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Please represent both NPV slides in the actual mathematical algorithm being employed, also show how DSM factors in.

Please see slides 17-18 of the presentation from IRP Conference 1, held May 8, 2026, available here: https://devirp.dominionenergy.com/img/feedback/media/May-8---Stakeholder-Conference-1.pdf. In addition, for a full explanation of these slides, please view the Recording from IRP Conference 1, beginning at time stamp 0:25:20.

Demand side management functions as a “load reducer” and is incorporated in the load forecast, thereby reducing the customer demand the IRP model must build resources to meet.

Other Stakeholder Questions and Answers

• Does the Company include the cost of RECs from the renewable energy generation that Dominion owns?
• If stakeholders identify alternative data sources or inputs for commodity forecasting, is there an opportunity for those inputs to be considered by Dominion Energy or ICF as part of the IRP process?