Public utilities certain; SCC shall determine if using reasonable classifications of customers.

Removed specific language directing the Commission to determine if non-data center customers unreasonably subsidize data center costs.

Added requirement for the Commission to determine whether electric utilities are using reasonable classifications of customers in biennial review proceedings.

Changed the effective period from immediate action to a specific window of January 1, 2025 through July 1, 2027 for Phase I and Phase II utility reviews.

Removed the specific definition of data center customers as primary beneficiaries of projects.

Removed specific authority to promulgate rules to eliminate unreasonable subsidies to data centers.

Changed from a general review of customer classification reasonableness to a specific mandate to investigate whether non-data center customers are subsidizing data center costs.

Added explicit reference to data center definition in subdivision A 43 of § 58.1-3506 of the Code of Virginia.

Added criteria for determining if a data center is the primary beneficiary of a project.

Added authority for the Commission to promulgate rules to eliminate or minimize unreasonable subsidies to data centers.

Changed from a specific biennial review window (January 1, 2025 to July 1, 2027) to allowing the Commission to incorporate provisions into ongoing proceedings or biennial reviews.

Document formatting changed from enrolled bill format to House substitute format with updated page headers and line numbering.

Removed 'ENROLLED' and 'VIRGINIA ACTS OF ASSEMBLY' chapter headers.

Added House substitute identification information including bill number, amendment type, committee name, and date.

Deadline changed from July 1, 2026 for a new proceeding to July 1, 2027 for a determination during existing biennial reviews.

Requirement changed from conducting a new regulatory proceeding to making a determination during existing Phase I or Phase II Utility proceedings.

Added requirement for the Commission to consider whether new or separate customer classifications are reasonable when making the determination.

Removed requirement for the Commission to establish separate public notice and hearing requirements for a new proceeding, as the review will occur within existing proceedings.

Removed requirement for the Commission to consult with specific state agencies (DEQ, DOE, VEP Authority, etc.) during the proceeding.