City Utilities

CityUtilities Connecting Our CommunityJune 8, 2020Mr. Michael Stansfield, PEOperating Permit Unit ChiefAir Pollution Control ProgramMissouri Department of Natural Resources1659 E. Elm Street, P.O. Box 176Jefferson City, MO 65102-0176,(If, D tansfield:Re:Operating Permit RenewalJohn Twitty Energy Center (Installation 077-0039)City Utilities submits the enclosed operating permit application to renew permit OP2015-055 .Also enclosed are the revised CAIR permit application, Acid Rain permit application, installation wide potential to emit calculations, process flow diagram, and requested edits to permit OP2015055. City Utilities desires to incorporate by reference the previous operating permit applicationsand corresponding current operating permits (OP2015-055 and OP2015 -055A). The applicationfiling fee is submitted separately.Thank you for considering this request to renew the permit. If you have additional questions,please do not hesitate to contact me at 417 .831.8916 or David Little PE, of my staff, at417.831.8532.Respectfully, i Daniel S. HedrickDirector - Environmental Affairsc.Willy HaffeckeGerad Fox, PE417.863 .sooo301 EAST CENTRAL STREETP.O. BOX 551cityutilities.netPHONESpringfield. MO 65802Springfield, MO 65801WEB

FOR OFFICE USE ONLYFILING FEE [§]1 ][jJC HECK NUMBERCHECK RECEIVEDMISSOURI DEPARTMENT OF NATURAL RESOURCESAIR POLLUTION CONTROL PROGRAMCHECK AMOUNTCHECK DATEAPPLICATION FOR AUTHORITY TO OPERATEPROJECT NUMBERNOTE: Please read all instructions to complete forms properly.FORM OP-A01 - Section AA01.00 - GENERAL APPLICATION INFORMATIONAll applications MUST be accompanied by a filling fee. The amount of the filing fee shall be as indicated in 10 CSR 106.065(5)(B)1 .D or 10 CSR 10-6.065(6)(B)1 .DI1. INSTALLATION NAMEJohn Twitty Energy CenterIPLANT NUMBERFIPSYEAR SUBMI TTE D20200039077COUNTY NAME OF INSTALLATI ONINSTALLAT ION STREE T ADDRESS5100 West Farm Road 164GreeneC IT Y OF INSTALLATION STREET ADDRESSSTATEMOSpringfieldZIP CODEINSTALLATI ON TE LEPHONE NUM BER WI TH AREA CODE417-831 -885265807INSTALLATION FAX NUM BER WI TH AR EA CODEINSTALLATION MAI LI NG ADDRESSN/AP.O. Box 551STATECITY OF MAILING ADDRESS FOR INSTALLATIONSpringfieldMOMO SENATORIAL DISTRICT NUMBERZIP CODE65801 -055130MO REPRESENTATI VE DISTRI CT NUMBERINSTALLATION CONTACT PERSON133Gerad Fox, PEEMAIL OF CONTACT PERSON FOR INSTALLATIONINSTALLATION CONTACT'S TITLEEngineer Ill - Power Generationgerad. fox@cityutilities.net2. PARENT COMPAN Y NAMEMAILING ADDRESS OF PARENT COMPANYCity Utilities of Springfield301 E. Central , P.O. Box 551PARENT COMPANY CITYISTATESpringfieldZIPCODE65801 -0551MOTELEPHONE NUMBER WITH AREA CODE OF PARENT COMPANY CONTACTPAR ENT COM PANY CONTACT PERSON41 7-831-8532David Little, PEEMAIL OF CONTACT PERSON FOR PARENT COMPANYTITLE OF CONTACT PERSON FOR PARENT COMPANYdavid.little@cityuti lities.netEnvironmental Analyst II3. TYPE OF APPLICATION[2]PART 70 (MAJOR)D Initial[Z]Renewal INTERMEDIATE STATE BASIC STATED InitialD InitialD Off-Permit ChangeD Administrative AmendmentD Minor ModificationD Significant ModificationD RenewalD AmendmentD RenewalD Amendment4. APPLICANT'S CERTIFICATION STATEMENT"I certify , based on information and belief formed after reasonable inquiry, the statements and information in this document are true,accurate and complete."r/:E0:\.REo J ?LE O; r :AL r IPANYI OR PRINT NAME U F RESPQNSIBLE OFFI CIAL-Director - Environmental AffairsMO 780-1519 (0 1/1 7),. 8 .201.0TELEPHONE NUMBER WITH AREA CODE OF OFFI CIAL41 7-831-8916Daniel S. HedrickO FFICIAL TITLE OF RESPONSIBLE OFFICIALDATEIRESPONSI BLE OFFI CIAL"S EMAI Ldaniel. hedrick@cityutilities.netPage 1 of 37

)250 23 33/,& 7,21 )25 87 25,7 72 23(5 7( 6(&7,21 33/,& 7,21 )25 87 25,7 72 23(5 7( ,167 // 7,21 1 0( ),36 John Twitty Energy Center (

City Utilities submits the enclosed operating permit application to renew permit OP2015-055 . Also enclosed are the revised CAIR permit application, Acid Rain permit application, installation wide potential to emit calculations, process flow diagram, and requested edits to permit OP2015