Topic:"Generation Grid Resources" in M12551

Application for Annually Adjusted Rates for 2026 Redacted 1 TABLE OF CONTENTS 2 3 1.0 Introduction 7 4 1.1 Prior AAR Proceeding Directives 8 5 1.2 Board Directive regarding Time-varying Pricing Structure for AARs 9 6 2.0 Marginal Cost Anal...

AI summary The document outlines an application for annually adjusted rates for 2026, including sections on marginal cost analysis, tariff structures, and various board directives related to pricing and billing procedures. It covers topics such as load following, real-time pricing, shore power, wholesale market tariffs, and renewable to retail market tariffs.

Figure 1: Cost of Energy Generation $/MWh by Gen. Source 2026 AAR 2025 AAR Percent Change (%) Solid Fuel Oil & Gas NB Imports ML Surplus 4

AI summary The text presents a table titled 'Cost of Energy Generation' with columns for 2026 AAR, 2025 AAR, and Percent Change (%), but no data is provided in the rows. The table includes categories like Solid Fuel, Oil & Gas, NB Imports, and ML Surplus.

GENERATION LOAD FOLLOWING CRITERIA - (1) Two months preceding each tariff year the customer-generator, in conjunction with the Company, shall establish the aggregate net operating capability of its generation equipment for the billing purp...

AI summary This section outlines the criteria for load following services, requiring customer-generators and the Company to establish net operating capability for billing purposes. It also mandates the Company to apply to the Nova Scotia Energy Board for approval of its forecasted incremental generation costs, which will be used in determining load following rates.

SALES, GENERATION AND DEMAND ANALYSIS FOR THE YEAR ENDING DECEMBER 31, 2026 ( 1) DOMESTIC ( 2) SMALL GENERAL ( 3) GENERAL ( 4) GENERAL LARGE (1) MWH SALES 5,286,337,241 376,992,742 2,308,034,614 363,766,784 (2) ENERGY LINE 8.2% 8.2% 7.9% 5...

AI summary The document presents a detailed analysis of sales, generation, and demand for the year ending December 31, 2026, including energy sales, losses, system demand, and other key metrics across different customer classes and categories.

Annual Peak of ATL 2,356,954 Annual Energy Requirement of ATL 11,303,785,142 System Coincident Load Factor 54.748044% ECEI Batteries CWIP $ 15,185 $ 30,370 $ (0) Generation-related Trans Assets Plant $ 58,575 $ 58,575 $ 58,575 Generation-r...

AI summary The text presents data on the Annual Peak and Annual Energy Requirement of ATL, along with detailed tables outlining various costs and assets related to generation, distribution, transmission, and general property plant. It includes figures for different categories such as Generation-related Trans Assets Plant, Distribution, Transmission, and General Property Plant, as well as the Total System Plant in Service and Generation Rate Base classifications.

FOR THE YEAR ENDING DECEMBER 31, 2026 (IN THOUSANDS OF DOLLARS) (1) TOTAL (2) (3) SMALL (4) (5) GENERAL (6) SMALL (7) MEDIUM (8) LARGE (9) (10) (11) (12) ALLOCATION COMPANY DOMESTIC GENERAL GENERAL LARGE INDUSTRIAL INDUSTRIAL INDUSTRIAL PH...

AI summary The table presents financial data related to energy generation and purchases for the year ending December 31, 2026, including various categories such as fuel, biomass, wind, and imports, with allocations and references to specific studies and forecasts.

NON-CONFIDENTIAL 1 Request IR-13: 2 3 Reference: Energy Balancing Service Tariff, pages 31-32 and Appendix F2. 4 5 (a) Please compare the forecasted export sales for 2025 and 2026 and provide an 6 explanation. 7 8 (b) Please explain how th...

AI summary The document discusses a request (IR-13) related to the Energy Balancing Service (EBS) tariff, including forecasted export sales, transmission loss factor calculations, and percentage changes in EBS components. The response indicates that EBS rates are based on cost-of-service studies from previous GRA filings and refers to specific sections of the 2026-2027 GRA for further details.

• Ancillary Service Requirements The requirement for and use of ancillary services such as system dispatch, load following and operating reserve is not reduced by co-location of generation and load within the same zone.

AI summary The document states that the requirement for ancillary services like system dispatch, load following, and operating reserve remains unchanged even if generation and load are co-located within the same zone.

• Congestion Relief Transmission congestion does not generally arise in the last kilometers of transmission delivery, but at a few locations on the Province's bulk transmission system. While there may be differences in impact between RtR g...

AI summary The text discusses transmission congestion, noting that it occurs primarily on the bulk transmission system rather than in the last kilometers of delivery. It also mentions that the impact of RtR generation differs between Cape Breton and the Halifax area, but this difference remains regardless of whether the generation is connected to transmission or distribution systems.

Ontario (1999 – date) Member of the IESO (then IMO) Technical Panel, as stakeholder representative for generators from 1999 to 2004, which period encompassed the development of the market rules in preparation for market commencement and th...

AI summary The text outlines involvement in the development of market rules for Ontario's electricity sector, participation in IESO working groups, and consulting on renewable to retail market design for Nova Scotia Power. Key areas include resource adequacy, transmission codes, and tariff hearings.

Assistance in the negotiation of: - Lower Mattagami Hydroelectric supply agreement negotiations with OPG for the supply of electricity from the 450 MW expansion of the Lower Mattagami system; - Early Movers successor contract negotiations,...

AI summary The text outlines various negotiation support activities, including hydroelectric supply agreements, contract negotiations for energy generation projects, and energy storage program development, all supported by the OPA.

STANDBY SERVICE Standby Service is a supplemental generation capacity service provided to Licensed Retail Suppliers (LRS). The service is provided in combination with Energy Balancing Service under the Energy Balancing Service Tariff. The...

AI summary Standby Service is a supplemental generation capacity service provided to Licensed Retail Suppliers (LRS) in combination with Energy Balancing Service under the Energy Balancing Service Tariff. It includes capacity adequacy service and top-up capacity service to support energy delivery during imbalances between load and generation.

SPECIAL CONDITIONS - (1) NS Power reserves the right to have a separate service agreement, if in the opinion of NS Power issues not specifically set out herein, must be addressed for the ongoing benefit of NS Power and its customers. - (2)...

AI summary NS Power reserves the right to enter into separate service agreements when necessary for the benefit of its customers and the power supply system. LRS' RtR Customers and generators must ensure their operations do not compromise system integrity, with specific requirements outlined in written operating agreements. NS Power may apply to the Nova Scotia Energy Board for changes to rates, terms, and conditions.

Scenario A UNIT POWER PRODUCTION COSTS RTP Avoided Costs On Scenario A (2024) 2025 Off Total On MC Adder Total Off MC Adder Total Total MC Adder Revenue Total Revenue On Off All Hours On % of cost Off Total Jan Feb Mar Apr May Jun Jul Aug...

AI summary Scenario A presents unit power production costs and RTP avoided costs for different months and scenarios, including comparisons between on and off states, with various adders and totals provided in a tabular format.

Summarized Rate base from Schedule 2a in 2026 COSS INITIAL CLASSIFICATION AS PER 2026 GRA Application Filing OM&G - Other CTs 2,999 2,999 - 0% - DSM Amortization - - - 0% - FCR Deferral - - - 0% - Reg. Affairs -Advocay Expenses 1,364 617 7...

AI summary The document presents a summarized rate base from Schedule 2a in the 2026 COSS, detailing various classifications such as OM&G, DSM amortization, FCR deferral, and expenses related to generation, transmission, and distribution. It includes figures for different asset categories, depreciation, and revenue components.

Annual Peak of ATL 2,356,954 Annual Energy Requirement of ATL 11,303,785,142 O- 4 0-! 4 1 1 F4 LM6000 Environmental & Fuel Conversion $ - $ - $ - LM6000 Environmental & Fuel Conversion - CWIP ECEI Batteries Plant $ $ - 145,582 $ $ - 119,31...

AI summary The document presents financial and operational data related to energy generation, distribution, and transmission, including figures for annual peak and energy requirements, capital works in progress (CWIP), and various plant and asset costs.

WHOLESALE MARKET BACKUP/TOP-UP SERVICE TARIFF Page 2 of 6 (b) For dispatchable generation, GC = the supplier's maximum capacity contracted to provide its wholesale customers' demand. CD is the customer's Contract Demand CCF is the capacity...

AI summary The text defines terms related to the Wholesale Market Backup/Top-Up Service Tariff, including GC, CD, and CCF, which are used to determine capacity contributions and customer demand in the context of dispatchable generation.

- (iv.) Any export transactions utilizing energy from the Internal Resource will be recallable by the NSPSO, up to the amount contracted to the wholesale customer, for delivery to the NSPI system in the event of a resource adequacy need. -...

AI summary The text outlines conditions for managing export and external resource transactions under resource adequacy needs, specifying recallability by NSPSO and requirements for documentation and control of external resources.

Order of Interruptibility In the event an interruption call is required in order to avoid shortfalls in system electricity supply, interruptible load will be called upon to provide capacity to NS Power in the following order: - (1) Generat...

AI summary The document outlines the order in which interruptible load will be called upon during system electricity supply shortfalls, prioritizing Generation Replacement and Load Following (GRLF) Tariff, followed by Extra Large Industrial Active Demand Control (ELIADC) Tariff, Shore Power Tariff, and finally the Interruptible Rider to the Large Industrial Tariff. NS Power may adjust the order if needed.

- (iv.) Any export transactions utilizing energy from the Internal Resource will be recallable by the NSPSO, up to the amount contracted to the wholesale customer, for delivery to the NSPI system in the event of a resource adequacy need. -...

AI summary The text outlines conditions for managing energy and capacity from both internal and external resources during resource adequacy needs. It specifies recallability of exported energy from the Internal Resource and detailed requirements for external resources, including documentation and control verification.

STANDBY SERVICE Standby Service is a supplemental generation capacity service provided to Licensed Retail Suppliers (LRS). The service is provided in combination with Energy Balancing Service under the Energy Balancing Service Tariff. The...

AI summary Standby Service provides supplemental generation capacity to Licensed Retail Suppliers (LRS) and is offered in combination with Energy Balancing Service. It has two components: capacity adequacy service and top-up capacity service, both aimed at ensuring reliability and balancing energy delivery in the Nova Scotia electricity system.

Request IR-7: - NS Power did not provide scenarios of delays to wind resources scheduled to go into service in - 2025 and 2026. - a) Please provide a table identifying each wind asset that was scheduled to go into service - in 2025 and 202...

AI summary The document requests NS Power to provide details on wind assets scheduled for service in 2025 and 2026, including their planned and actual in-service dates, and explanatory notes for any delays beyond six months.

19 generator type. 1 (b) For each of 2023, 2024 and 2025 to date and forecast to year-end, please 2 provide the hours and percentage of hours of the year that each generation 3 class was actually the marginal unit on the system. Please ide...

AI summary The document requests detailed information on generator type performance, including actual and forecasted marginal unit hours, explanations for variances, and details on the PLEXOS model used for forecasting. It also asks about OBPS compliance and the use of updated data in forecasting.

Reference: Section 2.0 Marginal Cost Analysis, pages 11-14. 1. Please provide the number of hours and percentage of hours for each of the years 2023, 2024 and 2025 year-to-date plus forecast that each generator class (e.g coal, natural gas...

AI summary The text requests detailed information on generator class marginal unit hours for 2023, 2024, and 2025, as well as clarification on the inclusion of OBPS compliance obligations in the PLEXOS model used for calculating average annual marginal costs. The PLEXOS model used for the 2026 AAR forecast is based on the 2024 Q3 forecast model with updated assumptions.

- (iv.) Any export transactions utilizing energy from the Internal Resource will be recallable by the NSPSO, up to the amount contracted to the wholesale customer, for delivery to the NSPI system in the event of a resource adequacy need. -...

AI summary The text outlines conditions for managing export and external resource transactions under resource adequacy needs. It specifies recallability of energy from the Internal Resource and requirements for external resources, including documentation and control assurances.

SPECIAL CONDITIONS - (1) NS Power reserves the right to have a separate service agreement, if in the opinion of NS Power issues not specifically set out herein, must be addressed for the ongoing benefit of NS Power and its customers. - (2)...

AI summary This section outlines special conditions for standby service agreements, including NS Power's right to create separate service agreements, requirements for LRS' RtR customers and generators, and considerations for power supply system integrity. It also reserves NS Power's right to apply for changes in rates or terms to the Nova Scotia Energy Board.

- (iv.) Any export transactions utilizing energy from the Internal Resource will be recallable by the NSPSO, up to the amount contracted to the wholesale customer, for delivery to the NSPI system in the event of a resource adequacy need. -...

AI summary The document outlines special conditions related to resource adequacy, specifying that energy and capacity from both internal and external resources must be recallable or available to NSPI in case of need. Specific documentation and control requirements are imposed on external resources.