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Quanta Services (PWR) Could Be 5% Undervalued As Earnings Optimism Builds

Simply Wall St·10/03/2026 19:14:54
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Quanta Services (PWR) drew fresh attention after its stock gained 2.11%, outpacing the S&P 500’s 0.73% move, as investors reacted to expectations for significantly higher upcoming EPS and revenue.

The latest move builds on strong momentum for Quanta Services, with a 30 day share price return of 10.77% and a year to date share price return of 53.88%. The 1 year total shareholder return of 60.76% and very large 5 year total shareholder return suggest longer term holders have already seen substantial gains as expectations around earnings and infrastructure demand have shifted.

Spot other infrastructure plays showing similar momentum by scanning the hand picked 40 power grid technology and infrastructure stocks alongside Quanta Services today.

After a surge like this, either most of the easy money is already in the rearview mirror for Quanta Services, or the market is still catching up to its earnings story. The valuation work starts there.

Most Popular Narrative: 5% Undervalued

Quanta Services last closed at $676.56, compared with a narrative fair value estimate of $710.00, which frames today’s rally against a slightly higher long term anchor. That gap is small enough that sentiment, contract wins, and execution around power grid projects can still matter more than any single model output.

The long case is simple: Quanta sits at the intersection of several unusually durable spending waves: aging grid replacement, transmission expansion, utility hardening, manufacturing reshoring, renewable interconnection, and AI-driven power demand. The company’s scale, labor base, customer relationships, and expanding “total solutions” model make it one of the few contractors able to execute very large, complex programs.

See why 67 investors see Quanta Services as 5% undervalued.

Result: Fair Value of $710 (UNDERVALUED)

Still, the Quanta Services story can crack if large AI or grid projects are delayed, or if tight labor markets start to squeeze project economics.

Find out about the key risks to this Quanta Services narrative.

Another View on Quanta Services Valuation

There is a catch. On simple earnings multiples, Quanta Services trades at a P/E of 76.7x, more than double the Construction industry average of 30.3x and well above a fair ratio estimate of 37.7x. That kind of gap leans toward valuation risk rather than a hidden bargain.

For investors who want to see what the current price implies in plain numbers, See what the numbers say about this price — find out in our valuation breakdown..

NYSE:PWR P/E Ratio as at Oct 2026
NYSE:PWR P/E Ratio as at Oct 2026

Next Steps

Opinions differ on whether the recent Quanta Services surge is justified or overextended. Consider acting promptly, review both the risks and potential upside, and ground your own view in the 2 key rewards and 1 important warning sign.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.