Generac’s stock soars more than 30% after Amazon deal cements company’s status as an AI power player

Generac’s stock soars more than 30% after Amazon deal cements company’s status as an AI-power player Generac’s stock soars more than 30% after Amazon deal cements company’s status as an AI-power player First deliveries of backup-power generators are worth $2.4 billion The deal with Amazon is a big step for Generac, a $10 billion company whose residential generators are ubiquitous in big-box stores. Shares of Generac Holdings skyrocketed late Wednesday after the maker of residential and industrial power generators signed a deal of up to $8 billion with Amazon.com for backup-power generators for data centers. said the deal includes initial deliveries of backup-power generators worth $2.4 billion in 2027 and 2028. The deal also included warrants allowing an Amazon subsidiary to buy Generac shares through 2033, the manufacturer said in a late Wednesday filing.

Generac shares rose more than 34% in the after-hours session Wednesday, after ending the regular trading day up less than 0.1%. The deal with Amazon is a big step for Generac, a $10 billion company whose residential generators are ubiquitous in big-box stores like Home Depot , and which also makes products such as EV chargers and solar-battery storage. Don’t Short Yourself offers weekly money tips to help you earn it, stack it and grow it.

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In a July earnings report, it highlighted “continued momentum” for its data-center sales and it pledged to ramp up production for large-megawatt backup generators. The company added that it had a backlog for products serving the data-center market of about $1.6 billion at the time. In a March presentation to investors, the company forecast sales of $1 billion by 2028, calling it a “generational growth opportunity.” Shares of Generac have gained 28% so far this year, compared with gains of around 10% for S&P 500 index Copyright ©2026 MarketWatch, Inc.

All Rights Reserved. 87990cbe856818d5eddac44c7b1cdeb8 Claudia Assis is a San Francisco–based reporter for MarketWatch. Follow her on Twitter @ClaudiaAssisMW. Store brands like Kirkland are winning the war for consumers’ wallets, squeezing out national brands Why optical stocks Lumentum and Coherent were the day’s biggest S&P 500 gainers First Fed rate hike in 3 years: Where to lock in top CD rates now Google is playing a different AI game than everyone else, and Wall Street may be missing the point Intraday Data provided by FACTSET and subject to terms of use.

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