What we know about energy use at U.S. data centers amid the AI boom

The rapid expansion of artificial intelligence is driving a massive surge in U.S. data center development, with electricity consumption projected to reach 426 terawatt-hours by 2030. This growth is increasingly concentrated in key hubs like Northern Virginia, Texas, and California, where facilities now account for a significant portion of local power demand. As hyperscale operators deploy advanced chips to handle AI workloads, the cloud computing sector faces mounting pressure to balance infrastructure scaling with grid stability and environmental impact.

The United States currently hosts more than 4,000 data centers, including operational sites and those under development, with a third of these facilities concentrated in Virginia, Texas, and California. Northern Virginia remains the nation's primary market with 643 sites, followed by Texas with 395 and California with 319. According to the International Energy Agency (IEA), half of the data centers currently under construction are being built within existing large clusters such as Dallas, Chicago, and Phoenix. State governments are incentivizing this growth through tax breaks and expedited permitting to secure construction jobs and local revenue, while the federal government has designated data center development as a national priority for economic growth and security in the global AI race.

In 2024, U.S. data centers consumed an estimated 183 terawatt-hours (TWh) of electricity, representing approximately 4% of the nation's total demand—a figure comparable to the annual electricity needs of Pakistan. The IEA projects this consumption will grow by 133% to reach 426 TWh by 2030. While it is difficult to isolate AI-specific demand, a typical AI-focused hyperscale facility currently consumes as much electricity as 100,000 households. Newer, larger facilities under development are expected to use up to 20 times that amount, driven by advanced computer chips that require two to four times more wattage than traditional hardware to perform trillions of mathematical calculations per second.

The geographic concentration of these facilities is placing significant strain on regional power grids across several states. In 2023, data centers accounted for 26% of the total electricity supply in Virginia and more than 10% in states like North Dakota, Nebraska, Iowa, and Oregon. On average, 60% of a facility's energy is used to power servers, while cooling systems account for between 7% at efficient hyperscale sites and over 30% at older enterprise facilities. As the industry shifts toward AI-optimized infrastructure, the demand for high-quality network access and capable power utilities remains the primary driver for site selection and continued investment in the cloud computing sector.