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Note 1 - Description of Business | 12 Months Ended
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Dec. 31, 2025
Notes to Financial Statements |
Business Description and Basis of Presentation [Text Block] |
1. | Description of Business
Founded in 1959, Generac Holdings Inc. (the Company) is a leading global designer, manufacturer, and provider of a wide range of energy technology solutions. The Company provides power generation equipment, energy storage systems, energy management devices & solutions, and other power products and services to the residential, commercial, data center, telecom, rental, and industrial markets. Generac’s power products and solutions are available globally through a broad network of independent dealers, distributors, retailers, e-commerce partners, wholesalers, and equipment rental companies, as well as sold direct to certain end user customers. Over the years, the Company has executed a number of acquisitions that support its strategic plan (refer to Item 1 in this Annual Report on Form 10-K for discussion of the Company's “Powering a Smarter World” strategic plan). A summary of acquisitions affecting the reporting periods presented include:
| ● |  | In November 2024, the Company acquired Wolverine Power Systems (Wolverine), headquartered in Zeeland, Michigan. Wolverine is an industrial and residential generator distributor as well as a provider of maintenance and repair services.
| ● |  | In August 2024, the Company acquired the assets and liabilities of Ageto, LLC (Ageto). Ageto designs and integrates microgrid control solutions and is headquartered in Fort Collins, Colorado.
| ● |  | In June 2024, the Company closed on the acquisition of the Commercial & Industrial Battery Energy Storage System (C&I BESS) product offering from SunGrid Solutions Inc. located in Cambridge, Canada.
| ● |  | In April 2024, the Company acquired Huntington Power Equipment, Inc. (Huntington), headquartered in Shelton, Connecticut. Huntington is an industrial and residential generator distributor as well as a provider of maintenance and repair services.
| ● |  | In February 2023, the Company acquired REFUstor, headquartered in Pfullingen, Germany. REFUstor is a developer and supplier of battery storage hardware products, advanced software, and platform services for the commercial and industrial energy storage market, primarily in Europe.

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- Definition The entire disclosure for the business description and basis of presentation concepts. Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483426/235-10-50-4 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 205 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/205/tableOfContent + Details
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