US data center firm CyrusOne is looking to develop a new campus in southern Illinois.

As reported by the Illinois Times, CyrusOne has filed a request for a conditional permitted use in an agricultural zone at the northwest corner of Thayer and Clark roads in Talkington Township, 14 miles southwest of Springfield.

The company aims to develop a $500 million campus on 280 acres in Sangamon County, some 80 miles north of St. Louis, Missouri. The site is close to Swift Current Energy’s $800 million Double Black Diamond solar farm, which launched earlier this year.

The 600MW development could total six 250,000 sq ft (23,226 sqm) buildings. Construction could start next year, with the first phase launching in 2027. The site will reportedly feature closed-loop air cooling systems.

The application will be considered by the Sangamon County zoning board of appeals on November 20 and by the county board on December 9.

The proposed Sangamon County project “would be one of our larger campus developments,” CyrusOne told the Illinois Times. “The Sangamon County site offers the power infrastructure, skilled workforce, and strategic locations we need, while our investment provides the tax revenue and economic benefits the community needs. It’s a partnership that works for both sides.”

Ryan McCrady, president and chief executive officer of the Springfield Sangamon Growth Alliance, added: “This is very good news for our area, especially when you think about what it will mean for the assessed value across the entire county.”

CyrusOne is owned by private equity firm KKR and operates more than 50 data centers across the US and Europe. The company has a number of data centers in Illinois around Chicago, in the Aurora (CHI1-3) and Lombard (CHI5) areas of the city.

The company is developing another 18MW facility in the Wood Dale area of Chicago. CyrusOne has also filed for a nine-building data center campus in Yorkville to be developed over the next 10 to 20 years.