Tamil Nadu to build 12 new substations
Tamil Nadu will invest $140 M in 12 substations across 9 districts, including Chennai and Kancheepuram, to meet the rising electricity demand.

Image for illustrative purposes
India, Tamil Nadu: To address the steadily rising demand for electricity in Tamil Nadu, the state’s electricity transmission corporation has announced plans to build 12 new substations across 9 districts, including Chennai, Kancheepuram, and Chengalpattu, at an estimated cost of $140 M (Rs1192 crore).
The proposed plan includes one 400 kV substation, with the remaining 11 substations designed at 110 kV capacity.
A significant development is the establishment of a substation in Hosur, in Krishnagiri district, on a vast 810-ha (2000-acre) government-owned site. So far, five potential locations have been reviewed, with two already confirmed. Efforts to identify more suitable sites are ongoing.
The district-level plan includes two substations each in Chengalpattu and Namakkal, while single substations will be set up in Chennai, Kancheepuram, Erode, Madurai, Salem, and Thanjavur, all with 110 kV capacity.
A senior electricity department official stated that once site selection is complete, a detailed project assessment will follow, leading to formal government approval and the start of construction.
Source: Live Chennai
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