The Hon’ble Prime Minister of India appealed to the citizens on 3rd April 2020 at 09:10 Hrs to switch off their lights and light lamps/ candles on 5th April 2020 at 21:00 Hrs for 9 minutes. Looking at the various suggestions floating in social media such as the need to switch off all household appliances for the safety of equipments or switching on additional devices, the Hon’ble Minister of State for Power (I/C) issued a press release dated 4th April 2020 clarifying the need for switching off the lights only.
The anticipated reduction in all India demand during this period of 9 minutes was around 12000 – 14000 MW considering that only lights would be switched off. A detailed advisory was issued by POSOCO on
4th April 2020 afternoon after a conference call with all the State Load Despatch Centers and the major hydro plants in the country. A copy of this advisory is enclosed at Annexe – I. Elaborate mock exercise on hydro ramping was carried out on 4th April 2020 night and 5th April 2020 morning.