Topic:"Generator Interconnection" in M12593

DESCRIPTION: This project will design, develop, and implement two new interrelated software solutions in the Energy Control Centre (ECC) to (1) automate the process for tracking independent power producer (IPP) generation, and validate and...

AI summary The project involves developing two new software solutions in the Energy Control Centre (ECC) to automate renewable generation tracking, wind curtailment prioritization, and enhance reporting. It also includes implementing Automatic Generator Controls (AGC) in the NS Power SCADA platform to improve dispatch and control between NS Power and Independent Power Producers (IPPs). The initiative aims to increase efficiency and transparency in managing renewable generation as Nova Scotia's grid expands.

Why do this project? NS Power is anticipating the installation of at least 1,000 MW of procured new wind generation on the system by 2030. This aligns with NS Power's 10 Year System Outlook, which includes the Provincial Clean Power Plan,...

AI summary NS Power is planning to install 1,000 MW of new wind generation by 2030, aligning with provincial and federal renewable energy legislation. This will require changes to the ECC Operations technologies to manage a larger number of independent power producers and improve system stability. The project aims to provide real-time data and automation for managing wind generation, ancillary services, and increased market participants on the Nova Scotia Bulk Electric System.

CI C0053696 ECC Wind Integration Project (NSEB M12593) NSPI Responses to NSEB Information Requests 1 Request IR-4: 7 (a) Please explain whether it is a mandatory requirement for all IPPs (legacy and new) 8 to be integrated with the propose...

AI summary The document outlines NSPI's response to a request regarding the integration of legacy and new Independent Power Producers (IPPs) into a new automation system. It confirms that integration is mandatory for all IPPs and states that no new requirements are needed for legacy IPPs, as system upgrades will only affect NS Power's internal systems.

CONFIDENTIAL (Attachment Only) 1 Request IR-7: 2 3 In the Description, NS Power noted the following: 4 5 The anticipated growth in the renewable generation with enhanced control 6 capabilities, however, requires a more robust and automated...

AI summary The document requests information about independent power producers (IPPs) connected to the NS Power system, including their capacity, connection details, and Automatic Generator Controls (AGC) requirements. It also asks for projections of IPPs over the next five years and by 2030, as well as plans for upgrading non-AGC IPPs.

REDACTED C0053696 NSEB IR-7 Attachment 1 Page 1 of 2 REDACTED (CONFIDENTIAL INFORMATION REMOVED) IPP Туре Capacity Summer (MW) Capacity Winter (MW) Interconn. Voltage (Volts) Connection Feeder Number Transmission or Distribution Connected...

AI summary The document contains a redacted table with information about an Independent Power Producer (IPP) connected to the distribution system. The table includes details such as type, capacity in summer and winter, interconnection voltage, connection feeder number, transmission or distribution connection, and Automatic Generation Controls (AGC) status.

Active Distribution Interconnection Requests Publish Date: 2026-01-08 Interconnection Point Type Inservice date Revised Inservice date Status Service Type IC Identity Solar 2022-08-03 GIA Executed N/A N/A Solar 2023-04-23 GIA Executed N/A...

AI summary The document lists active distribution interconnection requests, detailing their status, service type, and dates. Most requests are in various stages of completion, with some nearing service initiation. The data reflects ongoing solar interconnection activities, with a focus on project timelines and status updates.

NON-CONFIDENTIAL 1 1 Under section 7.2 of the Generator Interconnection Agreement (GIA), the System Operator may 2 require the Interconnection Customer to interrupt or reduce electricity if such deliveries could 3 adversely affect the safe...

AI summary The document outlines the need for enhanced software tools to manage wind generation curtailment equitably and transparently, as the current manual processes are inefficient and prone to human error. This is in response to the increasing interconnection of new wind generation by 2030 and regulatory requirements.

NON-CONFIDENTIAL 1 event to all wind farms, ensuring transparency – all of which are manual tasks for the System 2 Operator today. 3 4 In addition, the new solution will leverage new wind AGC control capabilities for system stability 5 by...

AI summary The document discusses a new solution for wind farm integration, enhancing system stability through AGC control and improving visibility for the System Operator. It also outlines the need for automated billing processes for IPPs providing AGC services under new PPA terms.

rent fashion, - leverage new wind control capabilities for system stability, and - automate the back-office solution needed for effective settlement and reconciliation activities. [Exhibit N-1, p. 1] In response to IR-1, NS Power described...

AI summary NS Power outlines two automation solutions aimed at improving system stability and back-office efficiency. The first automates IPP compensation, replacing manual processes with centralized data management and reporting. The second automates wind curtailment decision-making by integrating data flows across systems.

ification. NS Power explained that this solution will integrate data from various systems to support automated decision making related to curtailment events. The key functions of solution two include: - Monitoring overall system generation...

AI summary NS Power outlines a solution to integrate data from various systems for automated decision-making during curtailment events. The solution includes monitoring, automating curtailment calculations, and providing reporting and audit capabilities. NS Power also provides projections on new wind generation capacity and clarifies the scope of the AGC capability.

Request IR-7: - In the Description, NS Power noted the following: - The anticipated growth in the renewable generation with enhanced control capabilities, however, - requires a more robust and automated system to ensure that planned and ex...

AI summary NS Power is requesting information on independent power producers (IPPs) connected to its system, including their capacity, connection details, and Automatic Generator Controls (AGC) requirements. It also seeks details on future IPPs, the management of non-AGC IPPs, and a cost-benefit analysis of the AGC system.

Request IR-8: - Please explain the AGC function in plain language and compare the current manual operation - process with the new automated operation system, explaining how the new system enhances the - following functions. - The solution...

AI summary The document requests an explanation of the AGC function, comparing manual and automated operations, and highlights how the new system improves wind generation management, system stability, and back-office processes for settlement and reconciliation.

Request IR-12: - In Why do this project, NS Power noted the following: - Legacy wind generators are not equipped with AGC capability and therefore can be curtailed only in pre-set increments under different compensation terms. The solution...

AI summary NS Power is proposing a project to enable legacy wind generators to adopt AGC capability, which would allow for better data management and compliance with PPA terms. The request seeks clarification on mandatory requirements for AGC adoption and compensation terms for legacy generators compared to new AGC generators.

Request IR-13: - In Why do this project, NS Power noted that "All wind generation (legacy or new) must be dispatched efficiently and in a fair and equitable manner in line with the terms of each PPA. The presence of AGC now enables dynamic...

AI summary NS Power is being asked to explain how it ensures fair treatment of legacy and new IPPs in dispatch and curtailment, whether faster automatic systems may lead to less curtailment for new generators, and how non-wind IPPs are managed with potential automation.

Request IR-14: - Please compare the current manual operation process and the new AGC system on manage - energy dispatch and leverage available wind. - a) For the automated wind curtailment, please explain how the new system integrates with...

AI summary The request asks for a comparison between the current manual operation process and the new AGC system in managing energy dispatch and wind leverage, with specific questions on integration, compatibility, and potential upgrade costs.

M12593 NOVA SCOTIA ENERGY BOARD IN THE MATTER OF: THE PUBLIC UTILITIES ACT - and - IN THE MATTER OF: AN APPLICATION by NOVA SCOTIA POWER INCORPORATED (NS Power) for Approval of a Capital Item: CI C0053696 – ECC Wind Integration NON-CONFIDE...

AI summary The Nova Scotia Energy Board has requested detailed explanations from NS Power regarding two new software solutions needed for managing renewable energy generation and wind curtailment, including their functions, current operational processes, and any applicable regulatory requirements.

anual operating, reporting, and transactional procedures for the management of legacy wind generation in Nova Scotia are sufficient for smaller capacities of generation with limited control features.” 1. Please explain whether it is a mand...

AI summary The document discusses the management of legacy wind generation in Nova Scotia, the integration of independent power producers (IPPs) with an automation system, and the requirements for AGC (Automatic Generator Control) capabilities. It also requests information on current and projected IPPs, their capacities, and the cost-benefit analysis of implementing an AGC system.

to manage the non-AGC IPPs, to ensure efficiency, accuracy and transparency. 3. Please explain the requirements for IPPs to connect to AGC. 4. Please provide a cost benefit analysis of the AGC system. Please explain the AGC function in pla...

AI summary The text outlines a series of questions related to the Automatic Generator Control (AGC) system, including its function, cost-benefit analysis, integration with Independent Power Producers (IPPs), and the project's relationship with previous applications. It also inquires about Request for Proposals (RFP) status, user involvement, and the rationale for the project.

in NS Power’s plan to transfer the assets and indicate any training requirements for NSIESO. 4. If NS Power is the only user, please explain why. In Why do this project, NS Power noted the following: Legacy wind generators are not equipped...

AI summary The document outlines NS Power’s proposal to implement AGC capabilities for legacy wind generators, enabling more efficient dispatch and compensation. It requests clarification on mandatory requirements, compensation terms, and fairness in curtailing both legacy and new IPPs. The project aims to improve data handling and automation for better reconciliation and settlement processes.

1. For the automated wind curtailment, please explain how the new system integrates with other generation resources (non wind generators and non AGC wind generators) to receive dynamic generation and consumption data to perform this functi...

AI summary The text consists of a series of questions raised in a regulatory proceeding regarding the automation system for wind curtailment, its integration with other generation resources, system upgrades, costs, lifecycle, maintenance, and financial implications. It also asks about funding from NRCan and contingency plans in case of system failure.

February 10, 2026 Crystal Henwood Clerk of the Board Nova Scotia Energy Board 1601 Lower Water Street, 3rd Floor Halifax, NS B3J 3S3 Re: M12593 – CI C0053696 – ECC Wind Integration – No Reply Comments Dear Ms. Henwood: On December 1, 2025,...

AI summary NS Power submitted an application for a capital item, and the IESO Nova Scotia had the opportunity to request information or comment. No comments were received, so NS Power will not submit reply comments.

rent fashion, - leverage new wind control capabilities for system stability, and - automate the back-office solution needed for effective settlement and reconciliation activities. [Exhibit N-1, p. 1] In response to IR-1, NS Power described...

AI summary NS Power outlines two automation solutions to improve operational efficiency: one for managing IPP compensation and wind curtailment manually through Excel, and another for automating wind curtailment decisions. These solutions aim to centralize data, reduce human error, and streamline reporting and reconciliation.

ification. NS Power explained that this solution will integrate data from various systems to support automated decision making related to curtailment events. The key functions of solution two include: - Monitoring overall system generation...

AI summary NS Power outlined a solution for managing curtailment events by integrating data from various systems to support automated decision-making. The solution includes monitoring system generation, load, and dispatch, automating curtailment calculations, and providing detailed reporting and audit capabilities. NS Power also addressed questions regarding the capacity of new wind generation IPPs and the scope of the proposed AGC capability.