New Delhi, Dec. 23 -- Google's corporate parent on Monday announced an agreement to buy data center energy specialist Intersect for $4.75 billion as part of its effort to secure the vast amounts of electricity needed to power artificial intelligence technology.

Alphabet, which depends on Google's search engine and other online services for most of its revenue, is buying out Intersect in its entirety after purchasing a stake in the San Francisco-based startup a year ago. Intersect had previously raised $2.1 billion from Google and other early investors.

After the acquisition is completed during the first half of next year, Alphabet intends to allow Intersect to operate independently while continuing its efforts to secure the energy sourc...