Topic:"Grid Modernization" in M12412

- 3 a. Technology Needs Assessment and Business Case: These costs are for internal asset and 4 systems inventory reviews to be conducted by an external consultant to assess systems 5 currently in-use by NSPI and a needs assessment for tech...

AI summary The text outlines various costs related to technology assessments, office leasing, cybersecurity, and control center planning for the NSIESO. These include assessments by external consultants, temporary office space in Halifax, cybersecurity monitoring services, and planning for control center locations, informed by a previous cybersecurity incident inquiry.

Date filed: October 7, 2025 NSIESO (CA) IR - 4 1 Request IR - 5 37 e) What NSIESO responsibilities (e.g., procurements for energy resources) will depend on 38 the actual schedule for completing system planning modeling results? 39 f) Pleas...

AI summary The document outlines several questions directed to the NSIESO regarding its responsibilities, evaluation of the fast-acting generation project, and plans for the NS-NB Reliability Intertie Project. It also references previous responses and ongoing engagement with Nova Scotia Power.

Response IR - 2 - a) With the current focus on transition activities NSIESO has not specifically assessed Net Zero Atlantic's report entitled "Mitigating the Impact of Building Electrification on Peak Demand in Atlantic Canada" and how it...

AI summary NSIESO has not assessed Net Zero Atlantic's report on building electrification's impact on peak demand but plans to incorporate stakeholder input in its IRP process starting October 2025. No updates on the ELCC study are provided, though discussions with Nova Scotia Power are anticipated.

8 Operator as a separate entity as of October 1, 2013. The majority of the operations of the system operator were Nova Scotia Energy Board Board Matter - M12412 – An Application by the Nova Scotia Independent Energy System Operator - 1 fol...

AI summary The document discusses the integration of the Nova Scotia Independent Energy System Operator (NSIESO) into New Brunswick Power operations, with the Nova Scotia Energy Board (NSEB) assuming responsibility for ensuring reliability standards. The analysis considers practices from various ISOs across Canada.

- 6 Figure 9 Alberta AESO total costs (% basis) 4

AI summary The text references a figure from Alberta's AESO detailing total costs on a percentage basis, though no further context or discussion is provided.

NOVA SCOTIA ENERGY BOARD 2 IN THE MATTER OF: The More Access to Energy Act 3 IN THE MATTER OF: An Application by the Nova Scotia Independent Energy System 4 Operator for approval of its proposed expenditure and revenue 5 requirement for th...

AI summary The Nova Scotia Energy Board is considering an application by the Nova Scotia Independent Energy System Operator for approval of its proposed expenditure and revenue requirements for the test year ending March 31, 2026, under the More Access to Energy Act.

eration SEE's recommendations as part of its IRP exercise and study. SEE also provided comment regarding the technical expertise at IESO Nova Scotia to conduct the IRP exercise, providing as follows: …there is uncertainty around the exact...

AI summary Synapse Energy Economics (SEE) raised concerns about the technical expertise of IESO Nova Scotia's team for the Integrated Resource Plan (IRP) exercise, noting uncertainty around staffing. IESO responded that key members from Nova Scotia Power's planning team have transferred. SEE urged expedited IRP completion, while Dunsky Energy + Climate was selected for the IRP, and Energy + Environmental Economics (E3) is conducting an ELCC study with NS Power.

IN THE MATTER of the MORE ACCESS TO ENERGY ACT - and - IN THE MATTER OF AN APPLICATION by the NOVA SCOTIA INDEPENDENT ENERGY SYSTEM OPERATOR for approval of its proposed expenditure and revenue requirement for the test year ending March 31...

AI summary The Nova Scotia Independent Energy System Operator (IESO) seeks approval for its expenditure and revenue requirement for the test year ending March 31, 2026. The proceeding involves multiple intervenors, including the Consumer Advocate, Small Business Advocate, Department of Energy, and others, before a regulatory panel chaired by Stephen T. McGrath.

Approval required to charge or change rate or tariff 78 Unless approval to do so has been obtained from the Energy Board, neither the IESO nor any transmitter may charge or change any charge, rate or toll or any tariff respecting transmiss...

AI summary The regulation mandates that the IESO and transmitters must obtain Energy Board approval before altering charges, rates, or tariffs for transmission or ancillary services. This ensures regulatory oversight of pricing changes in the energy sector.

The IESO did not participate in the above matters. However, in those matters and others considered by the Board, NS Power confirmed that it is assisting the IESO in the transition of responsibilities. [72] The IESO's plans about the IRP pr...

AI summary The IESO acknowledged limited initial planning for its IRP process but confirmed engagement with consultants and NS Power staff transfer to address expertise concerns. It estimated IRP completion by late 2026 and initiated ELCC studies. The Board accepted Synapse's evidence regarding the IESO's capacity to conduct the IRP with internal and external support.

Request IR-2: - Reference: NS Power Reply Submission, September 4, 2025, M12247, page 19, the ELCC study and the Net Zero Atlantic Hybrid Peak Study. - a) In early August, Net Zero Atlantic released a report entitled "Mitigating the Impact...

AI summary Request IR-2 seeks NSIESO's understanding of how Net Zero Atlantic's report on building electrification may influence IRP modeling assumptions and updates on the ELCC study's status, including management responsibility between NSPI and NSIESO.

Non-Confidential To: The Nova Scotia Independent Energy System Operator ("NSIESO") 3. Reference: Exhibit A-1 (page 5 of 36, lines 23-26)"The NSIESO intends to pursue a phased transition of the System Operator functions from NSPI to the NSI...

AI summary The NSIESO is planning a phased transition of System Operator functions from NSPI to the NSIESO, starting with energy procurement, system planning, and transmission interconnection in Q4 2025, followed by grid and energy dispatch operations in Q2 2027. Details for the Q2 2027 phase are requested.

Application for approval of transmission tariff - 79 (1) The IESO shall make application to the Energy Board for approval of a transmission tariff for the provision of transmission services or ancillary services, or both, and the applicati...

AI summary The IESO must apply for a transmission tariff, including the transmitter's revenue requirement. The Energy Board must approve the tariff based on revenue projections and cost recovery mechanisms for ancillary services. The Board can set timelines for tariff implementation.

ll not be available before July 1, 2026, and, subject to stakeholder engagement and feedback, the NSIESO expects to complete the first IRP exercise by the end of 2026. [Exhibit N-7, IR-17, PDF p. 43] [62] In Synapse IR-2, it was asked abou...

AI summary The NSIESO plans to complete the first Integrated Resource Planning (IRP) exercise by late 2026, pending stakeholder input. Synapse, engaged by the NSEB, reviewed the IRP process and recommended modeling considerations, including cost analysis for renewable resources and regional system integration. Key references include matter M12217.

The IESO did not participate in the above matters. However, in those matters and others considered by the Board, NS Power confirmed that it is assisting the IESO in the transition of responsibilities. [72] The IESO's plans about the IRP pr...

AI summary The IESO acknowledged limited initial planning for its Integrated Resource Plan (IRP) but confirmed subsequent engagement with consultants and NS Power staff transfers to address technical expertise concerns. The Board accepted Synapse's evidence that the IESO now has sufficient internal and external support for the IRP process, with ELCC studies underway.

The Board orders that: - 1. IESO Nova Scotia's expenditure and revenue requirement for its initial test year ending March 31, 2026, is approved at $6,751,287, with a net amount of $5,306,824 after the application of provincial funding. - 2...

AI summary The Board approves IESO Nova Scotia's revenue requirement for 2026 and sets requirements for future filings, including detailed financial and planning information. It also directs the IESO to address specific issues in its integrated resource planning, including modeling scenarios with New Brunswick and incorporating demand response opportunities.