Quanta Services, Inc. (PWR) Stock Valuation — PE Analysis

Engineering & Construction · NYSE

Current Price

$635.37

PE Ratio (TTM)

71.9x

Intrinsic Value

$655.08

+3.0% margin of safety

AI MOAT & RISK ANALYSIS
AI Generated · For Reference OnlyPWR

COMPETITIVE MOAT

Specialized Infrastructure Expertise

Quanta possesses deep technical knowledge and experience in complex infrastructure projects, particularly in electric power and telecommunications. This specialized skill set is difficult for competitors to replicate quickly.

Long-Term Customer Relationships

The company cultivates enduring partnerships with major utility and telecom providers. These established relationships create significant switching costs and foster repeat business.

Scale and Geographic Reach

Quanta's extensive operational footprint and large workforce allow it to undertake massive, multi-year projects across diverse geographies. This scale is a barrier to smaller, less capable rivals.

INVESTMENT RISKS

Cyclicality of Infrastructure Spending

The company's performance is tied to the capital expenditure cycles of its clients. Economic downturns or shifts in regulatory priorities can lead to reduced project pipelines.

Project Execution and Safety

Large-scale infrastructure projects carry inherent risks of cost overruns, delays, and safety incidents. These can negatively impact profitability and reputation.

Intense Competition for Contracts

While Quanta has moats, the engineering and construction sector is competitive. Winning new, large contracts requires aggressive bidding, potentially impacting margins.

Base case

PWR base case PE valuation

At a current price of $635.37, the base case PE valuation puts PWR fair value near $655.08 per share. That figure assumes 17.0% yearly earnings growth, a target PE multiple of 50x, and a 10% discount rate.

Intrinsic Value

$655.08

Margin of safety

+3.0%

Expected annual return

+0.6%

Base case assumptions: 17.0% annual earnings growth, 50x target PE, 10% discount rate, 5 year projection. Data as of 2026-07-30.

This base case uses default assumptions and is not financial advice. The fair value changes significantly when the target PE or earnings growth rate changes. Open the calculator to set your own assumptions and see the full sensitivity range.

Customize the PWR PE valuation

Adjust the target PE, earnings growth, and discount rate to see how the fair value and margin of safety for Quanta Services, Inc. respond.

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Company Overview

Quanta Services, Inc. is a global provider of specialized contracting solutions. The company operates through three main business segments: The Electric Power Infrastructure Solutions division is dedicated to designing, procuring, constructing, upgrading, repairing, and maintaining critical infrastructure for electric power transmission, distribution networks, and substation facilities. This includes executing projects on live electrical systems for installation, upkeep, and modernization, as well as integrating advanced smart grid technologies. The segment also handles commercial and industrial wiring from design through repair. Furthermore, it furnishes aviation services, vital emergency restoration support, and various other engineering and technical assistance. Quanta Services extends its design and construction expertise to the telecommunications sector, serving wireline and wireless carriers, cable multi-system operators, and other clients. Professional development programs for electric utility personnel, as well as those in gas distribution and telecommunications, are also offered. The Renewable Energy Infrastructure Solutions segment concentrates on the full lifecycle of renewable energy assets. This encompasses engineering, procurement, construction, modernization, repair, and maintenance for facilities generating power from wind, solar, and hydroelectric sources, alongside battery storage systems. Additionally, it delivers engineering and construction for associated substations, switchyards, transmission lines, and other electrical infrastructures integral to renewable projects. The Underground Utility and Infrastructure Solutions division furnishes comprehensive services covering the design, engineering, construction, enhancement, repair, and ongoing maintenance of systems for transporting, distributing, storing, and processing natural gas, oil, and various other commodities. This includes the fabrication of essential pipeline support structures and related facilities. The segment is also responsible for the engineering and construction of extensive pipeline networks, storage facilities, and crucial compressor and pump stations. Originally incorporated in 1997 as Fabal Construction, Inc., the company adopted the name Quanta Services, Inc. in November of that year and maintains its corporate headquarters in Houston, Texas.

Financial Metrics — PWR PE Stock Valuation Data

PE Ratio (TTM)

71.9x

PEG Ratio

2.07

Earnings Yield

1.39%

ROE (TTM)

14.7%

Revenue/Share (TTM)

$218.52

Dividend Yield

0.07%

Debt/Equity

0.12x

Frequently Asked Questions

What is the PE ratio of PWR?

The trailing twelve-month PE ratio of PWR reflects how much investors pay per dollar of Quanta Services, Inc.'s earnings. This metric is most useful when compared to Engineering & Construction peers and the company's own historical range.

Is PWR overvalued based on PE ratio?

PWR's PE of 71.9x combined with a PEG ratio of 2.07 provides a growth-adjusted perspective. A PEG above 2.0 means the P/E is high relative to the earnings growth rate. Keep in mind that PE-based valuation works best for profitable, mature companies — for high-growth or cyclical Engineering & Construction, a DCF analysis may be more appropriate.

How do I value PWR stock using PE ratio?

To value Quanta Services, Inc. using PE: (1) Compare the current PE (71.9x) against the Engineering & Construction median to assess relative pricing, (2) check the PEG ratio (2.07) to adjust for growth expectations, (3) review the 5-year PE range to identify where the stock sits historically, and (4) estimate fair value by multiplying a target PE by forward EPS estimates. This relative approach complements DCF's absolute valuation.

What is the PEG ratio of PWR?

PWR's PEG ratio is 2.07, calculated by dividing the PE ratio (71.9x) by the expected earnings growth rate. A PEG above 2.0 means the P/E is high relative to the expected earnings growth rate. Note that PEG accuracy depends on the reliability of growth estimates.

Should I use PE ratio or DCF for PWR stock valuation?

PE ratio gives a quick relative read — how PWR is priced versus Engineering & Construction peers. DCF provides an absolute value based on projected free cash flows. For the most reliable valuation, use PE as a quick comparability screen and DCF for a deeper fundamental analysis. Each method has blind spots: PE ignores capital structure and cash flow quality, while DCF is sensitive to growth and discount rate assumptions.

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Related PE Valuations

All Industrials valuations

P/E and DCF value PWR with different methods and assumptions, so the two conclusions can differ. Compare the DCF intrinsic value.

Price as of 2026-07-30. Financial data from Financial Modeling Prep (trailing twelve months) · Valuation methodology by Charlie Wang.

This is an estimate, not investment advice.