Powerhouses in Tamil Nadu
| # | Name | Basin | Status | Total Installed Capacity (MW) |
|---|---|---|---|---|
| 1 | Aliyar Power House | West flowing rivers from Tadri to Kanyakumari | Operational | 60 |
| 2 | Bhavani Kattalai Barrage - II Power House | Cauvery | Operational | 30 |
| 3 | Bhavani Kattalai Barrgae - I Power House | Cauvery | Operational | 30 |
| 4 | Bhavani Kattalai Barrgae - III Power House | Cauvery | Operational | 30 |
| 5 | Kadamparai Power House | West flowing rivers from Tadri to Kanyakumari | Operational | 400 |
| 6 | Kodayar - I Power House | West flowing rivers from Tadri to Kanyakumari | Operational | 60 |
| 7 | Kodayar - II Power House | West flowing rivers from Tadri to Kanyakumari | Operational | 40 |
| 8 | Kundah - I Power House | Cauvery | Operational | 60 |
| 9 | Kundah - II Power House | Cauvery | Operational | 175 |
| 10 | Kundah - III Power House | Cauvery | Operational | 180 |
| 11 | Kundah - IV Power House | Cauvery | Operational | 100 |
| 12 | Kundah - V Power House | Cauvery | Operational | 40 |
| 13 | Kundah - VI Power House | Cauvery | Operational | 30 |
| 14 | Lower Bhavani Power House | Cauvery | Operational | 8 |
| 15 | Lower Bhavani RBC Power House | Cauvery | Operational | 7.5 |
| 16 | Lower Mettur Barrage - IV Power House | Cauvery | Operational | 30 |
| 17 | Lower Mettur Barrage -I Power House | Cauvery | Operational | 30 |
| 18 | Lower Mettur Barrage -II Power House | Cauvery | Operational | 30 |
| 19 | Lower Mettur Barrage -III Power House | Cauvery | Operational | 30 |
| 20 | Mettur Dam Power House | Cauvery | Operational | 40 |
| 21 | Mettur Tunnel Power House | Cauvery | Operational | 200 |
| 22 | Moyar Power House | Cauvery | Operational | 36 |
| 23 | Papanasam Power House | East flowing rivers between Pennar and Kanyakumari | Operational | 28 |
| 24 | Periyar Power House | East flowing rivers between Pennar and Kanyakumari | Operational | 140 |
| 25 | Pykara Singara Power House | Cauvery | Operational | 70 |
| 26 | Pykara Ultimate (Pushe) Power House | Cauvery | Operational | 150 |
| 27 | Sarkarpathy Power House | West flowing rivers from Tadri to Kanyakumari | Operational | 30 |
| 28 | Sathanur Power House | East flowing rivers between Pennar and Kanyakumari | Operational | 7.5 |
| 29 | Servalar Power House | East flowing rivers between Pennar and Kanyakumari | Operational | 20 |
| 30 | Sholayar - I Power House | West flowing rivers from Tadri to Kanyakumari | Operational | 70 |
| 31 | Sholayar - II Power House | West flowing rivers from Tadri to Kanyakumari | Operational | 25 |
| 32 | Suruliar Power House | East flowing rivers between Pennar and Kanyakumari | Operational | 35 |
| 33 | Vaigai Power House | East flowing rivers between Pennar and Kanyakumari | Operational | 6 |
