Power supply in Vijayawada, Guntur, Ongole, Nellore, Anantapur and other towns was hit.
In south coastal Andhra, employees cut supply to even the houses of central and state ministers, blaming them for the failure to stall the central government's decision to carve out separate Telangana state.
Generation of 1,054 MW at Rayalaseema Thermal Power Station at Kadapa came to a halt due to strike, plunging many parts of Rayalaseema in darkness.
Power supply to even famous Tirumala temple at Tirupati was disrupted. The supply was restored by the employees after talks with the temple authorities.
Generation of 770 MW at Srisailam Hydel Power Station also came to a standstill.