5 Best Grid Modernization Stocks to Buy for AI Infrastructure

4. Quanta Services, Inc. (NYSE:PWR)

Short Percentage of Float: 3.17%

Quanta Services, Inc. (NYSE:PWR) is one of the best grid modernization stocks to buy for AI infrastructure.

On April 30, Reuters reported that Quanta Services, Inc. (NYSE:PWR) raised its 2026 profit forecast after stronger demand from large-load industries such as AI data centers boosted its results. The company now expects 2026 adjusted earnings of $13.55 to $14.25 per share, above analysts’ average estimate of $13.09 per share, according to LSEG data cited by Reuters. Reuters also noted that Quanta benefited from hyperscaler investment in artificial intelligence data centers, while its first-quarter revenue rose to $7.87 billion from $6.23 billion a year earlier.

The company’s backlog gives the story more weight for a grid-modernization list. Quanta reported a total backlog of $48.5 billion at the end of the first quarter, including $40.1 billion in its Electric segment, which covers the power delivery work needed as utilities, generators, and large-load customers expand their infrastructure. Management also said Quanta is positioned around converging utility, generation, and large-load markets, which it estimated at a $2.4 trillion addressable market through 2030.

Quanta Services, Inc. (NYSE:PWR) provides infrastructure solutions for utility, renewable energy, power generation, communications, pipeline, and energy industries, including design, installation, repair, and maintenance services for energy and load-center infrastructure.