Grid Modernization And Fiber Build-Out Will Empower Infrastructure Evolution

Key Takeaways

• Strong sector tailwinds, record backlog, and policy support position MasTec for sustained growth and improved revenue visibility in core energy and communications markets.
  
• Operational efficiency initiatives and strategic scaling efforts are set to drive margin expansion and long-term earnings upside beyond current market expectations.
  
• Heavy investment to support growth, combined with client concentration and regulatory risk, could pressure margins and earnings if demand, execution, or policy shifts disappoint.

Catalysts

An infrastructure construction company, provides engineering, building, installation, maintenance, and upgrade services for communications, energy, utility, and other infrastructure primarily in the United States and Canada.

• Rapid acceleration in utility grid modernization, data center build-outs, and renewable energy investment is fueling double-digit revenue growth and record backlog in MasTec's Power Delivery and Clean Energy & Infrastructure divisions; the company's leading position and customer relationships indicate continued outsized top-line expansion over the next multi-year cycle.
  
• The structural build-out of fiber networks and 5G deployment, as evidenced by record backlog, broad customer demand (including major carriers' ambitious fiber targets), and strong year-over-year growth in Communications, sets up a sustained growth runway for both revenues and margins as volumes scale and operational leverage increases.
  
• Recent policy developments (including extended tax credits for renewables and regulatory clarity from new federal legislation) have strengthened MasTec's bookings pipeline and provide long-duration tailwinds, reducing policy risk and supporting visibility on new project awards-this improves future revenue predictability and supports higher valuation.
  
• Strategic workforce and equipment expansion in anticipation of large-scale pipeline and infrastructure investments (notably for 2026 and beyond) positions MasTec to capture significant incremental margins as the upcoming mega-cycle in energy infrastructure hits, with initial margin headwinds from ramp-up expected to reverse as utilization rises.
  
• Multi-year investments in operational efficiency, technology, and customer framework agreements are driving sequential and year-over-year improvements in EBITDA and net margins across segments; continued execution on these initiatives is likely to further support margin expansion and long-term earnings power, which appears underappreciated by the current stock valuation.

MasTec Future Earnings and Revenue Growth

Assumptions

• Analysts are assuming MasTec's revenue will grow by 9.6% annually over the next 3 years.
• Analysts assume that profit margins will increase from 2.0% today to 4.3% in 3 years time.
• Analysts expect earnings to reach $730.8 million (and earnings per share of $8.84) by about September 2028, up from $265.6 million today. However, there is some disagreement amongst the analysts with the more bearish ones expecting earnings as low as $558.5 million.
• In order for the above numbers to justify the analysts price target, the company would need to trade at a PE ratio of 27.3x on those 2028 earnings, down from 51.1x today. This future PE is lower than the current PE for the US Construction industry at 34.7x.
• Analysts expect the number of shares outstanding to decline by 0.42% per year for the next 3 years.
• To value all of this in today's terms, we will use a discount rate of 8.59%, as per the Simply Wall St company report.

MasTec Future Earnings Per Share Growth

Risks

• Increased headcount and investment in equipment to support anticipated growth, while positioned as short-term, is already impacting margins in 2025; if demand fails to materialize as expected or projects are delayed, these higher fixed costs could depress net margins and earnings over the longer term.
  
• Heavy dependence on top-tier customers and large-scale projects, especially in Clean Energy, Power Delivery, and Pipeline segments, introduces significant client concentration risk-potential contract delays or cancellations by key customers could create material revenue volatility and impact predictable cash flows.
  
• The company's strategy of rapidly scaling workforce and resources exposes it to execution risk during large, complex projects (including cost overruns, labor inefficiencies, and project delays), which historically has led to thin margins and could further pressure earnings and margin consistency if not well managed.
  
• Secular changes in government policy, tax incentives, and regulatory environment (e.g., renewables credits, permitting for pipeline/infrastructure) are flagged as major demand drivers; changes or uncertainty in these frameworks could curtail project volumes or delay backlog conversion, impacting multi-year revenue growth forecasts.
  
• Industry-wide labor shortages and reliance on skilled trades for utility, energy, and communications infrastructure represent a persistent risk that may increase project costs, cause bottlenecks, or reduce MasTec's ability to effectively execute and scale, thereby squeezing margins and potentially capping long-term earnings growth.

Valuation

• The analysts have a consensus price target of $205.389 for MasTec based on their expectations of its future earnings growth, profit margins and other risk factors. However, there is a degree of disagreement amongst analysts, with the most bullish reporting a price target of $227.0, and the most bearish reporting a price target of just $140.0.
• In order for you to agree with the analyst's consensus, you'd need to believe that by 2028, revenues will be $17.2 billion, earnings will come to $730.8 million, and it would be trading on a PE ratio of 27.3x, assuming you use a discount rate of 8.6%.
• Given the current share price of $174.99, the analyst price target of $205.39 is 14.8% higher.
• We always encourage you to reach your own conclusions though. So sense check these analyst numbers against your own assumptions and expectations based on your understanding of the business and what you believe is probable.