AI data centers bring money and conflict to Loudoun County

In short: Loudoun County, Virginia is benefiting financially from rapid data center growth tied to A.I, but the same growth is driving local backlash and new debates over limits.

What's going on

Loudoun County in Northern Virginia is often called the “data center capital of the world.” Data centers are large buildings filled with computers that store and process data (think of them like giant warehouses for the internet). The county has around 250 data centers, with more than 100 more proposed.

This build-out supports major tech companies, including Amazon, Microsoft, and Google. These sites help run cloud services (renting computing power over the internet) and the heavy computing needed for modern A.I tools. Local officials say construction has been constant, with data centers under construction every day for about 16 years.

The boom has also become a major source of local government money. Loudoun charges taxes on the computer equipment inside these buildings. Reporting and county documents estimate data center taxes could bring in about $1 billion to $1.3 billion per year, which can be roughly one-third to nearly half of the county’s total tax revenue, depending on the year.

But many residents say the costs are growing. Complaints include noisy cooling systems and backup generators, plus large, windowless buildings changing the look and feel of neighborhoods. Environmental concerns are also rising, including high electricity demand and water use for cooling. One study estimated Northern Virginia data centers used nearly 2 billion gallons of water in 2023, and Loudoun accounted for about 900 million gallons.

What to watch

Virginia recently added a small tax based on how much electricity data centers use, and Loudoun officials have discussed whether they can pause new projects, even as lawyers question if state law allows a true moratorium. The next fights will likely focus on how fast the county keeps building, and who pays for the power, water, and other infrastructure these facilities require.

Source: NYTimes