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Will stakeholders have access to the IRP modeling tools and inputs?

House Bill 429 / Senate Bill 249 addresses stakeholder access to modeling tools and inputs. As stated previously, the Company is actively considering how to reflect these requirements in future IRP processes, assumptions, modeling, analysis, and stakeholder engagement activities, but does not plan to provide PLEXOS licenses for the 2026 IRP cycle. See https://devirp.dominionenergy.com/stakeholder-questions-and-answers/will-dominion-provide-plexos-licenses-free-or-at-a-discount-to-intervenors-to-allow-them-to-work-directly-with-irp-models.

Other Stakeholder Questions and Answers

• Are incremental savings from DSM program participation subtracted from the Company’s overall load forecast to reflect lower energy and demand for all Portfolios?
• Where can stakeholders find information on the historical energy efficiency savings achieved through Dominion Energy's energy efficiency programs?