Mystery tech firm’s $1.6 billion data center proposal ignites fight in Menomonie, Wisconsin

Menomonie, Wisconsin, is confronting a high-stakes development fight after a company identified as Balloonist LLC proposed building a $1.6 billion data center on 320 acres of farmland, triggering an annexation and rezoning effort that residents say bypassed public scrutiny.

City officials say the proposal could bring substantial economic benefits, while opponents worry about environmental impacts, strain on local resources and the lack of transparency surrounding the developer.

The City of Menomonie adopted an ordinance in late July to annex land that had been part of the neighboring town of Red Cedar, saying the move was intended to facilitate the potential development of a data center by Balloonist LLC. Menomonie Mayor Randy Knaack and the Common Council approved the measure after a public hearing held roughly two weeks after the July 24 statement notifying residents of the petition. Mayor Knaack said in an August 5 statement that annexation, rezoning and development decisions were not taken lightly.

Under the plan outlined by city officials, the facility would house computer processors, servers and other information-technology infrastructure. The city estimated the site would use roughly 75,000 gallons of water each day. Officials have also said the project could improve Menomonie’s credit rating, lower interest rates and taxes, and create about 1,000 construction jobs; after completion, the facility is expected to support between 50 and 75 full-time positions the city described as high-paying.

Residents and local activists have pushed back. A Facebook group called Stop the Menomonie Data Center and a Change.org petition with more than 1,000 signatures have sought to halt the proposal, demanding full public disclosure, an independent environmental review and assurances that the project would benefit the community rather than outside investors. "Who is this company that wants to come in and use up all of our resources and up electricity costs, and use up our water, and pollute our air, and harm our animals?" resident Dylan Goss told local station WEAU.

Opponents point to the process that enabled the project to advance: because the grassy plot was in Red Cedar and zoned for agriculture, the proposal could not have moved forward without annexation. Some residents described the city’s early outreach as minimal and late, noting that a city FAQ on the matter appeared only at the end of August.

City Councilwoman Sydney Brennan, who voted in favor of the rezoning, said elected officials should give the plans a chance and that the anonymity surrounding the developer was intended to protect both the company and the city during early negotiations. Brennan said the city administrator signed a nondisclosure agreement with the developer; the council has said that the adopted ordinance does not guarantee the project will proceed and that a formal proposal would still need to be submitted and approved.

Municipal officials have not publicly disclosed the identity of the firm or firms behind Balloonist LLC. That lack of disclosure has been a central concern for opponents demanding accountability and independent study of environmental and infrastructure impacts, including electricity demand, water consumption and potential effects on local air quality and wildlife.

Local agricultural and land-use advocates also raised questions about siting a large-scale data center in a predominantly rural area rather than repurposing industrial or blighted urban land. Some critics argued that the project’s scale — they described it as among the largest development proposals in Menomonie’s history — is inconsistent with the city’s small-town character.

City officials maintain that annexation and rezoning were legal steps to allow consideration of the development. They emphasized that no binding agreement has been finalized and that any formal proposal would be subject to review, permitting and public meetings. The council has said public opinions expressed during hearings and outreach efforts would be considered as it explored possible development options for the property.

The debate in Menomonie reflects a broader nationwide tension as smaller municipalities weigh potential economic gains from large data centers against concerns about resource use, local environmental impacts and community character. For now, Menomonie’s ordinance clears a path for negotiations and potential proposals, but it does not authorize construction. Any final decision will depend on future filings, council votes and the outcome of required regulatory reviews.