Skip to main content

SCAM ALERT: DCEO has been made aware of organizations receiving fraudulent “notice of award” letters claiming to be from the Illinois Department of Commerce and Economic Opportunity. These are not legitimate notices from DCEO. If your organization receives a notice, please report it to the Federal Trade Commission and/or the FBI’s Internet Crime Complaint Center.

Reciprocating Internal Combustion Engines (RICE)

Registration of Smaller Sources (ROSS) Program

Diesel Generator Permit Guide

Illinois Resources

Does My Business Need an Air Pollution Control Permit Guidebook

Quick Links:

Illinois Administrative Code

  • Part 201: Permits And General Provisions
    • Note: Section 201.146 Exemptions from State Permit Requirements
      • i) Any stationary internal combustion engine with a rated power output of less than 1118 kW (1500 bhp) or stationary turbine, except that a permit shall be required for the following:
        • 1) Any internal combustion engine with a rating at equal to or greater than 500 bhp output that is subject to the control requirements of 35 Ill. Adm. Code 217.388(a) or (b); or
        • 2) Any stationary gas turbine engine with a rated heat input at peak load of 10.7 gigajoules/hr (10 MMBtu/hr) or more that is constructed, reconstructed or modified after October 3, 1977 and that is subject to requirements of 40 CFR 60, subpart GG;