Tata Power, one of India’s largest integrated power companies, carries a substantial portion of the bulk power requirement of Mumbai. "We believe that we have a robust and reliable transmission and distribution network in Mumbai. The Company’s transmission network comprises approximately 1,100 circuit kilometre of 220kV/ 110 kV lines and 20 receiving stations spread across the city of Mumbai," it said.

Power carried by the Tata Power transmission system is utilised by all the four distribution companies operating in Mumbai.

Tata Power has transmission schemes approved by the MERC, including (i) installation of (a) a 220 KV transmission line from Kalwa to Salsette; (b) a 220 KV Trombay Dharavi Salsette transmission line; (c) a 145 KV GIS (gas insulated switchgear) at Bandra Kurla Complex in Mumbai; (d) a 145 KV GIS at HDIL, Kurla; (e) a 220 KV GIS at Mahalaxmi, Mumbai; (f) a 75 MVA transformer with a 33 KV GIS at Parel, Mumbai and (ii) replacement of a 22 KV bus section at Dharavi, Mumbai.

Speaking on this, S Padmanabhan, ED-Operations, Tata Power stated, ''Tata Power has a robust and reliable transmission and distribution network in Mumbai. Today, Tata Power is a major supplier to retail and bulk consumers of electricity including railways, refineries and other large industrial and commercial complexes.''

Shares of the company gained Rs 3.35, or 4%, to trade at Rs 87.15. The total volume of shares traded was 1,237,081 at the BSE (3.22 p.m., Thursday).