Overview
TANGEDCO operates coal-based thermal power stations with a combined installed capacity of approximately 4,060 MW. These stations are located across Tamil Nadu and form the primary baseload generation capacity for the state's electricity grid.
North Chennai Thermal Power Station (NCTPS)
Located at Athipattu in Thiruvallur district, North Chennai TPS is the largest thermal power station operated by TANGEDCO.
| Stage | Units | Capacity (MW) | Status |
|---|---|---|---|
| Stage I | 3 × 210 MW | 630 | Operational |
| Stage II | 2 × 600 MW | 1,200 | Operational |
| Stage III | 1 × 800 MW | 800 | Operational |
| Total NCTPS | 2,630 |
Mettur Thermal Power Station (MTPS)
Situated near the Mettur Dam in Salem district, this station benefits from water availability from the Cauvery river system.
| Stage | Units | Capacity (MW) | Status |
|---|---|---|---|
| Stage I | 4 × 210 MW | 840 | Operational |
| Stage III | 1 × 600 MW | 600 | Operational |
| Total MTPS | 1,440 |
Tuticorin Thermal Power Station (TTPS)
Located in Thoothukudi district on the southern coast of Tamil Nadu, the Tuticorin TPS uses imported coal and domestic coal blend.
| Stage | Units | Capacity (MW) | Status |
|---|---|---|---|
| Stage I | 5 × 210 MW | 1,050 | Operational |
| Total TTPS | 1,050 |
Ennore Thermal Power Station (ETPS)
The Ennore Thermal Power Station, located in Chennai, was one of the earliest thermal power plants commissioned by TNEB. It had an original installed capacity of 450 MW. The station has been decommissioned after completing its operational life.
| Station | Original Capacity (MW) | Status |
|---|---|---|
| Ennore TPS | 450 | Decommissioned |
Total Thermal Capacity Summary
| Station | Installed Capacity (MW) |
|---|---|
| North Chennai TPS | 2,630 |
| Mettur TPS | 1,440 |
| Tuticorin TPS | 1,050 |
| Ennore TPS (Decommissioned) | — |
| Total Operational Thermal | ~4,060 MW (approx.) |