Loudoun County, VA — Solar Development Risk Assessment

Local solar ordinance barriers, board sentiment, and utility policies that affect development timelines and risk.

35
Risk Grade
Excellent
Northern VA political environment is improving for solar but land is dominated by data center development; very limited utility-scale opportunity.
Assessment Snapshot
Population
420,959
State Rank
#4
Compliance
70%
Trajectory
20

Moratorium Status

✓ No Active Moratorium
No Moratorium

Ordinance & Regulations

Setback Requirements
Loudoun County-specific SE/SUP conditions control — county-set setbacks vary from 50 ft (rural) to 300+ ft (residential adjacent). Verify current Loudoun County zoning ordinance for adopted local setback standards.
Zoning Mechanism
SE / SUP
Acreage Caps
No codified cap (de facto limited by land cost/availability)
Density Caps
No codified cap (de facto limited by land cost/availability)
Spacing Rules
None codified
Size Restrictions
None codified

Board Sentiment & Political Risk

Sentiment Analysis
Supportive in principle; no meaningful market
Basis for Assessment
D-majority BOS philosophically supportive; no utility-scale land available due to data center corridor and full suburban development; market constraint not politics
Political Risk Factors
Improving
Board Members
Phyllis J. Randall | D | Nov 2027 (Chair, At-Large) Juli E. Briskman | D | Nov 2027 (Algonkian District) Michael R. Turner | R | Nov 2027 (Ashburn District, Vice Chair) Sylvia R. Glass | D | Nov 2027 (Broad Run District) Caleb A. Kershner | R | Nov 2027 (Catoctin District) Matthew F. Letourneau | R | Nov 2027 (Dulles District) Kristen C. Umstattd | D | Nov 2027 (Leesburg District) Laura A. TeKrony | D | Nov 2027 (Little River District) Koran T. Saines | D | Nov 2027 (Sterling District) (9 total; D-majority 5-4) Source: loudoun.gov/86/Board-of-Supervisors

Grid, Utilities & State Context

Grid Operator
PJM / Dominion Energy Virginia (DEV) transmission zone
Utilities
NOVEC (Northern Virginia Electric Co-op), Dominion Energy Virginia (DEV)
State Permitting Process
Local permit: Special Use Permit (SUP) or Conditional Use Permit (CUP) in A-1 Agricultural zoning; issued by Board of Supervisors (BOS) or Planning Commission per county ordinance. Counties without zoning (Buchanan, Russell, Lee, Scott, etc.) proceed via revenue-sharing siting agreements. SCC CPCN: Va. Code §56-580 (as amended by HB 1558/SB 762, eff. Jul 2021) — SCC Certificate of Public Convenience & Necessity required for generating facilities ≥5 MW; waivable for utility-owned projects under SCC-approved IRP. DEQ Permit by Rule (PBR): Required for all solar facilities ≥1 MW per Va. Code §10.1-1197.6; includes VSMP/VPDES erosion & stormwater permits. Mar 2022 DEQ rule: solar panels counted as impervious surface same as parking lots. Revenue sharing: Va. Code §15.2-2288.7 — localities may require up to $1,400/MW-year for utility-scale solar on agricultural or forestal land; increases 10% in year 1 then every 5 years thereafter. VDACS notice: VA Dept. of Agriculture & Consumer Services must be notified for projects converting prime agricultural or forestal land. PENDING LEGISLATION (as of Mar 11, 2026): HB 711 (Herring) / SB 347 (VanValkenburg) both cleared both chambers and await Gov. Spanberger's signature (session ends Mar 14, 2026). If signed: (1) all localities must allow solar ≥1 MW via special exception — outright bans illegal; (2) statewide setback floor: 150–200 ft non-participating dwellings, 50–100 ft from state roads, 100–250 ft from streams/wetlands, 50–75 ft from property lines; (3) localities retain denial authority but must report reasons to SCC public database; (4) companion HB 891/SB 443: BESS permitted accessory use on approved solar SE sites. Spanberger is pro-solar; signature expected. Monitor: lis.virginia.gov.
State Incentives
Virginia Clean Economy Act (VCEA, 2020): Dominion must reach 100% carbon-free by 2045; Appalachian Power by 2050; major driver of utility-scale solar procurement. Net metering: available under VCEA for systems up to 1 MW (by-right); large-scale behind-the-meter negotiated. SCC SolarShare: Dominion program offering renewable energy credits. Virtual net metering (Virginia): programs vary by utility. DEQ review: required for solar facilities ≥150 MW (permit by rule) or DEQ standalone review. Utility: Dominion Energy Virginia serves 2/3 of VA; Appalachian Power (AEP) serves western VA; Northern Virginia Electric Coop (NOVEC) serves NoVA exurbs; various rural cooperatives and municipal utilities.

Development Activity

Active/Completed Projects
Multiple small solar approvals | 5–20 MW | 2018–2023 [Data center corridor displacing agricultural land that might otherwise host solar; Northern VA suburban pressure limits large-scale sites]
Denied/Withdrawn Projects
No confirmed Board of Supervisors solar CUP/SUP denial on record for Loudoun County as of Mar 2026. Virginia Weldon Cooper Center tracks approval/denial data statewide — verify at coopercenter.org for current Loudoun County project history.

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