AI

If you live in one of these 13 states, you might have a higher electric bill next year. Blame data centers.

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Wholesale electricity prices were up 22% from 2024 at PJM's annual capacity auction. Nick Wagner/Xinhua via Getty Images
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Your electric bills may have shot up in recent months, and you might be tempted to blame your roommate, who never turns the lights off, or your old window air conditioner unit.

It's not because of your roommate. It's not your window unit. It's actually Big Tech's fault.

Customers of the biggest regional power grid operator in the US could see their bills go up next year, largely due to skyrocketing demand for electricity coming from AI data centers.

Last week, PJM Interconnection closed its annual capacity auction with prices for wholesale electric capacity up 22% from 2024, another record-breaking year. As a result, monthly electric bills in PJM's territory, which covers 67 million customers, could increase up to 5% next year, the grid operator said.

PJM Interconnection territory spans 13 states from the Midwest to the East Coast— including all or parts of Delaware, Indiana, Illinois, Kentucky, Maryland, Michigan, New Jersey, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia, and Washington, D.C.

Every year, PJM's summer auction determines the cost of wholesale electricity for the following year. Though its territory doesn't cover the entire US, the energy industry looks at the PJM auction as a bellwether for electricity prices for the entire country.

PJM's territory includes Data Center Alley in Northern Virginia, home to the world's biggest concentration of data centers. It also includes areas of the country where data centers are rapidly expanding, such as Columbus, Ohio. The grid operator identified data center expansion as the primary driver of demand in its territory, which caused the jump in wholesale electricity prices.

After a decade of little to no growth, electricity demand in the US is expected to grow 2.5% annually through 2035, driven largely by data centers, according to the Bank of America Institute.

Utility bills are rising faster than the pace of inflation, per the US Energy Information Administration. That trend is expected to continue through the next year.

In Maryland, People's Counsel David Lapp has been urging state and federal regulators to intervene on behalf of residential utility customers and small businesses.

"We are witnessing a massive transfer of wealth from residential utility customers to large corporations—data centers and large utilities and their corporate parents, which profit from building additional energy infrastructure," said Lapp.

"Utility regulation is failing to protect residential customers, contributing to an energy affordability crisis," he continued.

Got a tip for this reporter? Contact Ellen Thomas at ethomas@insider.com.

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Ellen Thomas Business Insider
Ellen Thomas
Ellen Thomas was an investigative reporter on Business Insider's technology desk. Her recent work focused on the data center construction boom, energy, and the economy."The True Cost of Data Centers" series won the 2025 George Polk Award for Environmental Reporting and a Best in Business honorable mention from the Society for Advancing Business Editing and Writing (SABEW). Her investigation on Amazon data centers in Virginia was honored in 2024 by the National Association of Real Estate Editors. Occasionally, public records searches lead her to work off-beat. Recent coverage includes Floyd Mayweather's financial troubles and ICE's $1 billion in warehouse purchases under former DHS Secretary Kristi Noem. Before joining Business Insider, Ellen spent five years covering retail and the beauty industry for WWD. Selected stories:Data centersAmazon built a data center empire in Northern Virginia. It's using as much energy as a major city.Data centers have become an economic powerhouse. Now they're throwing their weight around in Virginia politics. SCOOP: An on-site natural gas plant will power Stargate's first data center in TexasIn the biggest market for data centers, Big Tech flashes cash and influenceOracle got big tax breaks in Texas. Now its going back for more.ICEHere's where ICE is spending big to turn warehouses into detention centersFloyd MayweatherIRS seeks $7.3 million from Floyd MayweatherFloyd Mayweather accused in lawsuits of owing millions for luxury watches, gold, and rent on palatial apartmentMoney to blow: Inside Floyd Mayweather's lavish, debt-filled post-boxing lifeFloyd Mayweather's fitness business is on the ropes. Gym owners are punching back.Floyd Mayweather Jr. bragged about a $400 million property deal. There's just one problem. SalesforceSCOOP: Slack CEO Stewart Butterfield to exit in JanuaryLeaked document lays out Salesforce plan to hit 30% marginsBenioff v. Benioff: Inside 18 Difficult Months at SalesforceRetailUnilever bought Dollar Shave Club for $1 billion. Now, insiders — and even its own CEO — are calling the acquisition a failure. Lady Gaga's Haus Beauty launch on Amazon bombed and triggered a 'mass exodus' of talent. Now its pinning its hopes on a rebrand and Sephora debut. How a German princess and political journalist and with a powerful royal social network became the CEO of the Kardashian beauty brands