Virginia County Rejects Nearly 2,000-Acre Data Center Megaproject Amid Growing Backlash

2026 Rolling Updates

• April 2026 — Prince William County withdrew its own legal appeal in the related PW Digital Gateway case (a separate, previously-approved 37-data-center corridor next to Manassas National Battlefield Park that a Virginia judge voided in August 2025 over public-notice violations; the Virginia Court of Appeals upheld that ruling in March 2026). The county is reported to have spent an estimated $1.7 million defending that litigation (InsideNoVa/Northern Virginia Magazine reporting).
• Late April 2026 — Developer Compass ended its appeal of the Digital Gateway ruling.
• Early July 2026 — Digital Gateway developer QTS also dropped its appeal, effectively killing the Digital Gateway project for good.
• July 7, 2026 — The Board of Supervisors votes 8-0 to deny the Dulles South Innovation Center comprehensive plan amendment — a rare unanimous rejection for a data center proposal in the region.
• Illustrative/estimated: any dollar figure for what Sanders Lane Assemblage I LLC paid for the underlying land — no public filing confirmed as of this writing.

Northern Virginia Data Center Footprint (Approximate)

Figures cross-referenced from Piedmont Environmental Council data center mapping and local reporting.

A Rare Unanimous "No"

Data center land deals rarely lose votes in Northern Virginia — and they almost never lose them unanimously. Tuesday's 8-0 tally against the Dulles South comprehensive plan amendment stands out precisely because Prince William supervisors have historically been receptive to data center growth, with the county's Data Center Opportunity Zone Overlay District designed to funnel projects to pre-approved corridors.

County staff's recommendation to deny leaned on that overlay: the Sanders Lane site sits outside it. As WTOP and Northern Virginia Magazine both reported from the hearing, staff framed the amendment as a "piecemeal" attempt to extend land beyond the boundaries the county had deliberately drawn.

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The Ghost of Digital Gateway

The vote didn't happen in a vacuum. It happened in the long shadow of the PW Digital Gateway — a separate, previously-approved 37-data-center corridor next to Manassas National Battlefield Park, which a Virginia judge voided in August 2025 over public-notice violations. The Virginia Court of Appeals upheld that ruling in March 2026.

By April 2026, Prince William County had dropped its own appeal — after spending an estimated $1.7 million defending the litigation, according to InsideNoVa and Northern Virginia Magazine reporting. Developer Compass ended its appeal later that month, and QTS followed in early July 2026, effectively closing the door on the Digital Gateway project.

Local reporting during the Dulles South hearing described community sentiment as exhausted by multi-year fights over data center approvals — a Gainesville-area resident quoted in coverage characterized the mood as one of "we've been through this before." Whether that fatigue directly moved supervisors is impossible to say, but the timing is hard to ignore: three consecutive dominoes fell for the Digital Gateway between April and early July, and days later, Dulles South died 8-0.

Supporters vs. Opponents

Speakers in favor of the amendment focused on traffic. Congestion on Sanders Lane and Sudley Road is a chronic complaint in the area, and pro-project speakers argued that data center tax revenue could fund the road-widening that the county has otherwise struggled to prioritize.

Opponents made three arguments that recur in nearly every Northern Virginia data center fight. First, water: the Occoquan Reservoir, which board comments described as supplying roughly 8 million residents, sits within the broader watershed. Second, emissions: a local advocacy group cited approximately 6,000 diesel backup generators across the region's existing data center footprint. Third, precedent: opponents pointed to the nearby Merrifield Garden Center site in Gainesville, which sold for $160 million in October 2025 to data center interests, as evidence of how quickly land values — and land use — can flip once a corridor opens.

What This Means for Landowners

For landowners holding agricultural or forestry-zoned parcels near the Dulles South corridor, rezoning speculation has cooled — at least in this specific pocket of the county. Demand pressure continues elsewhere in Loudoun and within the broader Prince William Data Center Opportunity Zone, but the days when any AF parcel near a fiber line could be marketed as "future data center land" are visibly narrowing.

The national context is worth carrying alongside the local vote. Bloomberg reporting cited in the trade press indicates that roughly half of data centers expected to open nationally in 2026 face delay or cancellation, and that roughly 25 projects were canceled in 2025. For sellers banking on a rezoning premium, that's a reminder that land speculation carries real timeline risk — not just political risk.

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The Numbers Behind the Backlash

Loudoun County anchors the region with its industry-cited 27+ million square feet of existing data center space — the largest concentration on Earth. Prince William, by contrast, hosts a smaller but fast-growing footprint of roughly 5–7 million square feet across 55+ facilities (per Piedmont Environmental Council mapping), with something like 30 million square feet in development and about a dozen applications currently pending.

Dulles South would have added another 43 million square feet on 1,940 acres — a single project larger than Loudoun's entire existing footprint. That scale is part of what made the unanimous denial possible: it wasn't a marginal expansion of an approved corridor, it was a proposal to redraw the map.

What Happens Next

Sanders Lane Assemblage I LLC could refile a revised, smaller proposal, or seek to have the Data Center Opportunity Zone Overlay District boundary redrawn to include the site in a future planning cycle. No such filing has been confirmed as of this writing.

More broadly, Prince William's Board framed Tuesday's vote as ending "piecemeal" data center approvals in favor of comprehensive planning. That framing is worth watching for landowners elsewhere in the county — and for landowners in adjacent counties where similar overlay-district fights are already brewing. See our Virginia landowner hub for county-level breakdowns.

Sources & Further Reading

• WTOP / InsideNoVa — Prince William Co. supervisors deny 2,000-acre Dulles South data center plans
• Northern Virginia Magazine — Prince William County votes against massive data center plan
• Prince William Times — County staff recommends supervisors deny massive Dulles Innovation South
• WJLA — Community opposition and hearing coverage
• Piedmont Environmental Council — Existing and proposed data centers (web map)

Where this article cites approximate or in-development figures (existing PWC data center square footage, in-development totals, land-purchase amounts for the Sanders Lane assemblage), those figures are drawn from cited third-party mapping or reporting rather than primary public filings. No public filing on the Sanders Lane land-acquisition price has been confirmed as of this writing.