Public Notice – Environmental Permit

PURPOSE OF NOTICE: To seek public comment on certain provisions of a draft permit from the Department of Environmental Quality (DEQ) to limit air pollution emitted by a facility in Fairfax County, Virginia.

PUBLIC COMMENT PERIOD: October 21, 2026 to November 20, 2026

PERMIT NAME: Federal Operating Permit issued by DEQ, pursuant to applicable air laws and regulations

APPLICANT NAME AND ADDRESS: Virginia Electric and Power Company dba Dominion Energy; 220 Operation Way, MC OSC 1A, Cayce, SC 29033

FACILITY NAME, ADDRESS, AND REGISTRATION NUMBER: Dominion Energy – Fort Belvoir Privatization; 9685 Gunston Road, Fort Belvoir, VA 22060; Reg. No. NRO-74055

PROJECT DESCRIPTION: Dominion Energy has applied for a modification to the permit for Dominion Energy – Fort Belvoir Privatization. The facility is comprised of emergency diesel engine generators on Fort Belvoir property exclusively operated by Dominion Energy. The facility is classified as a major source of air pollution. The proposed change in emissions would be a 0.37 ton/year increase in Nitrogen Oxides (as NO2), 0.08 ton per year increase in Carbon Monoxide, and 0.00436 ton per year increase in Volatile Organic Compounds. The permit modification would allow the source to operate two emergency engine generator sets, equipped with closed-loop select catalytic reduction (SCR) emissions controls.

HOW TO COMMENT AND/OR REQUEST A PUBLIC HEARING: DEQ is accepting comments on Conditions 1, 2, 4, 5, 7, 11, 13, 15, 17, 20, 22, 23, 26, 29, 30, 31, 32, 33, 35, 38, 42, 44, 46, 47, 48, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 78 and 110 of the draft Title V permit only. DEQ accepts comments and requests for public hearing by hand-delivery, e-mail, or postal mail. All comments and requests must be in writing and be received by DEQ during the comment period. Submittals must include the names and mailing addresses or email addresses of the commenter/requester and of all persons represented by the commenter/requester. A request for public hearing must also include: 1) The reason why a public hearing is requested. 2) A brief, informal statement regarding the nature and extent of the interest of the requester or of those represented by the requester, including how and to what extent such interest would be directly and adversely affected by the permit. 3) Specific references, where possible, to terms and conditions of the permit, with suggested revisions. Please note this draft permit is being concurrently reviewed as a proposed permit by the U.S. Environmental Protection Agency. A public hearing may be held, including another comment period, if public response is significant, based on individual requests for a public hearing, and there are substantial, disputed issues relevant to the permit.

CONTACT FOR PUBLIC COMMENTS, DOCUMENT REQUEST AND ADDITIONAL INFORMATION: Maryann Williams; Northern Regional Office, 13901 Crown Court, Woodbridge, VA 22193, Phone: (571)408-1731; E-mail: maryann.williams@deq.virginia.gov. The public may review the draft permit and application at the Northern Regional Office or may request copies of the documents from the contact person listed above.

Run Date: October 21st, 2026

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