Greto - Authorised European distributor of renewable energy products

Greto Polska, based in Gdynia, is an authorised distributor supplying installers and contractors with components for photovoltaic and heating systems throughout Europe. Greto offers photovoltaic modules, inverters, EV chargers, heat pumps and tanks, and the distributor's portfolio includes brands such as JA Solar, Trina Solar, Canadian Solar, SolaX Power, Gree and Autel Energy.

The company has offices in Gdynia and Berlin and guarantees fast delivery from 5 warehouses across Europe. The offer is aimed both at distributors making PV micro-installations and investors building photovoltaic farms.

Greto's philosophy is based on partnerships. This has earned the company the trust of hundreds of customers in 23 European countries.


The Greto team consists of qualified specialists who advise customers at every stage of their order. With their help, they can make the best choice for products that meet their needs and budget. The company also strives to be a reliable source of knowledge about the products on offer by organising training courses throughout Poland.

The products Greto offers are among the top in their field. The modules distributed are Tier 1 listed and awarded by PVEL. Greto itself was also recognised for its international expansion at the 2023 Economic Games in the export category.