Janesville to Vote in November on $450m Data-Centre Approval Threshold

Janesville to Vote in November on $450m Data-Centre Approval Threshold A second Wisconsin city moves to gate large data centres at the ballot box, the latest sign that US power-demand growth faces a local-consent bottleneck. Residents of Janesville, Wisconsin, are due to vote in November (2026-11) on a measure that would force the city to seek voter approval before clearing any new data centre valued above $450 million, oilprice.com reported on Saturday (2026-06-20).⁴ The vote speaks directly to US power markets. Much of America's forecast electricity-demand growth assumes hyperscale data centres can be sited and energised quickly. A ballot threshold tied to project value puts the largest builds, the ones with the heaviest loads, directly in front of voters.^4,3 Janesville is not the first Wisconsin city to act. Voters in Port Washington already approved a measure requiring local officials to obtain voter approval before offering tax incentives to data-centre developers, oilprice.com reported, and residents elsewhere have cited a Monterey Park, California campaign as a template for blocking projects.⁴ The pushback is reaching the state level. In New York, Governor Kathy Hochul must decide whether to sign a moratorium into law, one aimed mainly at the large technology firms building giant facilities. At least 28 large data centres with a combined energy demand of 9.7 GW are currently under consideration in the state, oilprice.com reported.⁴ New York state senator Kristen Gonzalez framed the fight in plain terms. "Big tech has been used to writing their own rules or not having rules that they have to play by, when it comes to new technology," she said. The 9.7 GW under review is the kind of load grid planners had been counting on to anchor new generation and transmission spending.⁴ The optimistic case for utilities and gas producers runs the other way. New data-centre demand, on that view, pays for upgrades to America's ageing power infrastructure, with curtailable loads even helping grids absorb the additions. The Economist reported in May (2026-05-17) that the US energy secretary had proposed a rule to speed grid connections for data centres willing to curtail.³ The same reporting carries a less comfortable scenario, one in which data-centre demand forces grids into strain rather than funding their expansion. The local votes are where that tension gets settled, project by project, rather than in a national demand model.³ Water is doing real political work here. Opponents in New York objected to sacrificing water, energy and green space, and the resource numbers behind that complaint are large. The United Nations University Institute for Water, Environment, and Health estimates data centres worldwide could consume as much as 9.3 trillion litres of water by 2030, enough to cover the drinking needs of roughly 1.3 billion people.^4,5 Demand itself is not in doubt. Within two years of ChatGPT's 2022 launch, around 40% of households in the US and UK reported using AI chatbots, according to the IEA. That load has to land somewhere on a grid.¹ US power fundamentals show why siting, not fuel, is the binding constraint. NYMEX Henry Hub front-month traded around $3.20 as of Friday's close (2026-06-19), leaving the cost of gas-fired generation a smaller obstacle than the permission to build it.¹ Other markets are taking the demand as given and routing around the land fight. China launched what it called the world's first wind-powered underwater data centre off Shanghai in May (2026-05), a 24 MW demonstration backed by around $238 million in investment, oilprice.com reported. Japan's data centres are projected to consume as much electricity as 15 million to 18 million households by 2034, Wood Mackenzie estimated.^5,2 The signal for US power and gas traders is narrower than the AI-demand headlines suggest. The load is coming. Whether it lands on schedule now turns on town-level votes that no demand forecast captures, starting with Janesville in November (2026-11) and Hochul's pending decision in New York.^4,3