Northern Virginia’s data center boom is forcing Dominion Energy and regional grid operators to plan tens of gigawatts of new electricity supply and hundreds of miles of ultra-high-voltage transmission corridors. The burden does not stop at the data center campuses: new lines will cut across rural counties, farms, historic landscapes, and residential backyards, leaving many communities to absorb the disruption without sharing in the tax benefits.
The resulting infrastructure expansion has triggered
widespread pushback over cost allocation, private property takings, and
degraded viewsheds. Public unease with data centers and AI is growing because
the promised local tax windfalls are concentrated in a few counties, while the
transmission corridors, condemnation fights, and ratepayer risks are spread
across a much larger region. The costs are becoming increasingly apparent to
all while the benefits seem to be concentrated among the few.
The core conflict is not whether Northern Virginia needs
more electricity. It is whether the communities enabling that growth—through
land, viewsheds, eminent-domain risk, and higher utility bills—should bear
costs created primarily by data center expansion elsewhere.
The Power Demand Driving the Grid Buildout
Dominion Energy's contracted
queue for large data center loads stands at over 45 to 50 Gigawatts (GW)
across Virginia. By comparison, Dominion’s entire legacy peak summer customer
demand historically sat near 25 GW.
Loudoun County’s data centers
currently consume roughly 6 GW and are projected to reach 10 to 12 GW at
full buildout. Neighboring Prince William County is planning for an additional 5
to 7.2 GW across projects.
There are proposals for other data center campuses in the county on hundreds of
acres that are still scheduled to come before the county board of supervisors.
While Prince William's total
approved capacity (~7.2 GW) does not technically exceed Loudoun’s ultimate
ceiling (~12.3 GW) following the deaths of Digital Gateway and Dulles Cloud
South, the velocity and localized concentration of Prince William's
approved pipeline create an infrastructure bottleneck that is in many ways more
severe than Loudoun’s.
Loudoun County's data centers
grew incrementally over 25 years alongside pre-existing high-voltage paths near
Dulles Airport. Prince William’s 5-7.2 GW pipeline is trying to scale up over a
compressed timeframe in areas completely lacking the heavy transmission
infrastructure required to feed it.
Like Loudoun, Prince William is moving to eliminate
"by-right" data center zoning overlays, but they cannot retroactively
cancel projects that already hold site-plan approvals. Massive industrial parks
in Innovation Park, Bristow, and along Route 234 are already locked into the
grid queue. Because both counties are trying to double their power requirements
simultaneously, the regional grid operator, PJM, is facing an absolute power
crunch.
The localized demand requires importing power from hundreds
of miles away, turning rural pass-through counties into utility transmission
highways. These pass-through counties get the ugly and a portion of the bill
without receiving any of the taxes. Powering this queue requires capacity
roughly equivalent to dozens of new nuclear reactors or large natural-gas
generation complexes, forcing the grid to import bulk power from western coal
and nuclear generation across the Appalachian and Piedmont regions.
Miles of Lines and
Tower
To import bulk electricity from external generators into the Northern Virginia bottleneck, regional grid operator PJM and Dominion Energy have proposed construction on hundreds of miles of new and rebuilt transmission lines.
Over 500 miles of
high-voltage transmission projects are planned, including:
- Valley Link (Joshua Falls to Yeat): A roughly 115-mile, $1 billion mega-project originating near Lynchburg (Campbell County) and running north to Culpeper County.
- Valley North & Regional Ties: Upwards of 250 to 400 miles of regional ties planned across northwest Virginia and West Virginia.
- Morrisville to Wishing Star: A 36.5-mile line linking southern Fauquier County, through Prince William, directly into Loudoun’s Ashburn/Arcola cluster.
- Intra-County Connectors: Shorter 5-to-15-mile high-voltage segments, such as the contentious Golden-to-Mars line in eastern Loudoun.
· Line Types and Voltage:
- 765 kV Lines: Operating at the highest commercial transmission voltage in North America, these massive bulk lines act as an "interstate electric superhighway".
- 500 kV & 230 kV Lines: Heavy-duty feeder corridors designed to distribute power from regional hubs straight into individual data center clusters.
· The physical profile of these high voltage lines have alienated all the passthrough counties and even the neighbors of the data centers who are benefiting from the tad windfall.
Physical Profile:
- Structures stand between 110 and 185 feet tall (the Statue of Liberty stands at about 150 feet- and this is hundreds of miles of these).
- Galvanized steel lattice towers or massive engineered monopoles.
- Cleared swaths cut between 100 to 200 feet wide, requiring clear-cutting of timber and complete removal of permanent structures like community amenities and woodlands.
Counties Traversed
and Whose Land Is Impacted
The transmission corridors cut
across several rural and suburban counties that house little or no data center
infrastructure. Nobody signed up for what this impact will be:
- Campbell,
Amherst, Nelson, Albemarle, Fluvanna, Buckingham, Lousia, Orange,
Culpeper, Spotsylvania, Fauquier, Rappahannock, Clark and Frederick will
all have these power high voltage power lines traversing through them.
- In
eastern Loudoun and western Prince William, Dominion is relying on eminent
domain and condemnation to expand corridors, resulting in 185-foot towers
installed within tens of feet of residential homes and taking up to
one-third of individual suburban yards (e.g., in Loudoun Valley Estates
where homeowners are concerned about their property values and quality of
life).
- In
Central Virginia and the Piedmont, routes cross generational family farms,
vineyards, conservation easements, and historic Civil War battlefields,
converting all this rural acreage into utility corridors.
Who Pays: Cost Allocation vs. Local Ratepayer Burden
Historically, transmission and grid expansion costs were
bundled into Dominion's general rate base, meaning all residential and
small-business customers across Virginia paid for them via monthly transmission
riders:
Regulators warned that without reforms, typical residential utility bills could increase by double digits over the decade to service hundreds of billions in capital grid upgrades. Counties outside Loudoun and Prince William do not receive the computer-equipment tax windfalls that fund Loudoun’s municipal budget and lower its local real estate taxes. Instead, these pass-through counties face only a loosing equation:
- Permanent visual degradation across their scenic viewsheds.
- Loss of taxable agricultural or residential land value within transmission paths.
- Electricity transmission riders added to their monthly electric bills to maintain the grid.
Following fierce advocacy from rural coalitions (like the Piedmont
Environmental Council and the Coalition to Protect Prince William County) there
has been a regulatory shift and a directive from state leadership. The Virginia
State Corporation Commission (SCC) issued an order mandating that Dominion
directly assign the full capital cost of transmission lines and substations built
exclusively to serve large data centers directly to those data center
operators, rather than spreading those specific costs onto ordinary residential
ratepayers.
This mandate does leave a loophole. The SCC’s
direct-assignment mandate strictly applies to lines exclusively built
for specific facilities. High-level, multi-billion-dollar regional bulk lines
(like the 765 kV Valley Link project) are often classified as "regional
grid reliability" projects by PJM, leaving a substantial portion of the
broader interstate transmission cost still subject to regional ratepayer
cost-sharing.
Dominion explicitly projects $7.59 billion in dedicated
electric transmission lines slated to come online through 2031. According
to filings with the SCC 68% of that
$7.59 billion—roughly $5.16 billion—is driven exclusively or concurrently by
data center growth. If the full queue of 70,000 Megawatts of data center
demand comes online, Dominion estimates it will need to build an additional 230
localized substations costing between $6 billion and $12 billion. Electricity
is about to get a lot more expensive in Virginia.
