👉 Breaking Down Quanta Services ($PWR)

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Hi everyone,

Today we’re breaking down the company that physically builds America’s electrical grid, and it just posted its ninth consecutive year of record earnings. The stock is up over 140% from its 52-week lows, and the backlog just hit an all-time high of $44B.

As a reminder, this specific deep-dive is written by the GRIT team and is not the exclusive work of Head Analyst Austin Hankwitz.

Stock Deep Dive: Quanta Services Inc. (PWR-US, $94B)

Quanta Services isn’t a tech company, a cloud platform, or an AI chipmaker. It’s the largest specialty infrastructure contractor in North America, and it builds the physical systems that deliver electricity from power plants to your home, your factory, and increasingly, to the data centers running AI workloads. Transmission lines, substations, distribution networks, renewable energy interconnections, underground pipelines, fiber optic networks: Quanta’s 69,500 employees are the ones out in the field, building and maintaining the critical infrastructure that the modern economy runs on.

The company just closed FY2025 with record results across nearly every metric: $28.5B in revenue (+20% YoY), $2.9B in adjusted EBITDA, $10.75 in adjusted EPS (+20%), and $1.7B in free cash flow. The backlog reached an all-time record of $44B, with the Electric Infrastructure segment driving the acceleration. FY2026 guidance calls for $33.25B to $33.75B in revenue with adjusted EPS of $12.65 to $13.35, implying 20%+ earnings growth. Those numbers came in well above consensus and sent the stock up over 4% on the day.

The investment debate is straightforward: Quanta is the most direct picks-and-shovels play on the U.S. power grid buildout, and the demand tailwinds (AI data centers, grid modernization, electrification, renewables) are as strong as anything the company has seen in its 28-year history. The question is whether a $90B market cap and a ~45x forward P/E already reflect that opportunity, or whether nine consecutive years of record EPS and a management team targeting $21 to $27 in EPS by 2030 justify paying up. The business is easier to like than the valuation, but the growth rate is also faster than the market gives most industrials credit for.

• Why Now? 👉 The Grid Buildout Supercycle

• Overview 👉 What Does Quanta Do? Role in Ecosystem

• How Do They Win? 👉 Value Proposition

• Business Units 👉 Segment Breakdown

• How Do They Make Money? 👉 Revenue Model

• By The Numbers 👉 Key Metrics

• Bonus: Deep Dive 👉 What Drives Quanta?

• Risks 👉 Potential Pitfalls

• Wrapping Up…  

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Why Now? 👉 The Grid Buildout Supercycle

The U.S. power grid is facing its biggest investment cycle in generations, and Quanta is the company best positioned to execute it. Three forces are converging simultaneously: AI data centers are creating massive new electricity demand (hyperscalers need gigawatts of new power capacity), the existing grid infrastructure is aging and needs modernization, and the energy transition is requiring new transmission lines to connect renewable generation to load centers. Quanta’s $44B backlog reflects all three of these forces, with data center and large-load customers representing the fastest-growing component at roughly 10% of total backlog.

The catalyst in Q4 2025 was the NiSource project: Quanta was selected to design, procure, and construct approximately 3 GW of power generation and grid infrastructure for a large data center campus in Indiana. The scope includes power generation, battery storage, transmission, substation, and underground infrastructure. This single project demonstrates the "total solutions" model that Quanta has been building toward for years. Management noted that each NiSource-type customer represents a $5B to $7B opportunity. With more hyperscalers seeking similar behind-the-meter power solutions, the pipeline of large-load projects is expanding rapidly.

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