Unit-4 of SLBHES recommissioned again
After a six-year hiatus, Unit-4 of the Srisailam Left Bank Hydro-Electric Station (SLBHES) was successfully recommissioned on August 11. The trial run, conducted at an early hour, was seamlessly synchronized with the electrical grid. TG-Genco officials confirmed that the unit passed all pre-commissioning tests after obtaining necessary permissions from the Chief Electrical Inspector.
Subsequent fine-tuning procedures, including dynamic balancing and turbine auto-tuning, were carried out to guarantee smooth operation. The unit had previously been re-commissioned on October 2, 2025, but was forced to trip on air gap protection the following morning. The initial trial run and full commissioning had taken place on July 29, 2023, but the unit experienced a tripping incident on August 17 following around 80 hours of operation.
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