Grape Solar
Corporate brand
UnclaimedGrape Solar is a U.S.-based renewable-energy brand focused on solar photovoltaic modules and solar power kits for on-grid and off-grid applications.
Last updated August 31, 2026
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Overview
Grape Solar is a renewable-energy company headquartered in Eugene, Oregon, whose business centers on the manufacturing and marketing of solar photovoltaic products. The brand supplies solar panels and packaged solar power kits intended for both grid-connected and off-grid applications. Its products have been distributed through major retail channels, including Home Depot, Costco, and Amazon, giving the company a consumer-oriented route to market in addition to the traditional solar-equipment supply chain. The company was originally known as Centron Solar. It adopted the Grape Solar name following a legal dispute with the German solar company Centrosolar, according to the company's Wikipedia account. This renaming was an important early turning point because it established the identity under which the business became known in the U.S. retail solar market. Grape Solar was founded by Ocean Yuan, a naturalized U.S. citizen originally from China. Publicly available reference material identifies Yuan as the founder but does not provide a founding year, detailed ownership information, a corporate parent, or a complete executive history. Those fields therefore remain unspecified here. The company manufactures a range of photovoltaic modules for different installation contexts. Its portfolio is described as covering a full line of solar modules for on-grid and off-grid use, with solar kits designed to simplify the purchase and deployment of components by consumers and small-scale users. One product specifically highlighted in reference material is a 180-watt module using 36 cells. It was described as having the highest efficiency among 36-cell solar modules available to consumers at the time of the referenced account. Grape Solar's positioning combines renewable-energy equipment with accessible retail distribution. Rather than being documented primarily as a utility-scale developer or an electricity retailer, it is presented as a manufacturer and marketer of hardware: photovoltaic panels, kits, and related solar solutions. Its presence through warehouse retail, home-improvement retail, and e-commerce channels suggests an emphasis on making solar equipment available to residential, do-it-yourself, and small-project customers, although the available source does not provide detailed sales figures, market-share data, current product catalogs, or geographic expansion plans. Because the supplied reference material is brief and does not establish current corporate ownership, leadership beyond the founder, financial performance, listing status, or present operating status, those aspects should not be inferred. The company is best documented as a U.S.-based solar-equipment brand with a history of retail distribution and an early name change connected to litigation involving its former name.
History
Grape Solar is an American solar-equipment company based in Eugene, Oregon. Its documented business focus is the manufacture and marketing of solar photovoltaic modules and solar power kits. The products are intended for both on-grid and off-grid applications, placing the company within the equipment-manufacturing segment of the renewable-energy industry rather than the electricity-generation or utility-development segments. The business was founded by Ocean Yuan, described in the reference material as a naturalized U.S. citizen originally from China. The available account does not state the company's founding year and does not provide a detailed chronology of its early operations, production facilities, financing, or ownership. It does, however, identify a significant naming event in the company's history. Before operating under the Grape Solar name, the business was known as Centron Solar. Following a lawsuit involving Centrosolar, a German solar company, it was required to change its name. The adoption of Grape Solar therefore represents both a rebranding step and a response to a legal naming conflict. Under the Grape Solar identity, the company developed a retail-oriented distribution model. Its solar power kits were made available through well-known consumer and online retailers, including Home Depot, Costco, and Amazon. This channel strategy distinguished the brand from solar manufacturers whose products are sold mainly through specialist distributors or project developers. Retail availability can make solar equipment more visible to homeowners, do-it-yourself customers, and small-scale installers, although the supplied material does not quantify the brand's retail sales or market share. The company's product range is described as a full line of photovoltaic modules for on-grid and off-grid use. Solar kits form another important part of the offering, packaging equipment for particular installation needs rather than selling only individual modules. A notable product cited in the reference material is a 180-watt, 36-cell solar module. At the time described, it was characterized as the highest-efficiency 36-cell module available in the consumer market. The source does not provide the module's launch date, technical efficiency percentage, current availability, or subsequent replacement products, so no further product-performance claims can be established here. Grape Solar's documented market identity is consequently that of an accessible solar-hardware brand: it combines photovoltaic manufacturing with consumer-facing marketing and broad retail distribution. The available sources do not establish whether the company remains active, whether its product range has changed, who currently owns it, or whether Ocean Yuan continues to hold an operating role. They also do not provide verified financial figures, public-listing information, international subsidiaries, or a complete list of executives. These gaps are retained rather than filled with assumptions.
Company founded by Ocean Yuan
[1]Ocean Yuan founded the business that later operated under the Grape Solar name. The available reference does not specify the year.
Centron Solar renamed Grape Solar
[1]The company changed its name from Centron Solar after a lawsuit involving German solar company Centrosolar.
Solar kits entered major retail channels
[1]Grape Solar solar power kits became available through retailers including Home Depot, Costco, and Amazon.
Products and positioning
Consumer-accessible solar equipment brand offering photovoltaic modules and packaged solar power kits through major retail and e-commerce channels.
Solar panels
Photovoltaic modules
Grape Solar manufactures photovoltaic modules for a range of on-grid and off-grid applications. The modules form the core hardware offering of the brand and are marketed for use in consumer and small-project solar installations. The available reference describes the company as producing a full line, but does not provide a complete model list, current specifications, or confirmed availability by market.
Solar power systems
Solar power kits
Grape Solar sells packaged solar power kits intended for both grid-connected and stand-alone applications. The kits are distributed through consumer and online retail channels, including Home Depot, Costco, and Amazon, and are positioned as a more accessible way to purchase solar equipment. The supplied material does not identify the kit configurations, included components, or current product status.
Solar panel
180W 36-cell solar module
The 180-watt module is the specific Grape Solar product highlighted in the available reference. It uses 36 photovoltaic cells and was described at the time as having the highest efficiency among 36-cell solar modules available to consumers. The source does not state when it launched, give a numerical efficiency rating, or confirm whether the product remains in the current portfolio.
Brand decisions
- Adoption of the Grape Solar nameOther
Background
The company formerly operated as Centron Solar and faced a lawsuit involving Centrosolar, a German solar company.
Action taken
The business changed its name to Grape Solar.
Aftermath
Grape Solar became the company's documented operating and market identity. The available source does not describe the legal outcome beyond the name change or quantify its business effects.
Sources1 sources
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