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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

• Can effective load carrying capability (ELCC) values change from year to year? Are there limits to the magnitude of change, or can there be fairly large year-over-year change to ELCC values for specific resource classes?
• How does the commodity forecast account for planned natural gas fired generation in the PJM queue and the expansion of natural gas exports when developing natural gas price assumptions?