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THE SUBMISSION OF THIS DRAWING ACKNOWLEDGES THIS IS THE FINALDESIGN AND ANY CHANGE TO THIS DIAGRAM COULD RESULT IN AMATERIAL MODIFICATION BY THE STATE INTERCONNECTION STANDARDS.ANY CHANGES TO THIS DIAGRAM MUST BE SUBMITTED TO DUKE ENERGYPROGRESS.DC SINGLE LINE DIAGRAM - INVERTER #11NOT TO SCALENOTES:1.BOND ALL GROUNDS TOGETHER.2.ALL HALFTONE ITEMS ARE EXISTING TO REMAIN.3.PV DISCONNECT SHALL BE LOAD BREAK RATED, LOCKABLE IN THE OPEN POSITION,WITHIN SIGHT OF THE UTILITY METER, AND READILY ACCESSIBLE TO UTILITYPERSONNEL.AC SINGLE LINE DIAGRAM3NOT TO SCALE175A-3PEXISTING PRIMARY SERVICE BY DUKE ENERGY PROGRESS~EXISTING SERVICE FEEDER60A-3PDCACINVERTER #1110 KWDCACINVERTER #240 KWREFER TO DC SINGLE LINE DIAGRAMGPANEL 'PV'250A, 480/277VV, 3ΙΈ, 3W, NEMA 3RPV MODULE:SEG-595-BTA-BGMODULE QUANTITY:352PV MODULE WATTAGE:595 WINVERTER:SOLAREDGE SE110KSOLAREDGE SE40KINVERTER QUANTITY:(1) 110KW(1) 40KWOPTIMIZER:SOLAREDGE C651UOPTIMIZER QUANTITY:352DC SYSTEM SIZE:209.44 KWAC SYSTEM SIZE:150 KWPV SYSTEM SUMMARYEXISTINGPAD MOUNTED UTILITYTRANSFORMER480Y/277V-3PH300KVAEXISTING SWITCHBOARD 'MSB'600A MLOEXISTING UTILITY METERACCOUNT #: 910036595858METER #: 327564623M400A/250AFAC DISCONNECTNEMA 3RS.E. RATEDGCOMMON GRND BUSFUSES FOR INTERNALPROTECTION ONLYGSTRING = 43 PV MODULES(1) MODULE PER OPTIMIZERGDC SINGLE LINE DIAGRAM - INVERTER #22NOT TO SCALEDC COMBINER ORJ-BOX, TYPICALINPUTOUTPUTTO 175A-3P BREAKER IN ACCOMBINER. REFER TO ACSINGLE LINE DIAGRAM.110KW INVERTERSTRING = 42 PV MODULES(1) MODULE PER OPTIMIZERCOMMON GRND BUSFUSES FOR INTERNALPROTECTION ONLYGSTRING = 47 PV MODULES(1) MODULE PER OPTIMIZERGSTRING = 48 PV MODULES(1) MODULE PER OPTIMIZERINPUTOUTPUTTO 60A-3P BREAKER IN ACCOMBINER. REFER TO ACSINGLE LINE DIAGRAM.40KW INVERTEREXISTINGSERVICEGROUNDPOINT OF INTERCONNECTIONSECONDARY TAP OF UTILITYTRANSFORMERDUKE FIGURE 72B, NOTE #1DC COMBINER ORJ-BOX, TYPICALNSTRING = 43 PV MODULES(1) MODULE PER OPTIMIZERSTRING = 43 PV MODULES(1) MODULE PER OPTIMIZERSTRING = 43 PV MODULES(1) MODULE PER OPTIMIZERSTRING = 43 PV MODULES(1) MODULE PER OPTIMIZERNELOADTO EXISTING GENERATOR~GNEXISTING SERVICE DISCONNECTEXISTING ATSEXISTING SWITCHBOARD 'DPH'600A MCBGWILDE #: 25-247THIS DRAWING IS AN INSTRUMENT OF SERVICE. THE DRAWING AND THE INFORMATION THEREON IS THE PROPERTY OF WILDE ENGINEERING, PLLC ANY REPRODUCTION, ALTERATION, OR USE FOR OTHER THAN THE INTENDED PROJECT, WITHOUT THE WRITTEN CONSENT OF WILDE ENGINEERING, PLLC IS EXPRESSLY FORBIDDEN. COPYRIGHT © WILDE ENGINEERING PLLC 2026, ALL RIGHTS RESERVED.02/16/2026REVISIONSNo.DescriptionDateSEALBID DOCUMENTSWilde EngineeringCopyright 2026-BID DOCUMENTS02/16/2026SOUTHERN HUMAN SERVICES CENTER <br />SOLAR PV PROJECT <br />2501 HOMESTEAD ROAD <br />CHAPEL HILL, NC 27516 BID DOCUMENTS ONLYNOT FOR CONSTRUCTIONSYSTEM OWNER: ORANGE COUNTY NORTH CAROLINASINGLE LINE DIAGRAME-201Docusign Envelope ID: 44C13555-A1DE-83DE-8008-D9A38861DC35