Key Takeaways Quanta posted a record backlog in Q3 2025 as data center needs lifted power infrastructure work.PWR saw rising electric segment demand tied to data centers, manufacturing and grid expansion.Quanta highlighted support for generation, balance-of-plant work and full builds for data centers.Quanta Services, Inc. (PWR) is operating in a market where fast-growing data center needs are reshaping power demand. Large load customers are seeking quicker access to reliable electricity and the company is e ...