Electric Loco Shed, Arakkonam is a motive power depot performing locomotive maintenance and repair facility for electric locomotives of the Indian Railways, located at Arrakkonam on the Guntakal–Chennai Egmore section of the Southern Railway zone in Tamil Nadu, India.

It is one of the three electric locomotive sheds of the Southern Railway, the others being at Erode (ED) and Royapuram (RPM) and is the oldest in south India.

[3] To meet the needs of exponentially increasing rail traffic on the new continuous broad-gauge lines from Chennai to Kanyakumari and Palakkad with the completion of gauge conversion, the steam shed site was selected by Indian railways for a new electric locomotive shed.

Locomotives of Arakkonam ELS along with Erode and Royapuram ELS were the regular links for all trains running through Kerala and Tamil Nadu when widespread electrification of railway lines started in Southern Railways.

AJJ locomotives used to be predominantly the regular links for trains traveling to north as well.