Delhi’s Power Demand Continues to Grow, More so on Summer Nights

Delhi’s power demand this summer peaked at nights with cooling load due to the use of AC, coolers contributing to the maximum consumption of electricity

Delhi's Power Demand

The power demand in Delhi this summer peaked at night with “cooling load” due to the use of AC, coolers and fans contributing to the maximum consumption of electricity.

Data from Delhi’s state load dispatch centre (SLDC) shows that on 90 days between May and August, the city’s power demand peaked during the night. 

“Contrary to the popular perception that higher day temperatures require more power consumption, Delhi’s power demand is increasingly peaking during the night hours mainly because of cooling load,” a discom official said. 

Delhi’s peak power demand has increased by over 250 percent since 2002 when it was 2,879 MW.  It clocked an all-time high of 7,409 MW on July 2 this year, according to the data. 

“Cooling load is the main factor behind the increase in Delhi’s power load. In fact, according to estimates, almost around 50 percent of Delhi’s power demand in summers is because of the cooling load of ACs, coolers and fans,” the official said. 

Air conditioning can account for up to 30-50 percent of the annual energy cost of a company or households. 

During summers, Delhi’s power demand peaked during the night on 89 days – 19 in May, 18 in June, 24 in July and 28 days in August, the data shows. 

In fact, even on July 2, when Delhi’s demand clocked an all-time high of 7,409 MW, power demand in South and West Delhi first made an all-time high record on 3,159 MW in the afternoon only to again breach it during the night (3,189 MW), discom officials said. 

In BSES discom BRPL’s area of South and West Delhi, the power demand peaked at night on 115 days – 26 in May, 29 in June, 29 in July and all 31 days in August. 

In East and Central Delhi, covered by another BSES discom BYPL, the power demand peaked at night on 97 days – 22 days in May, 24 days in June, 22 days in July and 29 days in August. 

In case of North Delhi supplied by TPDDL, the power demand peaked at night on 52 days – 10 (May), 13 (June), 14 (July) and 15 (August), officials added.

Aware of this trend, the Energy Efficiency Services Limited (EESL), a joint venture of four National Public Sector Enterprises under Ministry of Power, had in February this year launched its super-efficient Air Conditioning Programme for residential and institutional consumers in the BSES area.

With Super-Efficient Air Conditioning programme, EESL endeavours to distribute air conditioners that are 40 percent more efficient than, but priced comparably with, the 3-star ACs currently available in the market (ISEER 3.8). And BRPL will assist in aggregating demand and providing local marketing and outreach support to promote energy-efficient technologies in the areas it currently services, thereby covering over 25 lakh residential and institutional consumers in South and West Delhi.

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Ayush Verma

Ayush Verma

Ayush is a staff writer at saurenergy.com and writes on renewable energy with a special focus on solar and wind. Prior to this, as an engineering graduate trying to find his niche in the energy journalism segment, he worked as a correspondent for iamrenew.com.

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