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Can you review the requirements for a load to be included in the forecasting process? How firm does a commitment need to be?

At the SCC’s directive, the Company uses the PJM Derived Load Forecast in the development of IRP Portfolios. For detailed information about load forecast methodology, please see Appendix 2A from the 2024 VA/NC IRP, available at https://www.dominionenergy.com/about/our-company/irp. In addition, the Load Forecast section of the 2025 IRP Update can be found in Chapter 2.1.

For an overview of the PJM Derived Load Forecast methodology, please see the "Modeling Meeting 1 Slides" document posted here [https://devirp.dominionenergy.com/img/feedback/media/Modeling-Meeting-1-Slides-4.29.26.pdf] and associated recording.

In addition, PJM’s Load Forecast Development Process is described here: https://www.pjm.com/planning/resource-adequacy-planning/load-forecast-dev-process

Other Stakeholder Questions and Answers

• Could you please walk through a basic explanation of NPV?
• How are projected transmission costs for future units that may not have gone through the RTEP treated in the IRP?