The City of Milwaukee, Wisconsin, just celebrated the unveiling of its largest solar installation.
A 4.6-MW expansion array was recently completed at a former city landfill adjacent to the Mitchell International Airport, bringing the site’s total capacity to 6.85-MW. The landfill’s original 2.2-MW array was completed in 2021. We Energies owns the site, while SunVest engineered and built the new expansion under the utility’s state-approved Renewable Pathway Program.
“With the completion of this project, 80 city buildings are now powered by 100% renewable energy,” said Mayor Cavalier Johnson. Most of those buildings are fire stations, libraries and police stations.
Building on a capped landfill next to an airport required unique engineering demands, including coordination with the Air National Guard and advanced nonpenetrating ground-mount designs.
“This was a fun yet challenging site for the company,” said Sunvest Senior Project Manager Dave Mason, “We designed a ballasted racking system for the project — the panels are held in place by weight rather than being anchored into the ground, which let us build the array on top of the landfill without ever compromising the cap underneath it.”
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