Agricultural and Farm Solar Installations in Virginia

Virginia's agricultural land presents distinct opportunities and regulatory considerations for solar energy development, from rooftop arrays on barn structures to large ground-mounted systems across cropland and pasture. This page covers the classification of farm solar installations, how they are structured and interconnected, the scenarios where they appear on working farms, and the decision points that determine which approach fits a given agricultural property. Understanding these distinctions matters because zoning classifications, tax treatment, and utility interconnection rules differ substantially between residential, commercial, and agricultural solar contexts.

Definition and scope

Agricultural solar installations in Virginia are photovoltaic systems deployed on land or structures that are classified as agricultural under local zoning and Commonwealth property tax assessment. The category includes rooftop systems on farm buildings such as barns, equipment sheds, and processing facilities, as well as ground-mounted arrays situated within farm parcels—whether dedicated entirely to power generation or integrated with agricultural activities in configurations known as agrivoltaic systems.

Virginia's land-use taxation framework under the Virginia Use-Value Taxation Program (Code of Virginia § 58.1-3230) governs how agricultural land receiving preferential tax assessment is treated when solar development occurs on that land. The Virginia Department of Agriculture and Consumer Services (VDACS) and local planning offices both play roles in determining whether a solar project on farmland retains, modifies, or forfeits agricultural land classification. The scope of this page is limited to installations within Virginia's jurisdictional boundaries; federal permitting requirements, multi-state transmission projects, and agricultural operations outside Virginia are not covered here.

The Virginia Clean Economy Act (VCEA), passed in 2020, set mandatory renewable portfolio standards affecting Dominion Energy Virginia and Appalachian Power, creating policy pressure that has accelerated both utility-scale and farm-scale solar development across rural Virginia counties.

How it works

Farm solar installations in Virginia move through a process that spans site assessment, interconnection application, permitting, and commissioning. A structured breakdown of the major phases follows:

1. Site and load assessment — The agricultural operation's electricity consumption (typically measured in kilowatt-hours per month from utility billing data) is compared against available roof area or acreage to size the system appropriately.
2. Interconnection application — Farms served by Dominion Energy Virginia or Appalachian Power Company submit an interconnection application under each utility's tariff rules. The process for Dominion is governed by its approved interconnection procedures on file with the Virginia State Corporation Commission (SCC). Net metering eligibility for agricultural customers is addressed under Virginia Code § 56-594.
3. Local zoning and use permit review — Virginia's counties administer their own zoning ordinances. Ground-mounted solar on agricultural land often requires a special use permit or conditional use permit depending on system size and whether the installation is classified as a by-right accessory use. Local zoning and land use for solar in Virginia varies significantly by jurisdiction.
4. Building and electrical permits — Structural permits for mounting systems on existing farm buildings and electrical permits for inverter and disconnect installation are issued by the local building department. Inspections follow the Virginia Uniform Statewide Building Code (USBC), which adopts the International Building Code and International Fire Code with state amendments.
5. Utility commissioning and interconnection agreement execution — Following inspection approval, the utility issues permission to operate (PTO), enabling the system to export power to the grid.

Safety standards applicable to farm installations include NFPA 70 (National Electrical Code) Article 690 governing photovoltaic systems, and NFPA 855 for any battery energy storage components. The conceptual overview of how Virginia solar energy systems work covers the fundamental generation and grid interaction mechanics underlying all installation types.

Common scenarios

Three distinct deployment patterns appear on Virginia farm properties:

Barn and outbuilding rooftop systems — These are the most straightforward from a permitting standpoint. A metal-roofed equipment shed carrying a 50–200 kilowatt array is structurally assessed, permitted under the USBC, and connected as an accessory to the farm's existing utility account. No land-use reclassification is triggered.

Dedicated ground-mounted farm arrays — Arrays sized from 100 kilowatts to several megawatts on agricultural parcels require the most regulatory navigation. If the land has been enrolled in Virginia's land-use taxation program, removing acreage from agricultural production to host solar can trigger rollback taxes covering up to 5 prior tax years under Code of Virginia § 58.1-3237. County assessors apply different interpretations depending on whether the land under and around panels retains any agricultural use.

Agrivoltaic systems — In this configuration, solar panels are elevated on racking systems at heights of 2.5 to 4 meters, allowing crops or livestock grazing to continue beneath and between rows. Virginia has no dedicated agrivoltaic statute as of 2024, so these projects are evaluated under general agricultural zoning standards. Research from land-grant institutions including Virginia Tech has documented compatible crop pairings under elevated panels, including shade-tolerant vegetables and pollinator habitat plantings.

The Virginia solar incentives and tax credits page and the property tax exemption for solar in Virginia provide detail on the separate machinery and tools tax exemption that may apply to solar equipment on agricultural properties.

Decision boundaries

The distinction between a farm solar installation and a commercial solar project in Virginia hinges on three variables: system size relative to on-site agricultural load, land classification under local zoning, and whether the primary revenue is from farming or power sales.

• Below 1 megawatt AC / on-site consumption primary — Generally treated as an accessory agricultural use; net metering at agricultural rates may apply; building permit required but special use permit often not triggered depending on county ordinance.
• Above 1 megawatt AC / wholesale export primary — Classified by the SCC and most Virginia counties as a utility-scale project regardless of land use; subject to the SCC's permit-by-rule process under 20 VAC 5-302 for projects generating 5 megawatts or more; distinct from accessory agricultural use.

Agricultural operators considering ground-mount systems on enrolled land-use parcels should verify county assessor policy on rollback tax exposure before committing to panel placement. The Virginia solar regulatory context page maps the full agency landscape, and the Virginia solar authority homepage provides orientation across all installation types and program categories covered within this reference network.

Installations on agricultural land near historic districts or within areas covered by agricultural-forestal districts may face additional review layers. Systems on historic farm structures are addressed separately under solar energy and historic properties in Virginia. For off-grid configurations serving remote farm buildings without utility access, see off-grid solar systems in Virginia.

References

• Virginia State Corporation Commission (SCC)
• Virginia Code § 58.1-3230 — Use-Value Taxation Program
• Virginia Code § 58.1-3237 — Rollback Taxes
• Virginia Code § 56-594 — Net Metering
• 20 VAC 5-302 — SCC Permit by Rule for Renewable Energy Facilities
• Virginia Department of Agriculture and Consumer Services (VDACS)
• Virginia Department of Housing and Community Development — Virginia Uniform Statewide Building Code
• NFPA 70 (National Electrical Code), Article 690 — Solar Photovoltaic Systems
• NFPA 855 — Standard for the Installation of Stationary Energy Storage Systems
• Virginia Clean Economy Act — Legislative Information System