Willdan's battery moment: record margins, a scorching data-center book, and a stock 36% off its peak

Q2 2026 delivered +33% contract revenue, a record 28.2% adjusted EBITDA margin, and a raise — as battery storage vaults to the top of Willdan's keyword ledger and commercial revenue becomes a real third leg.

WLDN · Earnings Call · 2026-08-06

Battery storage moves to the top

For a company whose keyword ledger has spent two years anchored on "Program Management," "tax benefit," and "New York," the single most telling datapoint this quarter is that Battery storage — ranked 23rd just three months earlier — vaulted to the #1 position. It is not NLP noise. Management is deliberately re-anchoring the narrative: the same Q2 call that posted 33% contract-revenue growth to $231M makes battery storage the strategic pivot for grid flexibility, peaker-plant displacement, and the spiky load profiles of AI training clusters.

Utilities and hyperscalers alike are responding with the increased investment in large-scale battery storage.
Mike Bieber, President and CEO · 2026-08-06

The commercial push Bieber began on taking the CEO seat in early 2024 is now a visible third leg. Commercial revenue is roughly a quarter of the business, and APG — the commercially-focused substation and power-block arm — is projected to nearly triple this year to roughly $75M. Bieber frames it via speed-to-power economics: "Speed to power is the primary factor determining where data centers will be located," with Texas an early winner (the quarter included a $15M Texas battery-storage award, a $31M biogas microgrid, and a $6M Illinois substation). The data-center load thesis has been in Willdan's deck every quarter since 2024, but the execution is new: Burton, closed May 4, has already produced Walgreens, Carter's, and Five Below as cross-sell wins within one quarter.

A margin inflection at scale

The deeper change is on the profit line. Adjusted EBITDA rose 51% to a record $33M, a 28.2% margin on net revenue. As Kim Early put it: “This 28.2% is the highest quarterly margin in the company's history.” — Kim Early, Executive Vice President and CFO · 2026-08-06 This is the payoff of a deliberate multi-year arc — on the May call, Bieber told Craig Irwin he was confident of "high 20s" margins.

We're performing very well, and we've got a lot of confidence that we'll be able to get this into the high 20s.
Michael Bieber, President and Chief Executive Officer · 2026-05-08

The mechanism is operating leverage plus mix: G&A fell to 29.3% of contract revenue from 32.6%, and lower-margin commercial project work carries a lower overhead rate, lifting EBITDA margin even as gross margin dipped 150bp. Management is honest that Q2 pulled some revenue forward ("some acceleration of revenues that will impact the second half"), guiding 2026 to ~25% adjusted EBITDA margin (up from 21.8% in 2025) rather than extrapolating the record quarter straight-line. Fundamentals confirm the direction — Q1 gross margin printed 40.7%, up 2.9pp year over year. Yet the guidance discipline drew pushback. New Wedbush lead analyst Steven Wahrhaftig pressed the "overly conservative" raise — Q2 alone beat by ~$50M on revenue and ~$10M on EBITDA. Bieber's answer reduces to a single variable: the LADWP ramp.

Los Angeles, cash, and a stubborn drawdown

Los Angeles is a genuine confluence point — it is both a top-7 WLDN keyword and a top-5 global keyword this quarter. The $110M LADWP solar streetlight expansion redeems a February promise: “I think you'll see a material contribution to that contract starting Q2 of this year.” — Michael Bieber, President and Chief Executive Officer · 2026-02-27 The question now is ramp speed. “That contract's going to ramp up and could be our largest customer in 2027.” — Mike Bieber, President and CEO · 2026-08-06 The balance sheet stays the quiet differentiator — strong cash flow is WLDN's #2 keyword this quarter: $71M of operating cash flow in the trailing twelve months, net debt of $33M (0.3x EBITDA), and $165M of liquidity after $50M of acquisition outlays. Net cash improved 70% year over year. The headline free-cash-flow line swung to -$30M in Q1, but that is Burton cash-spend rather than operational erosion, and the $34M deferred-tax cushion from the sunset 179D provision means no cash tax checks for years. APG, Bieber reminded analysts in May, was on track “more than double. They might even approach tripling this year” — Michael Bieber, President and Chief Executive Officer · 2026-05-08 — now confirmed. Here is the tension worth watching: a record quarter, record margin, and raised guidance — yet the equity sits 36% below its January peak of $134.94. The 90-day tape is firming (+9.4%) and price-to-revenue has cooled to 1.7x from a 2.2x peak. The market is pricing in exactly the skepticism the analysts voiced: can 28% margins hold against a pulled-forward quarter, will LADWP ramp as promised, and can commercial growth offset a utility base mid-architecture? “We do seem to be right now at the right place at the right time.” — Mike Bieber, President and CEO · 2026-08-06 The numbers support that; the tape has yet to fully concede it.