Alliant Energy Plans to Build $730 Million Wind Farm
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Alliant Energy plans to build $730 million wind farm. 277-megawatt Columbia County project with 40 wind turbines will power 100,000 homes. By Joe Schulz, Wisconsin Public Radio - Jan 18th, 2026 09:58 am Alliant Energy hopes to build a new roughly $730 million wind farm in Columbia County that will provide enough electricity to power about 100,000 homes annually. The utility, through a limited liability company, filed an application with the Public Service Commission to build the project in late December. Alliant also plans to seek commission approval to acquire the project from the LLC and construct the facility. The Columbia Wind project would be a 277-megawatt wind farm with more than 40 wind turbines. More than 300 landowners have signed lease agreements for the project. According to the utility, the project has been in development for nearly five years. Justin Foss, the Columbia Wind project manager and manager of resource development for Alliant Energy, said the project will use "the next generation of wind turbines," which are taller and larger. If a project of this scale were built a decade ago, he said it would require two or three times as many turbines. "A project like this, because it has these larger wind turbines that are able to grab more wind, is much more spread out," he said. "When you look around the countryside, instead of seeing just a dense...
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