FuelCell Energy stock plunges as $225 million offering raises dilution concerns.

The offering was upsized to raise about $225 million and priced at $21 per share for 10,714,286 new shares, a discount to the roughly $25.96 trading level at disclosure that contributed to an after-hours drop of about 17–19% as investors weighed dilution.
The underwriters include Citigroup and Barclays as lead book-running managers, with Oppenheimer, RBC Capital Markets and Goldman Sachs also advising, and a 30-day greenshoe option to purchase about 1.6 million additional shares at the same price.
A strategic deal with Fit Energy covers up to 380 MW of on-site fuel-cell power for data centers, including an initial 30 MW tranche to begin deliveries later this year and performance-based warrants for Fit Energy.
FuelCell said it will expand its Torrington, Connecticut facility to 500 MW of annualized capacity, with an estimated expansion cost of $200–275 million.
FuelCell Energy (NASDAQ: FCEL) priced an upsized public offering of 10.71 million shares at $21 each, raising about $225 million — up from an initial $200 million plan. Investors punished the stock immediately, with shares falling roughly 15% in after-hours trading, according to Yahoo Finance.
The $21 price tag represented a steep discount to the stock's closing price of around $25.96. That gap spooked investors worried about dilution — meaning their existing shares would be worth less as new shares flood the market.
FuelCell's stock dropped sharply after the offering was announced. MarketWatch reported shares fell roughly 13% after the 10.7 million new shares were priced at $21 — well below where the stock had been trading. That discount is the core problem for current shareholders.
Dilution is what happens when a company issues new shares. Each existing share represents a smaller slice of the company. The bigger the discount on the new shares, the sharper the selloff tends to be. With a gap of nearly $5 per share, the market reaction was swift and severe.
Citigroup and Barclays are leading the offering as book-running managers. Oppenheimer, RBC Capital Markets, and Goldman Sachs are also advising on the deal, according to Yahoo Finance. The offering is expected to close around July 9, 2026.
The underwriters also received a 30-day greenshoe option — the right to buy about 1.6 million additional shares at the same $21 price. A greenshoe option lets banks stabilize the stock price after an offering by buying or selling shares depending on market conditions.
FuelCell said it will use the money for manufacturing expansion, working capital, and general corporate purposes. A key part of that plan is expanding its Torrington, Connecticut factory to 500 MW of annualized capacity. That expansion is expected to cost between $200 million and $275 million, according to Proactive Investors.
The company also announced a major deal with Fit Energy to supply up to 380 MW of on-site fuel cell power for data centers. An initial 30 MW tranche is set to begin deliveries later this year. Fit Energy will also receive performance-based warrants as part of the agreement.
FuelCell is betting that surging demand from AI and data centers will drive a need for reliable, on-site power. Fuel cells generate electricity through a chemical process rather than burning fuel, making them a cleaner option for large facilities that need steady power around the clock.
The company continues to burn through cash and has relied on repeated stock offerings to fund its growth. Profitability remains a work in progress. But deals like the Fit Energy agreement and factory expansion show FuelCell is pushing hard to scale up before rivals grab the market, according to Yahoo Finance.
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