text_combined: coi path 15 path 26 de rates day ahead market ran coi branch group ttc n direction changed 4100 mw 4000 mw path 15 n direction reduced 500 mw hour n direction changed 1275 mw 1100 mw path 26 n direction changed 3000 mw 2500 mw 1100 2100 operating day 7 30 01 reason change forced emergency maintenance first applicable hour ahead market run values 1500 iso update changes line rating status sent market operations inquiries please call hour ahead desk system conditions described communication dynamic subject change iso attempted reflect current accurate information available preparing notice system conditions may change suddenly little notice