Powell Industries (POWL)

Custom switchgear & bus duct for mission-critical. Pure-play DC power.

Powell Industries (POWL) is a moderate-exposure data-center supply-chain name in the power equipment sector. Data Center Index tracks Powell Industries's capex history, project wins, and supplier exposure across the AI infrastructure buildout, refreshed daily from SEC filings and project announcements.

Powell Industries data center thesis

Powell Industries is the only US-listed pure-play in custom switchgear and bus duct for mission-critical loads, the bespoke gear hyperscalers cannot substitute. FY26 Q1 backlog of $1.8B (+38.5% YoY) on $1.1B trailing revenue means more than 18 months of work already booked. The stock is up 433% in twelve months, and a small float leaves it sensitive to a single Permian or DC anchor order.

Bull case

  • FY26 Q1 backlog hit $1.8B, up 38.5% YoY; book-to-bill above 1.6x on a base where DC and AI buildout sit inside the 16% Commercial and Industrial bucket and are scaling visibly faster than the rest of the mix.
  • Switchgear lead times of 30-60 weeks are tight but more manageable than transformers, and POWL custom bus-duct mix is the highest-margin slice of the category; gross margin doubled from 15% in 2022 to 29.4% in FY25 as price and mix flow through.
  • Houston capacity expansion adds roughly 25% of nameplate later this year, letting POWL convert backlog faster while peers are still capex-constrained, a setup most public switchgear plays cannot replicate.

Bear case

  • Customer book is concentrated: Permian midstream and a handful of DC operators account for the bulk of new bookings, and any single project deferral hits the margin line hard at this size.
  • After a 433% twelve-month move POWL trades at 94% of its 52-week range; a single quarter of book-to-bill below 1.0 could trigger a multiple reset that no fundamental-only investor wants to wait through.
  • Houston capacity ramp is also a competitive risk; it lands the same year ETN and HUBB add their own capacity, and supply catch-up could end the scarcity premium baked into the multiple.

Thesis last reviewed 2026-05-09.

Data center exposure rationale

Data centers fall inside POWL's 16%-of-revenue Commercial & Industrial bucket; mgmt cites DC + AI buildout as a growth driver behind the Houston capacity expansion.

Powell Industries revenue and capex

In fiscal 2025, Powell Industries reported revenue of $1.1B, capital spending of $13.1M and operating income of $217.9M.

Fiscal yearRevenueCapexOperating income
2025$1.1B$13.1M$217.9M
2024$1.0B$12.0M$178.8M
2023$699.3M$7.8M$62.5M

From annual reports filed with the SEC; the most recent was filed 2025-11-19.

Tracked Powell Industries data center projects

Analysis mentioning Powell Industries

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