Generac Holdings Inc., commonly known as Generac, is an American manufacturer of energy technology solutions headquartered in Waukesha, Wisconsin. Founded in 1959, the company is publicly traded on the New York Stock Exchange under the ticker symbol GNRC and is an S&P 500 component. As of 2024, Generac reported approximately 9,239 employees and a trailing 12-month revenue of $4.33 billion as of March 31, 2026. The company's market capitalization was $16.3 billion as of May 15, 2026.
Generac designs, manufactures, and distributes a wide array of power generation equipment and energy technology products for residential, light commercial, and industrial markets. Its offerings include residential automatic standby generators, portable and inverter generators, battery storage systems, and smart home energy solutions. For commercial and industrial sectors, Generac provides cleaner-burning natural gas-fueled generators, light towers, mobile generators, commercial mobile pumps, heaters, dust-suppression equipment, and battery energy storage systems. The company also produces outdoor power equipment such as trimmers and pressure washers, and recently expanded into solutions for the data center market.
Generac Holdings Inc. operates as an operating company focused on manufacturing and distributing its products. In patent litigation, the company's posture, according to tracked data, indicates an active role as a plaintiff in challenging patents. All of its tracked cases are in the Patent Trial and Appeal Board (PTAB), where it has appeared as a plaintiff in one instance and zero times as a defendant.
The company's single tracked case is Generac Power Systems, Inc., et al. v. Unknown Patent Owner, filed on 2025-08-19 in the PTAB. This case aligns with Generac acting as a petitioner in inter partes review (IPR) proceedings, which are challenges to the validity of existing patents. Publicly available information indicates that Generac Power Systems, Inc. has initiated IPRs, specifically against Champion Power Equipment, Inc., regarding claim construction inconsistencies between district court and PTAB proceedings.