Hubbell delivered a third straight quarter of raised guidance, but the more important story is the shifting mix of what is driving it. Adjusted earnings of $5.91 per share beat expectations by 0.5%, edging past the $5.88 Earnings Whisper number and the $5.75 consensus. Revenue of $1.873 billion topped the $1.86 billion consensus by 0.7%. Earnings grew 14.3% year over year, while revenue rose 24.6%, helped by acquisitions. Organic growth of 11% accelerated from 10% in the second quarter and 8% in the first. The quarter was strong, but it was not a blowout. Behind the headline, Electrical Solutions is accelerating sharply while Utility Solutions, the historical core of the franchise, is losing steam.
The quality of the beat deserves some scrutiny. GAAP diluted EPS rose only 4%, to $4.94. Two factors explain the gap. Acquisition amortization rose to $0.89 per share from $0.35, and net interest expense more than quadrupled to $58.0 million from $13.6 million after roughly $3 billion of NSI-related acquisition spending this year. Net debt to total capital jumped to 51% from 28% at year-end. GAAP operating margin slipped to 21.8% from 22.0%, even as adjusted operating margin expanded 160 basis points to 25.5%. Working capital also absorbed cash, with receivables and inventories up sharply year to date. Free cash flow still grew to $280 million from $254 million, and management reaffirmed roughly 90% conversion. The adjusted story is real, but it now carries a heavier balance sheet.
Electrical Solutions was the engine. Segment sales rose 51%, with organic growth of 22%, up from 18% in the second quarter and 11% in the first. Data center growth topped 80%, compared with roughly 65% last quarter and 40% in the first quarter. Adjusted segment margin reached 24.8%, up 400 basis points, a sharp reversal from a 130-basis-point decline in the second quarter. NSI is running ahead of plan at accretive margins. Management lifted Electrical organic guidance to 17-18% from 12-14% and pulled an electrical price increase forward to November. Utility Solutions told a different story. Organic growth was 5%, down from 6% in the second quarter and 7% in the first. Grid Automation fell 4%, after a meter component shortage at a contract manufacturer pushed about $15 million of sales into the fourth quarter. The substation control-house ramp was also flat sequentially. Utility organic guidance was cut to 6-7% from 7-9%.
That is the central tension: the growth story is increasingly concentrated in data centers while margin pressure is surfacing elsewhere. Full-year adjusted operating margin guidance slipped to 23.0-23.2% from 23.1-23.4%. Management cited persistent inflation and investment spending. Price-cost was only neutral in the quarter, after positive readings late last year and in the first quarter. The guidance implies a fourth-quarter operating margin decline, driven by utility price-cost neutrality, investment spend, and about $5 million of customer-consideration spillover. Adjusted EPS guidance rose to $20.40-$20.60, but the $0.10 midpoint increase is smaller than the third-quarter beat versus consensus. That supports the view that the raise largely keeps earnings in line with estimates rather than resetting them higher.
Management did offer a credible counterweight in an early 2027 framework. It calls for at least mid-single-digit organic growth, price-cost neutral to positive, and 25-30% incremental margins. Revenue capacity additions are expected to double to roughly $50 million per quarter. Utility backlog has grown by more than $500 million this year, about 30% above where it started, giving unusually strong visibility. The first 765kV transmission project is slated to ship in late 2026 into 2027. The utility slowdown therefore looks more like supply and execution friction than a demand problem. Bears still have legitimate ammunition in soft heavy industrial markets and more modest growth across roughly a fifth of the utility portfolio.
The market setup had already soured before the report. Investor sentiment became more negative, moving from roughly neutral at -0.03 to -0.17. Shares entered the release at $459.40, down 3.1% since the open after the July report. The stock sat 6.0% below its 200-day moving average and 13.2% below its August 12 high of $529.39. It was only 5.9% above an inter-earnings low set just days earlier on October 22. The Earnings Whispers trend readings are mixed: momentum is positive, while price and AVWAP trends remain negative.
The bottom line is that Hubbell is executing well where growth is hottest. Accelerating data center demand, an outperforming NSI deal, and a constructive 2027 preview keep the growth narrative intact. Even so, the utility guidance cut, a trimmed margin range, neutral price-cost, and sharply higher leverage leave a narrower and more data-center-dependent story than the headline raise suggests. With the stock trading near its recent lows and sentiment slipping, investors will likely need evidence that the meter and control-house issues are temporary before the setup improves.