Spare Capacity at Sub-Stations
| S.No | State/UTs | ISTS/InSTS | Transmission Utility | Source / Link |
|---|---|---|---|---|
| 1 | All India | ISTS | Central Transmission Utility of India Limited (CTUIL) | https://ctuil.in/renewable-energy |
| 2 | Rajasthan | InSTS | Rajasthan Rajya Vidyut Prasaran Nigam Limited (RRVPNL) | https://energy.rajasthan.gov.in/rrvpn/#/pages/department-page/1038 |
| 3 | Odisha | InSTS | Odisha Power Transmission Corporation Limited (OPTCL) | https://ogri.optcl.co.in/ |
| 4 | Gujarat | InSTS | Gujarat Energy Transmission Corporation Limited (GETCO) | https://www.getcogujarat.com/getco_newsite/reif.php |