| Event Description | Date |
|---|---|
| The Concreting of Power Plant was Commenced During | May 1969 |
| Power House Concreting | 19th Nov 1969 |
| The First Turbine Spiral Casing Installation was Started During | Aug 1971 |
| Installation of the Generator was Commenced During | May 1972 |
| Reservoir Filling | 15th Aug 1972 |
| Water was Admitted into the Balimela Power Tunnel | 23rd May 1973 |
| The First Turbine was put on Trial Run | At the End of May 1973. |
| First Unit was Commissioned | 14th Aug 1973 |
| After R & M Commercial Operation of Unit I and II were Started | On 15th Apr 2022 and 29th Dec 2021 Respectively |
