Shares of Quanta Services (PWR) are soaring 9.58% in pre-market trading on Thursday following the release of the company's impressive first-quarter 2025 results and an upward revision of its full-year guidance. The infrastructure solutions provider has demonstrated strong performance across its business segments, beating analyst expectations and showcasing robust demand for its services.

Quanta Services reported adjusted earnings per share of $1.78 for Q1, significantly surpassing the analyst consensus estimate of $1.67. Revenue for the quarter came in at $6.23 billion, well above Wall Street expectations of $5.86 billion. The company's Electric Infrastructure Solutions and Underground Utility and Infrastructure Solutions segments both contributed to this strong performance, reflecting sustained demand for Quanta's specialized services.

In light of these strong results, Quanta Services has raised its full-year 2025 financial outlook. The company now expects adjusted earnings per share between $10.05 and $10.65, up from its previous forecast of $9.90 to $10.50. Revenue guidance was also increased to a range of $26.7 billion to $27.2 billion. Adding to investor optimism, Quanta reported a record backlog of $35.3 billion, indicating a strong pipeline of future projects. This positive outlook, combined with the company's ability to capitalize on opportunities in critical infrastructure sectors such as electric grid modernization and renewable energy integration, is driving the significant pre-market stock price increase.