Despite economic turbulence in the solar energy market, Flint Hills Resources said Tuesday it will spend $75 million to proceed with a large solar array at its oil refinery in Rosemount.
The facility — with 50 % more power generation than originally planned — will be the largest of its kind for a U.S. oil refinery.
“There is really nothing like this,” said Jake Reint, a Flint Hills spokesman.
It will also be one of the largest U.S. solar plants devoted to — and owned by — a single customer, as well as one of the larger solar facilities in Minnesota. Flint Hill’s 45-megawatt plant will host over 100,000 solar panels. It will produce enough energy to power up to 8,400 homes.
The state’s biggest solar farm currently is Xcel Energy’s 100-megawatt array in Chisago County, though even larger projects are in the pipeline.
Flint Hills in early 2021 announced it was considering the solar plant as a way to cut its electricity bill with carbon-free power. Three months ago, Rosemount’s city council approved a necessary permit for the 314-acre project.
Flint Hills’ Pine Bend plant is one of the biggest oil refineries in the Midwest, and Minnesota’s largest motor fuel supplier. It’s also one of the Upper Midwest’s largest producers of aviation fuel and asphalt.
Oil refining consumes huge amounts of electricity, and Flint Hills — an arm of Wichita, Kan.-based Koch Industries — is one of Xcel’s biggest Minnesota electricity customers. But the refinery has been working to cut its power costs in recent years.
In 2019, Flint Hills invested about $100 million in a 50-megawatt, on-site power plant. That generator, part of a combined heat power system, is fueled by natural gas and waste heat and provides about 40% of the plant’s electricity.
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Read More:Flint Hills moving forward with $75M solar project at its Rosemount refinery
