This file summarizes the changes in transmission outages that may have affected posted Monthly ATC values by more than 10%. < - Indicates line found in outage data for 05/09/2025 but not data for 05/10/2025 > - Indicates line found in outage data for 05/10/2025 but not data for 05/09/2025 Abbreviations for "STATUS" column are: O- Outage; F- Forced Outage; I- In-service usually hot line work "(FR) TLINE","(TO) TLINE","ID","START DATE","TIME","STOP DATE","TIME","STATUS","COMMON NAME","MISCINFO","MRID" < - BURNHAM ;1R345.00,DAVIS CRK; R345.00,1,09/15/2025,0900,10/31/2025,1600,O,CE-86 DAVIS-177 BURN 17704,Continuous, < - CALUMET ; B138.00,STATELINE; B138.00,1,04/01/2026,0700,04/02/2026,1600,O,CE-150 CALU-7 STATE 0706,Continuous, < - 05HOWARD2 138.00,05CHATFLD_BP138.00,1,05/09/2025,0800,06/04/2025,1600,O,AEP-CHATFIEL-HOWARD2,Continuous, < - 05CHATFL 138.00,05HOWARD1 138.00,1,05/09/2025,0800,06/04/2025,1600,O,AEP-CHATFIEL-HOWARD2,Continuous, < - 02NB Q18 138.00,02NB N4 69.000,8,04/03/2026,1600,04/17/2026,1600,O,ATSI-NEWBURGH TR8 XFORMER,Continuous, < - 02NB Q18 138.00,02NB N4 69.000,8,03/09/2026,0800,04/03/2026,1600,O,ATSI-NEWBURGH TR8 XFORMER,Continuous, < - 02NB Q18 138.00,02IV-NB+18 138.00,ZL,04/03/2026,1600,04/17/2026,1600,O,ATSI-NEWBURGH Q8 CB,Continuous, < - 02NB Q18 138.00,02IV-NB+18 138.00,ZL,03/09/2026,0800,04/03/2026,1600,O,ATSI-NEWBURGH Q8 CB,Continuous, < - 02IVYQ14 138.00,02IV-NB+18 138.00,1,03/09/2026,0800,04/03/2026,1600,O,ATSI-IVY-NEWBURGH Q18,Continuous, < - 02IKQ-18 138.00,02JNPRQ1 138.00,1,03/09/2026,0800,04/03/2026,1600,O,ATSI-JUNIPER-02INCA Q18,Continuous, < - 02IKQ-18 138.00,02IV-NB+18 138.00,1,03/09/2026,0800,04/03/2026,1600,O,ATSI-02INCA-NEWBURGH Q18,Continuous, < - 02BABB 138.00,02BABB 23.000,1,06/02/2025,0800,06/13/2025,1600,O,ATSI-BABB TR1 XFORMER,Continuous, < - 02AETNA 138.00,02BABB 138.00,1,06/02/2025,0800,06/13/2025,1600,O,ATSI-AETNA-BABB AET-BABB,Continuous, < - WINDYED1-RED115.00,GUNPOWD3 115.00,1,09/06/2025,0000,09/06/2025,1300,O,PJMCZ-WINDYEDG 110513-B OCB,Continuous, < - SAKR 69.000,SAKR 230.00,3,06/30/2025,0900,07/04/2025,1430,O,PJMCZ-SAKRON 3 XFORMER,Continuous, < - CRSVL3-4 13.800,CRSCNTV3 138.00,4,09/15/2025,0700,09/19/2025,1600,O,PJMCZ-CRESCENT CRS 4TR XFORMER,Continuous, < - CRSCNTV3 138.00,WANREAC_03 138.00,2,09/15/2025,0700,09/19/2025,1600,O,PJMCZ-CRESCENT-WANEETA 130-03,Continuous, < - CHHI 2 69.000,NAZA 69.000,2,08/05/2025,0800,08/18/2025,1600,O,PJMCZ-CHERRYHI-NAZARETH CHE-NAZ2,Continuous, < - CEDAR138 138.00,CLAYTN_D 138.00,1,10/08/2025,1600,10/22/2025,1500,O,PJMCZ-CEDARCRE-CLAYTON 13832,Continuous, < - CEDAR138 138.00,CLAYTN_D 138.00,1,09/08/2025,0700,09/12/2025,1500,O,PJMCZ-CEDARCRE-CLAYTON 13832,Continuous, < - CALUMET ; B138.00,STATELINE; B138.00,1,05/11/2026,0600,05/15/2026,1700,O,CE-150 CALU-7 STATE 0706,Continuous, < - BLOOM ; B345.00,DAVIS CRK; B345.00,1,09/15/2025,0900,10/31/2025,1600,HT,CE-86 DAVIS-179 BLOO 17907,Continuous, > - ARGYLE ; R138.00,SAND PARK;RT138.00,1,07/14/2025,1000,07/14/2025,1300,O,CE-15625 LINE 38L15625 2,Continuous, > - CEDAR138 138.00,CLAYTN_D 138.00,1,11/03/2025,0700,11/07/2025,1500,O,PJMCZ-CEDARCRE-CLAYTON 13832,Continuous, > - CEDAR138 138.00,CLAYTN_D 138.00,1,12/03/2025,1600,12/17/2025,1500,O,PJMCZ-CEDARCRE-CLAYTON 13832,Continuous, > - CHERRY VA; B138.00,CHERRY VA; R138.00,1,07/07/2025,0800,07/08/2025,1700,I,CE-156 CHERR 38BT2-3 CB,Continuous, > - CHERRY VA;2R138.00,CHERRY VA;1R138.00,Z1,07/07/2025,0800,07/08/2025,1700,O,CE-156 CHERR 38BT1-2 CB,Continuous, > - CHHI 2 69.000,NAZA 69.000,2,08/05/2025,0800,08/15/2025,1600,O,PJMCZ-CHERRYHI-NAZARETH CHE-NAZ2,Continuous, > - CNASTONE 500.00,CNASTCAP 500.00,ZC,06/15/2021,2000,01/15/2026,2200,HT,PJMCZ-CONASTON 500KV CAP C1 GCB,Continuous, > - HARLEM ; R138.00,ROSCOE BE;RT138.00,1,07/14/2025,1000,07/14/2025,1300,O,CE-15625 15625 9 SER DEV,Continuous, > - HARLEM ; R138.00,ROSCOE BE;RT138.00,1,07/14/2025,1000,07/14/2025,1300,O,CE-388 HARL-15625 15625 Z3,Continuous, > - HARLEM ; R138.00,SAND PARK;RT138.00,1,07/14/2025,1000,07/14/2025,1300,O,CE-15625 15625 3 SER DEV,Continuous, > - HARLEM ; R138.00,SAND PARK;RT138.00,1,07/14/2025,1000,07/14/2025,1300,O,CE-15625 2511 CS DIS,Continuous, > - SAKR 69.000,SAKR 230.00,3,11/10/2025,0900,11/14/2025,1430,O,PJMCZ-SAKRON 3 XFORMER,Continuous, > - SAND PARK;3B138.00,SAND PARK;RT138.00,1,07/14/2025,1000,07/14/2025,1300,O,CE-15625 -164 SAND 15625 7,Continuous, > - 6N ALEX 230.00,6S CARLY 230.00,1,01/12/2026,0800,01/14/2026,1600,O,DOM-CARLYLES-NRTHALEX 2112A,Continuous, > - 6JEFF ST 230.00,6S CARLY 230.00,1,01/12/2026,0800,01/14/2026,1600,O,DOM-CARLYLES-JEFFRSON 2112B,Continuous, > - 2ETOWN KU 69.000,2THARP T 69.000,1,10/13/2025,0730,11/04/2025,1800,O,EKPC-ELIZABET-THARPJCT TIE,Continuous, > - 27PORTLND 115.00,28PEQST REA 115.00,1,07/07/2025,0800,07/11/2025,1500,O,PJMCZ-PEQUESTR-PORTLAND Q927,Continuous, > - 27PORTLND 115.00,28PEQST REA 115.00,1,07/07/2025,0800,07/11/2025,1500,O,PJMCZ-PEQUESTR REACTOR,Continuous, > - 27PORTLND 115.00,27PORTLAND 230.00,3,07/07/2025,0800,07/11/2025,1500,O,PJMCZ-PORTLAND 3 BANK XFORMER,Continuous, > - 27N.BANGOR 115.00,27PORTLND 115.00,1,07/07/2025,0800,07/11/2025,1500,O,PJMCZ-NBANGOR-PORTLAND 953,Continuous, > - 27DILLSBRG 115.00,27ROUND TP 115.00,1,07/14/2025,0600,07/18/2025,1600,O,PJMCZ-DILLSBUR-ROUNDTOP 973-1,Continuous, > - 05HOWARD2 138.00,05CHATFLD_BP138.00,1,05/14/2025,0800,06/04/2025,1600,O,AEP-CHATFIEL-HOWARD2,Continuous, > - 05CHATFL 138.00,05HOWARD1 138.00,1,05/14/2025,0800,06/04/2025,1600,O,AEP-CHATFIEL-HOWARD2,Continuous, > - 02NB Q18 138.00,02NB N4 69.000,8,11/28/2025,1600,12/12/2025,1600,O,ATSI-NEWBURGH TR8 XFORMER,Continuous, > - 02NB Q18 138.00,02NB N4 69.000,8,11/03/2025,0800,11/28/2025,1600,O,ATSI-NEWBURGH TR8 XFORMER,Continuous, > - 02NB Q18 138.00,02IV-NB+18 138.00,ZL,11/28/2025,1600,12/12/2025,1600,O,ATSI-NEWBURGH Q8 CB,Continuous, > - 02NB Q18 138.00,02IV-NB+18 138.00,ZL,11/03/2025,0800,11/28/2025,1600,O,ATSI-NEWBURGH Q8 CB,Continuous, > - 02IVYQ14 138.00,02IV-NB+18 138.00,1,11/03/2025,0800,11/28/2025,1600,O,ATSI-IVY-NEWBURGH Q18,Continuous, > - WINDYED1-RED115.00,GUNPOWD3 115.00,1,09/06/2025,0000,09/06/2025,1400,O,PJMCZ-WINDYEDG 110513-B OCB,Continuous, > - 02IKQ-18 138.00,02IV-NB+18 138.00,1,11/03/2025,0800,11/28/2025,1600,O,ATSI-02INCA-NEWBURGH Q18,Continuous, > - 01SPGDL 138.00,15PLUM 138.00,1,08/25/2025,0700,08/27/2025,1600,O,AP-PLUM-SPRINGDA Z-54,Continuous, > - 01LKLYNN 138.00,01 106 J 138.00,1,10/11/2027,0800,11/09/2027,1600,O,AP-BRANDJCT-LAKELYNN BVJ-LL,Continuous, > - 01HAZELT 138.00,01 106 J 138.00,1,10/11/2027,0800,11/09/2027,1600,O,AP-BRANDJCT-HAZELTON BVJ-RID,Continuous, > - 01BELMNT 138.00,01MIDLBN 138.00,1,05/12/2025,0800,06/03/2025,1800,O,AP-BELMONT-MIDDLEBO BEL-MID,Continuous, > - 01ALBRIG 138.00,01 106 J 138.00,1,10/11/2027,0800,11/09/2027,1600,O,AP-ALBRIGHT-BRANDJCT BVJ-AT,Continuous, > - 02IKQ-18 138.00,02JNPRQ1 138.00,1,11/03/2025,0800,11/28/2025,1600,O,ATSI-JUNIPER-02INCA Q18,Continuous, There were also changes to Generator Outages that may have affected posted Monthly ATC values by more than 10%. However, this data is considered Market Sensitive.