Plug Power (NASDAQ: PLUG) saw its shares decline 3.7% on Tuesday, trading at $2.08 by 13:33 EDT, after the hydrogen fuel cell company disclosed that it still has $944.1 million in at-the-market (ATM) equity capacity. This figure represents a substantial 32.5% of the company's current market value of approximately $2.91 billion, casting a shadow over its ongoing turnaround efforts.
The announcement comes at a critical juncture for Plug Power, which has been working to improve its financial performance. In the second quarter, the company reported a significant improvement in gross margin, which rose to minus 0.9% from minus 30.7% in the same period last year. However, the lingering ATM program—which allows the company to sell new shares into the market—has raised concerns among investors about potential dilution.
At the current share price, the remaining ATM capacity equates to roughly 454 million shares, representing about 32.6% of Plug's weighted-average share count for the second quarter. This calculation is illustrative and does not account for fees or potential pricing effects, but it underscores the magnitude of the equity overhang.
Operational Improvements vs. Cash Burn
Despite the equity concerns, Plug Power has made notable operational strides. Second-quarter revenue increased 2.5% year-over-year to $178.3 million, while the company narrowed its gross loss to just $1.7 million, compared with a $53.5 million loss in the prior-year quarter. The equipment segment achieved a positive margin of 1.9%, a stark contrast to the negative 18.3% a year ago.
Service revenue surged 82% to $29.8 million, and the company delivered 1,666 GenDrive units, up from 739 in the same quarter last year. Chief Executive Jose Luis Crespo touted the results as evidence that Plug Power is "executing its transformation."
Uneven Margin Recovery
However, the headline margin improvement masks underlying challenges. Excluding a $15.7 million benefit from service contracts, the gross loss would have been approximately $17.3 million, translating to a negative 9.7% margin. The power contracts and hydrogen fuel segments continued to post losses, with margins of minus 30.0% and minus 48.2%, respectively, though both improved from the prior year.
Liquidity remains a pressing issue. In the first six months of the year, Plug Power consumed $244.1 million in operating cash, which is 1.5 times its unrestricted cash balance as of June 30. The company subsequently raised $40 million by selling infrastructure assets in Texas, providing some relief.
Market Context and Peer Performance
The broader hydrogen sector also faced headwinds on Tuesday. Ballard Power Systems (NASDAQ: BLDP) declined 3.0%, FuelCell Energy (NASDAQ: FCEL) fell 2.2%, and Bloom Energy (NYSE: BE) edged down 0.4%. The S&P 500 ETF (NYSEARCA: SPY) slipped 0.7%.
Plug Power's stock has traded between $1.41 and $4.58 over the past 52 weeks, reflecting the volatility and uncertainty surrounding the company's path to profitability.
Guidance and Outlook
Management has lifted its 2026 revenue growth outlook to a range of 15% to 16%, and reiterated its goal of achieving positive EBITDA in the fourth quarter. However, these projections are subject to market conditions and the company's ability to access its equity programs. The filing notes that capital availability could be less favorable than expected.
Risks remain elevated. Accelerated project conversions or lower hydrogen costs could boost margins, but setbacks, soft pricing, or additional equity issuance could weigh on cash flow and dilute existing shareholders. As Plug Power navigates its turnaround, the market will closely watch its ability to balance growth with financial discipline.



