In a meeting, Power Minister Harun Yusuf told CEOs of three distribution companies to pull up their socks and rectify problems in their supply network urgently.
"We told them to improve the supply immediately. We are not going to tolerate power cuts as we have arranged enough power for the city," Yusuf told PTI.
Yusuf blamed the long outages on local faults and other technical problems in the distribution network of the discoms.
They said government was particularly unhappy about long power cuts in areas where electricity is supplied by BSES Yamuna Power Ltd and BSES Rajdhani Power Ltd.
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The BSES discoms supply power in 70 per cent areas of the city while Tata Power Delhi Distribution Ltd (TPDDL) distributes power in around 25 per cent areas while New Delhi Municipal Corporation supplies power in Lutyens Bungalow Zone.
Officials said government has not received any complaint of power cuts in areas served by TPDDL and NDMC.
Areas across the city have been facing power cuts for up to four hours in the last few days despite government's claim of ensuring round-the-clock power supply.
The power minister directed Power Secretary Shakti Sinha to review the situation regularly.