This article was produced for ProPublica’s Local Reporting Network in partnership with The Seattle Times . Sign up for Dispatches to get stories like this one as soon as they are published.
When lawmakers in Washington set out to expand a lucrative tax break for the state’s data center industry in 2022, they included what some considered an essential provision: a study of the energy-hungry industry’s impact on the state’s electrical grid.
Gov. Jay Inslee vetoed that provision but let the tax break expansion go forward. As The Seattle Times and ProPublica recently reported, the industry has continued to grow and now threatens Washington’s effort to eliminate carbon emissions from electricity generation.
Washington’s experience with addressing the power demand of data centers parallels the struggles playing out in other states around the country where the industry has rapidly grown and tax breaks are a factor.
Virginia, home to the nation’s largest data center market, once debated running data centers on carbon-emitting diesel generators during power shortages to keep the lights on in the area. (That plan faced significant public pushback from environmental groups, and an area utility is exploring other options.)
Dominion Energy, the utility that serves most of Virginia’s data centers, has said that it intends to meet state requirements to decarbonize the grid by 2045, but that the task would be more challenging with rising demands driven largely by data centers, Inside Climate News reported. The utility also has indicated that new natural gas plants will be needed.
Some Virginia lawmakers and the state’s Republican governor have proposed reversing or dramatically altering the clean energy goals.
A northern Virginia lawmaker instead proposed attaching strings to the state’s data center tax break. This year, he introduced legislation saying data centers would only qualify if they maximized energy efficiency and found renewable resources. The bill died in Virginia’s General Assembly. But the state authorized a study of the industry and how tax breaks impact the grid.
“If we’re going to have data centers, which we all know to be huge consumers of electricity, let’s require them to be as efficient as possible,” said state Delegate Richard “Rip” Sullivan Jr., the Democrat who sponsored the original bill. “Let’s require them to use as little energy as possible to do their job.”
Inslee’s 2022 veto of a study similar to Virginia’s cited the fact that Northwest power planners already include data centers in their estimates of regional demand. But supporters of the legislation said their goal was to obtain more precise answers about Washington-specific electricity needs.
Georgia lawmakers this year passed a bill to halt the state’s data center tax break until data center power use could be analyzed. In the meantime, according to media reports, the state’s largest utility said it would use fossil fuels to make up an energy shortfall caused in part by data centers. Georgia Gov. Brian Kemp then vetoed the tax break pause in May.
Lawmakers in Connecticut and South Carolina have also debated policies to tackle data center power usage in the past year.
“Maybe we want to entice more of them to come. I just want to make sure that we understand the pros and the cons of that before we do it,” South Carolina’s Senate Majority Leader Shane Massey said in May, according to the South Carolina Daily Gazette .
Countries such as Ireland, Singapore and the Netherlands have at times forced data centers to halt construction to limit strains on the power grid, according to a report by the nonprofit Tony Blair Institute for Global Change . The report’s recommendations for addressing data center power usage include encouraging the private sector to invest directly in renewables.
Sajjad Moazeni, a University of Washington professor who studies artificial intelligence and data center power consumption, said states should consider electricity impacts when formulating data center legislation. Moazeni’s recent research found that in just one day, ChatGPT, a popular artificial intelligence tool, used roughly as much power as 33,000 U.S. households use in a year.
“A policy can help both push companies to make these data centers more efficient and preserve a cleaner, better environment for us,” Moazeni said. “Policymakers need to consider a larger set of metrics on power usage and efficiency.”
Eli Sanders contributed research while a student with the Technology, Law and Public Policy Clinic at the University of Washington School of Law.
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