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Is imported energy treated as a separate commodity? And if so, how is the price and the volume of it estimated?

The price of imported energy is reflected through energy price forecasts , and the volume of imports is determined economically by the PLEXOS model as part of its least cost solution, rather than being prescribed as a fixed commodity quantity.

For more information, please see Appendix 5B-6 and 5B-7 from the 2025 VA/NC IRP Update, available at https://www.dominionenergy.com/about/our-company/irp.

Other Stakeholder Questions and Answers

• How is the amount of each commodity needed estimated? Are commodity costs for the portfolio a combination of (a) cost for each commodity and (b) amount of each commodity?
• Does ICF have multiple price forecasts for different combinations of demand response that could be configured for different resource plan alternatives?