As per a Marathi Newspaper, trains on KR will start plying with Electric locomotives in stages starting 15th September
15th Sept - Tutari Exp, Mangala Lakshadweep Exp, RN-MAO Exp
20th Sept - Konkan...
more... Kanya Exp, Mandovi Exp, Sindhudurg Exp
15th Oct - Jan Shatabdi Exp, Tejas Exp
1st Jan 23 - CSMT-MAJN SF Exp
This is because Ratnagiri TSS has started functioning with full Capacity