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Dominion 'Golden to Mars' 230/500 kV transmission line (SCC PUR-2025-00056)
Dominion Energy Virginia
- Status
- Approved by the State Corporation Commission (final order Jun 29, 2026, Route 3A), appeal pending per United Loudoun
- Developer / parties
- Dominion Energy Virginia
- Location
- Loudoun County (Dulles area), Loudoun County
- Size
- Per United Loudoun's summary of the SCC order: about 8.4 miles, in-service target Jun 1, 2028, estimated cost about $513 million (tracker summary, SCC order not opened)
- Reported benefits
- Loudoun Now reports Dominion considers the Golden to Mars project essential and describes the related Golden substation as part of a loop intended to increase grid reliability
- Concerns / impacts
- Loudoun Now says the project has drawn criticism from area residents. Mileage, cost and in-service date come from a tracker, not from an SCC document we opened
- Last verified
- 2026-11-02
Milestones
- SCC case PUR-2025-00056, Jun 29 2026 final order selecting Route 3A (county transmission page), the county page and United Loudoun name the affected loop differently (Lockridge vs Prentice), so that detail is conflicting
Related records
2026-06-29
Utility regulator (SCC) Official record
SCC final order in case PUR-2025-00056 selected Route 3A for Dominion's Golden to Mars transmission line, according to the county's transmission page. United Loudoun reports an appeal is pending (tracker source).
Source: loudoun.gov ↗Sources
- Official record loudoun.gov
- Third-party tracker unitedloudoun.org
- News report loudounnow.com
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