Public Comment Form

Commenting open: February 28, 2025 12:00AM CT - March 31, 2025 11:59PM CT.

Great River Energy (Lakefield Junction Station) - Air Permit

We invite you to comment on the draft air quality permit for Great River Energy's Lakefield Junction Station.


Great River Energy owns and operates a simple-cycle combustion turbine generating plant in Lakefield Junction. The facility consists of six combustion turbines and three emergency engines.


The draft permit reissues the air quality operating permit and does not authorize any new construction or emissions. The draft air permit limits particulate matter, sulfur dioxide, nitrogen oxides, and carbon monoxide for the combustion turbines and emergency engines. It also requires recordkeeping of fuel type and usage limits. 


An air quality operating permit is required for certain existing facilities or the construction of new facilities that have the potential to emit a significant level of any regulated pollutant. The permit includes all requirements for operation and procedures, applicable rules, emission standards, monitoring, recordkeeping, and reporting. If additional conditions change and modifications are necessary, the MPCA may review and amend the permit.



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Thank you for providing feedback on this project. We value your comments and will use them to assess this project further.


In your comments, please state your interest in the permit application or the draft permit; the explicit actions you wish the MPCA to take, including specific references to the section of the draft permit you believe should be changed; and the reasons supporting your position, stated with sufficient specificity as to allow the MPCA to investigate the merits of the position.


If you want to submit a letter, you can upload the letter on this website or submit it via US Mail to the following address:


Minnesota Pollution Control Agency
c/o Amrill Okonkwo
520 Lafayette Road
Saint Paul, MN 55155

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