Several parts of Delhi city faced power cuts on June 10 as the city fell short of 250 megawatt (mw) of power. Officials said the the power shortage was because of low supply to Northern Grid — from where Delhi draws a major portion of its power — due to outage in hydro power plants in Himachal Pradesh. Delhi was short of 250 mw of power from the Agra-Gwalior grid line, officials said.
Parts of West Delhi — particularly Dwarka, Vikaspuri, Janakpuri, Sagarpur, Uttam Nagar, Tilak Nagar and neighbouring areas — reported power cuts lasting more than five hours. Parts of South, East and North Delhi, too, experienced intermittent power cuts.
There is shortage of 3,000 mw of power in the Northern Grid, due to outage of hydro power plants in Himachal Pradesh. These plants were shutdown because of high level of silt. Besides, inter-regional lines are also overloaded, a spokesperson for Delhi Transco (DTL) said.
Technically, all the northern states have been drawing power through the Agra-Gwalior grid, which got overloaded. So while there is no shortage of power so far, technically, load-shedding was an important step or the grid line would have failed again, a senior official said.
DTL officials said load-shedding to the tune of 50 mw to 250 mw was carried out on rotational basis from noon on June 10. Delhi has made sufficient power arrangements, but the shedding was carried out to maintain grid discipline, sources said.