New Delhi, Sept. 11 -- The data centre boom in India has been a boon for electric generator manufacturers.

Cummins India Ltd's share of revenue from data centres widened to 14% in FY26 from less than 2% seven years ago. Kirloskar Oil Engines Ltd is eyeing data centres as a key revenue driver while targeting $2 billion in annual revenue by FY30. Sterling & Wilson's energy subsidiary, Sterling Green Power Solutions Pvt Ltd, is said to be planning a Rs.1,500 crore public listing while fielding data centre orders of above Rs.3,000 crore.

Electric generators are mandatory in all data centres as infrastructure that adds redundancy to operations. In most cases, diesel-powered generators, such as what Cummins sells, are popular for their proven...