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Electric Transmission Access

Ensuring reliable and compliant transmission

The operational and planning functions of Dominion Energy's electric transmission system are provided by PJM Interconnection, a regional transmission organization (RTO).

PJM Interconnection ensures the reliability of the largest centrally dispatched electric grid in the world. Read more about PJM's role as a RTO.

Acting neutrally and independently, it also operates the largest competitive wholesale electricity market in the world.

Transmission and Interconnectivity

Open Access Transmission

Tariff PJM Open Access Transmission Tariff (OATT)
Information/Notices (May 13, 2025)

Interconnections

Customer Parallel Generation – Interconnection: You must obtain permission to interconnect your parallel generator to Dominion Energy's electric grid. Learn more about the important steps to follow to ensure proper and safe interconnection.
Transmission Interconnections: See the facility interconnection requirements.
Form of Interconnection Facilities Study Agreement
Form of Construction Agreement

Transmission Resources

Standards of Conduct Information

Dominion Energy Virginia is committed to adherence with the rules and regulations of the Federal Energy Regulatory Commission (FERC) Standards of Conduct (Order No. 717). Dominion Energy Virginia shall maintain on its Internet website the following informational postings required by the FERC Standards of Conduct and §358 of the Commission's Regulations. This information will be updated within seven business days of any change and will post the date the information was updated.

Documents

Additional Voluntary Consent Documents

Control Area Information

Control Area Load 1989-2004
Control Area Load 2005 (through 4/30)
LAMBDA 2003
LAMBDA 2004
LAMBDA 2005 (through 4/30)
Monthly Transmission Peaks 1999-2005 (4/30)