELIADC Energy Ch...

AI summary The 2025 ELIADC Energy Charge became effective February 1, 2025, following the Board's Interim Order (M11989). A positive ADC differential in 2025 obligated PHP to pay NS Power's actual CBL cost to serve, including variances from dispatch schedules, plus a minimum payment calculated as NS Power's incremental costs plus $4.00 per MWh supplied.

Off-Schedule Summary In 2025 there were 95 hours in which PHP chose to deviate from the submitted schedule (Code 5, "PDN") spread across 21 unique events (where a single event can span multiple hours). These PDN hours comprised 1.1 percent...

AI summary In 2025, PHP had 95 off-schedule hours (1.1% of total), leading to $706,609 system cost impact, with $529,957 reduced ADC credit. PHP's net balance is $149,304. Reasons included fulfilling orders, managing silo levels, and maintaining load.

S Power accepted all of Bates Whites' 2022- 2023 FAM Audit recommendations. The 2022-2023 FAM Audit Oral Hearing was held from March 17-20, 2025, and the Board issued its Decision on October 16, 2025. On March 3, 2025, the Company submitte...

AI summary NS Power accepted all recommendations from the 2022-2023 FAM Audit and submitted its 2024 ELIADC Annual Report. The Board requested improvements to the ELIADC tariff and annual report, emphasizing the need for NS Power to demonstrate the tariff's value to customers and provide more detailed reporting.

2. 2022-2023 FAM Audit Report Recommendation XV-2 The October 31, 2025 Third Term ELIADC Tariff Compliance Filing (M12184) incorporated the adjustments required to align the Tariff with the Board's M12184 directives. On December 5, 2025, t...

AI summary The October 31, 2025 Third Term ELIADC Tariff Compliance Filing (M12184) was adjusted to align with the Board's directives. A revised filing on December 5, 2025 further aligned the tariff's price-setting methodology with Recommendation XV-2 (M11533). The Board was satisfied with the revised filing, and the Company considers XV-2 implemented in the 2026 ELIADC Tariff.

3. 2022-2023 FAM Audit Report Recommendation XV-3 The Board Order in the Third Term ELIADC Tariff proceeding (M12184) also provided: NS Power is directed to continue filing its annual reports and to include more detailed quantification of...

AI summary The Board Order in M12184 directed NS Power to enhance annual reporting with detailed load shifting benefit quantification and tariff improvements. NS Power has implemented additional metrics but is still investigating analysis methods, pending data restoration. Further discussion with the FAM Small Working Group is planned.

For the Year Ended December 31, 2025 Forecasted CBL Energy Charge ($) Actual CBL Energy Charge ($) Fuel & Purchased Variable Operating & Month Generation Cost Purchase Cost Sale Revenue Start Cost PHP Load CBL Energy Charge Power Charge Ma...

AI summary The document presents a detailed financial summary for the year ended December 31, 2025, including forecasted and actual CBL energy charges, generation costs, purchase costs, and various financial metrics related to PHP load, ADC differentials, and NSPI and PHP benefits. The data spans across 12 months, with monthly breakdowns and an annual total.

Extra Large Industrial Active Demand Control (ELIADC) Tariff 2025 Annual Report (NSEB M12768) NSPI Responses to BW Information Requests Request IR-3: 2 3 Please refer to PDF page 3, "Operation Summary." 4 5 (a) Did the cyber event have any...

AI summary The document discusses the impact of a cyber event on the scheduling of hourly load for PHP by NSPI, including the use of PLEXOS by NS Power ER&M to create optimized schedules. It also addresses the role of NSPSO in administering the ELIADC Tariff before and after the cyber event, and the impact of the event on data availability.

EXTRA LARGE INDUSTRIAL ACTIVE DEMAND CONTROL TARIFF Page 1 of 7 Schedule 1: Active Demand Control Energy Supply Protocol Part A – Definitions ADC : Active Demand Control. ADC Operating Procedure : Procedure document maintained by Nova Scot...

AI summary This document outlines the definitions and procedures related to the Extra Large Industrial Active Demand Control (ADC) Energy Supply Protocol, including key terms such as Customer Baseline Load (CBL), Dispatchable Hours, and Intra-Day Demand Schedule. It details the roles of Nova Scotia Power System Operator (NSPSO) and Nova Scotia Power (NS Power) in managing ADC operations and forecasting energy demand.

EXTRA LARGE INDUSTRIAL ACTIVE DEMAND CONTROL TARIFF Page 3 of 7 Schedule 1: Active Demand Control Energy Supply Protocol - (a) With respect to forecast PHP annual capital shutdowns, PHP will provide a minimum of one month's advance notice...

AI summary This section outlines the procedures for providing advance notice of shutdowns and adjusting demand schedules in the Extra Large Industrial Active Demand Control Tariff. It also details how NS Power, NSPSO, and PHP will exchange information on a confidential basis.

EXTRA LARGE INDUSTRIAL ACTIVE DEMAND CONTROL TARIFF Page 5 of 7 Schedule 1: Active Demand Control Energy Supply Protocol - (12) Subject to available generation or load, as the case may be, efforts will be made to reconcile variances in a t...

AI summary This section of the Extra Large Industrial Active Demand Control Tariff outlines the energy supply protocol, including procedures for reconciling variances, scheduling and operations team requirements, compliance with NS OATT and NS Market Rules, and the dispatch authority of NS Power and NSPSO.

EXTRA LARGE INDUSTRIAL ACTIVE DEMAND CONTROL TARIFF Page 6 of 7 Schedule 1: Active Demand Control Energy Supply Protocol

AI summary This section outlines the Schedule 1: Active Demand Control Energy Supply Protocol for the Extra Large Industrial Active Demand Control Tariff. It details the operational framework for managing energy supply in industrial settings with active demand control mechanisms.

CONFIDENTIAL (Attachment Only) 1 (iii) ADC load shifting benefits. 2 3 (h) Please compare the magnitude and causes of forecast error in 2025 with those in 2024 4 and prior years. 5 6 Response IR-5: 7 8 9 Preamble: The reference provided in...

AI summary The document discusses discrepancies in load forecasts for 2025, including a correction from 891 GWh to 691 GWh, and references different forecasts used in the 2025 Monthly FAM Report and the 2025 Annually Adjusted Rates (AAR) Application. It outlines the ELIADC Tariff process and how revised load forecasts are handled by NS Power.

REDACTED 1 incentive for PHP to follow dispatch and retain its 25 percent share of the ADC Load 2 Shifting Differential. In 2021-2024, the ADC Load Shifting Differential was negative, and 3 therefore no Off-Schedule Charges were applied. 4...

AI summary The document discusses the ADC Load Shifting Differential and Cause Code tracking issues in 2025. It includes financial details related to PHP and requests for information regarding incomplete Cause Code tracking and normalization of data for accurate year-over-year comparisons.

Extra Large Industrial Active Demand Control (ELIADC) Tariff 2025 Annual Report (NSEB M12768) NSPI Responses to IG Information Requests 1 Report, pending discussion with Bates White with respect to the appropriate level of detail 12 the re...

AI summary The document discusses the ELIADC Tariff 2025 Annual Report and NSPI's responses to information requests. It mentions that the ELID Tariff is not yet approved by the NSEB and that data required for assessing load shifting benefits is still unavailable. NSPI provided estimates of potential savings and benefits under the ELID Tariff and notes that internal modeling of load shifting benefits was ongoing before a cyber incident in April 2025.

As the Information Request Responses may be relevant to matters under consideration in Matter M12661 - Nova Scotia Power - Application for approval of an Above-the-Line Tariff applicable to Port Hawkesbury Paper , the responses filed in th...

AI summary The Information Request Responses filed in this proceeding are relevant to Matter M12661, which involves Nova Scotia Power's application for approval of an Above-the-Line Tariff applicable to Port Hawkesbury Paper. These responses will be included in the record of Matter M12661 prior to closing submissions.

M12768 – Nova Scotia Power Incorporated – Extra Large Industrial Active Demand Control Tariff – 2025 Annual Report On March 26, 2026, Nova Scotia Power Incorporated filed its Annual Report on the performance of the Extra Large Industrial A...

AI summary Nova Scotia Power Incorporated filed its 2025 Annual Report on the performance of the Extra Large Industrial Active Demand Control Tariff (ELIADC), which is an annually adjusted, below-the-line tariff serving Port Hawkesbury Paper. The tariff allows NS Power to manage demand in response to system conditions, with savings shared between the company and its customers. However, the ADC load shifting differential was positive in only two years since the tariff's inception.

(b) Please provide a copy of any FAM SWG presentation materials and 1 2 3 4 2026 M12768 NOVA SCOTIA ENERGY BOARD 11 12 13 14 (a) Please explain, step-by-step what was done by each of the Energy Marketing Team and PHP as they "adapted and w...

AI summary The text outlines a request for information regarding the adaptation efforts by the Energy Marketing Team and PHP following a cyber breach, details on incremental costs, and the need for ELIADC Protocols. It also references billing adjustments related to PHP and mentions a specific financial figure from the 2025 Annual Report.

Request IR-2: Refer to the following sections of the Summary of the 2025 Tariff Year in the 2025 Report: ,Load Variations, on page 3, and Off Schedule Summary, on page 4: - a) Please identify the provisions of the ELIADC tariff that allow...

AI summary Request IR-2 seeks clarification on the ELIADC tariff provisions regarding forecast revisions by PHP, including limits on revisions, Force Majeure terms, communication of trade challenges, and the financial impact of deviations in 2025. It also asks about the likelihood of similar outcomes in 2026.

Also on July 5, 2024, Bates White filed the 2022-2023 FAM Audit Report (Ml 1533). With respect to the ELIADC Tariff, Bates White made the following recommendations: 6 M12768, Exhibit N-1, 2025 Report, page 2 of 9. 7 M12768, Exhibit N-1, 20...

AI summary Bates White filed an audit report recommending changes to the ELIADC Tariff, including improved benefits calculation and clarification of the CBL Energy Charge. The Small Business Advocate reviewed the report and NS Power's responses, raising comments and concerns.

1. Actual Benefits to Other Customers Remain Below the Original Forecast It bears repeating that NSPI's 2019 ELIADC Tariff Application forecast annual benefits to other customers ranging from $6 to $13 million over the initial term, with a...

AI summary NSPI's 2019 ELIADC Tariff Application forecast annual benefits of $6–$13 million, but 2025 actual benefits were $4.4 million, 63% below the assumed load and 69% of the forecasted per-MWh benefit. Over six years, average annual benefits were $4.2 million, less than half the forecast. The IG argues this shortfall should be considered for the new ELID tariff in M12661.

4. PHP Load Revisions — Unlimited in Number and Frequency PHP's initial 2025 forecast totalled 811 GWh. There were revisions to PHP's load forecast throughout the year, with a final actual demand requirement of 691 GWh. This represents a r...

AI summary PHP's 2025 load forecast was revised downward by 15% (120 GWh) from 811 GWh to 691 GWh. NSPI states the ELIADC Tariff allows unlimited forecast revisions, while the IG argues this creates a structural advantage for PHP, recommending tariff design improvements to address the gap.

pproximately $6 million per year, the increase in costs borne by PHP, compared to the 2019 application forecast was approximately $30 million per year over the four-year period (i.e. 2020-2023). // • The complexity of the ELIADC Tariff ope...

AI summary The document discusses the performance of the ELIADC Tariff compared to original forecasts, noting a $30 million annual cost increase over 2020-2023. It acknowledges the complexity of tariff operations and market dynamics, and addresses concerns about the adequacy of the minimum payment under the tariff.

Relationship to the ELID Proceeding At the onset of its submission the IG provided that its comments were "submitted with the understanding that the ELIADC expires at the end of 2026 … [a]ccordingly, these comments are largely observationa...

AI summary The Industrial Group (IG) submitted comments on the ELID proceeding, noting that the ELIADC expires in 2026 and that their comments are observational rather than recommending changes. They raised concerns about PHP's ability to revise load and capture dispatch optimization benefits when operating below forecast levels, suggesting these issues be addressed in the ELID tariff design. The Company agrees that ELID tariff design matters are being addressed in Matter M12661.

ere is no cause for concern. There were 95 total Cause Code 5 hours, or only 1.1% of all hours in the year, which as Bates White notes was the second lowest total of the six years of Tariff operation. The IG submits on page 2 that "the abs...

AI summary The text discusses the low occurrence of Cause Code 5 hours, the IG's concerns about load forecast revisions and interest on post-year-end balances, and stakeholder requests for transparency and improved reporting on the ELIADC Tariff. NS Power is responsible for providing updates and addressing audit recommendations.

M12768 – Nova Scotia Power Incorporated – Extra Large Industrial Active Demand Control Tariff – 2025 Annual Report On March 26, 2026, Nova Scotia Power Incorporated filed its Annual Report on the performance of the Extra Large Industrial A...

AI summary Nova Scotia Power Incorporated filed its 2025 Annual Report on the Extra Large Industrial Active Demand Control Tariff (ELIADC), which allows NS Power to adjust Port Hawkesbury Paper's load in response to system conditions. The tariff provides load shifting credits, with 25% going to Port Hawkesbury Paper and 75% to NS Power customers. The ADC benefit has been positive in only two years since the tariff's inception.

addition, the Industrial Group viewed the $5/MWh minimum fixed cost contribution under the ELIADC tariff as providing insufficient protection for other ratepayers against continued under-performance. Other issues raised for consideration i...

AI summary The Industrial Group expressed concerns about the ELIADC tariff's $5/MWh minimum fixed cost contribution, arguing it does not adequately protect other ratepayers from the under-performance of Port Hawkesbury Paper. They also raised issues regarding load forecast revisions, carrying costs, and reporting transparency, requesting changes to improve accountability and fairness.