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REVISIONS 0 w 15 PRELIM LAYOUT 08/29/26 0 0 16 PRELIM LAYOUT 09/19/26 1 SYSTEM SPECIFICATIONS I c� SYSTEM SIZE DC 4,824.06 kW SYSTEM SIZE AC 4,000.00 kW POI o (E) POLE u DC/AC RATIO 1 .21 POI COORDINATES TO PG&E 21 KV MODULE MANUFACTURER FIRST SOLAR 38.112687°, -121.189649° FEEDER NAME: LOCKEFORD 2101 MODULE MODEL ES-7530A-TRI MODULE RATING 530 W -67' EEG END : TOTAL MODULE QTY 9,102 POLE 0 Wto MODULES PER STRING 6 TRANSFORMER mi W TOTAL No. OF STRINGS 1517 UTILITY 52R UTILITY m INVERTER MODEL CPS SCH250K-T-US-600 RECLOSER COMM. co INVERTER RATING 250 kW OH MV SPAN 30, 3W POTENTIAL TRANSFORMER W c INVERTER QTY 16 _ PCC UTILITY W a STEP-UP TRANSFORMER �(2)2.2MVA, 21 KV/600V POLE 1 CUSTOMER CURRENT TRANSFORMER O w CONNECTIONS AT TOP OF POLE 1 o w w 0 W � � agq UTILITY INFORMATION UTILITY p Q- U to O METER UTILITY COMM. Lu Lu U} GROUND, GND Lu O T- a UTILITY PG&E MO � INTERCONNECT VOLTAGE 21 kV A a SURGE ARRESTOR a vw PLANT SCADA } ANN ui 0 Z M Z M1 z C7 �mN Z lww MCOV Il ISO COMM. Z ,•:` Q M2 u� g 0 POLE FOR OVERHEAD LINE POLE Cl — a I* cA a Q 0 52R RECLOSER MCOV I Q U o m 00 o U QFUSE [-- 6' CUSTOMER U =) Q cn v 0 RECLOSER 52R / 27 59 59G 810 81U XXXXA, XP w N M-7679 R-PAC w w 6' (NOTE 10) o- BREAKER o u J ID � w 'o 50 51 51G — z ~ C INVERTER O Ln POLE C2 — N N UTILITY ACCESSIBLE WITH LOCK DISCONNECT MCOV PROVISION AND VISIBLE BLADE INVERTERS AND RISER INERTIA LINEBOSS OAE O DISCONNECTING SWITCH z Li Li OVERHEAD LINE V) o w z UG MV CABLE 30, 4W D z 0 o o cn cn cn UNDERGROUND LINE w z w caw®Q (N) PV SWITCHGEAR #1 COMMUNICATION LINE PROJECT 2500A, 600V, 3�, 4W, NEMA3R, INV-01 MAIN BREAKER W/ O ANSI DEVICE NUMBER 250KW 600V METERING SECTION (TYP. OF 8) -- -- -- — XFMR 1 . . AC �I 60OV/21kV TRANSFORMER BREAKER 350A, 3P 2200KVA PV MODULE w/ FUSE/DISCONNECT j FROM OTHER Z=7%, X/R=11.5 O SOURCE CIRCUITS �/� 350A, 3P V — ANTI-PID: ON� /� Al I Y CURRENT WEAK -- -- - -- -- 2500A, 3P PLANT (�" LIMITING LINE O O SCADA ■' co FROM ALL OTHER 0 350A, 3P LOAD Z M INVERTERS • �� BREAK W a) �0 GFP Lu O co I i II NOTES : � Z � 00 40A, 3P TO 120/240/480V AUX PANELS FOR (� SCADA, TELECOM, 1. AC MV CIRCUITS SHALL BE INSTALLED AND INTERCONNECTED WITH TRACKERS — UTILITY, PER UTILITY SPECIFICATIONS. uj Q M cn J 2. ALL ELECTRICAL WORK SHALL BE IN ACCORDANCE WITH THE LATEST AHJ N APPROVED EDITION OF NATIONAL ELECTRIC CODE. (N) PV SWITCHGEAR #2 ., Lo 2500A, 600V, 3�, 4W, NEMA3R, ■ ■ ■ ■ INV-09 3. ALL DC AND AC EQUIPMENT, WHERE APPLICABLE, SHALL BE LISTED AND W 0 250KW 600V MAIN BREAKER W/ LABELED PER RECOGNIZED ELECTRICAL TESTING LABORATORY AND J (TYP. OF 8) METERING SECTION INSTALLED PER THE LISTING REQUIREMENTS, THE MANUFACTURER'S O Q Q O __ __ _ _ _ _ _'l IIlk XFMR 2 INSTRUCTIONS & IN ACCORDANCE WITH NEC. Z W J U J J BREAKER 350A 3P �I 60OV/21kV TRANSFORMER 4. RECLOSER CONTROL SETTINGS TO BE COORDINATED WITH UTILITY AND. . . N w/ FUSE/DISCONNECT CONTRACTOR. SHEET TITLE FROM OTHER I 7� q� 7- I � I Z=7%, X/R=11.5 5. RELAY TO BE PROVIDED WITH 8-HOUR BATTERY BACK-UP. SOURCE CIRCUITS I 350A, 3P I 6. UTILITY RIG, METER, WEATHER STATION AND ASSOCIATED -- -- -- - -- /"-� 2500A, 3P I Y 0 CURRENT WEAK COMMUNICATIONS EQUIPMENT TO BE PROVIDED WITH BATTERY BACK-UP PLANT 0 O-Alo LIMITING LINE PER UTILITY REQUIREMENTS. � � I I I I SCADA FROM ALL OTHER 0 7. ALL BREAKERS AND DISCONNECT SWITCHES ARE CLOSED UNDER NORMAL INVERTERS 350�� LOAD SINGLE LINE BREAK — —� OPERATING CONDITIONS UNLESS OTHERWISE NOTED. �0 GFP 8. THIS DRAWING REPRESENTS A CONCEPTUAL INTERCONNECTION SCHEME. DIAGRAM TO 120/240/480V AUX 40A, 3P THE INTENT IS TO COMMUNICATE PROJECT SPECIFIC EQUIPMENT, SIZE �� AND NEGOTIATE THE INTERCONNECTION DETAILS WITH THE UTILITY. THIS PANELS FOR DRAWING HAS NOT BEEN ISSUED FOR CONSTRUCTION PURPOSES. THE SCADA, TELECOM, TRACKERS DEVELOPER OR CONTRACTOR IS RESPONSIBLE FOR ENSURING A SYSTEM � -- -- -� -- -- -� DESIGN IS COMPLETE AND APPROVED BY AN APPROPRIATELY LICENSED ENGINEER PRIOR TO PROCUREMENT AND CONSTRUCTION. 9. INVERTERS ARE IEEE 1547 COMPLIANT AND UL 1741 SA LISTED SCALE: AS SHOWN 10. RECOMMENDED RECLOSER: G&W VIPER DRAWN:LR RECOMMENDED CONTROLLER: BECKWITH M-7679.R-PAC DATE: 09/19/26 � SINGLE LINE DIAGRAM CONSTRUCTION , E- 101 E-101 NOTFOR FOR IA DISCUSSION ONLY . SHEET 2 OF 2 THIS DRAWING AND ITS CONTENTS ARE THE PROPERTY OF SEQUOIA ENGINEERING AND DESIGN ASSOCIATES AND MAY NOT BE USED OR REPRODUCED WITHOUT WRITTEN PERMISSION.