The Apriltsi solar power project, located in the southern Bulgarian town of Pazardzhik, has completed the installation of over 834,000 PV modules, with a total capacity of 400MW. As of the end of May, 251MW was officially operational, with the remainder undergoing testing prior to cutover. This makes the project not only Bulgaria’s largest solar park, but also the largest in Eastern Europe and the Balkans, capable of powering 96,000 homes.
The plant represents the world’s largest single-site heterojunction project, with Huasun Energy exclusively supplying its HJT modules since 2021.
As a prominent representative of n-type high-efficiency PV products, HJT modules are gaining popularity in the European market for their high conversion efficiency, high power output, high bifaciality, high reliability and low carbon emissions. “We believe that maybe in five years, heterojunction is going to represent the majority of solar panels produced globally,” commented Veselin Zahariev, Chief Financial Officer of Solar Green Energy, the owner of the Apriltsi project.
Huasun VP Matthew Jin added: “We started supplying solar panels for the plant in 2021. This is the first industrial project in Bulgaria built entirely with double-sided HJT solar panels. During their production, we fully complied with the requirements of the engineering team at Inercom – the company that has constructed the high-tech plant. Our partnership with Inercom and Real States in the implementation of the Apriltsi project is sustainable and full-fledged, because we integrated the engineering teams of both companies. It is a privilege for us to have worked with them and together we have built one of Europe’s largest photovoltaic plants with HJT modules. In the long-term cooperation ahead, Huasun will continue to provide high-efficiency heterojunction products at GW-level and above to the Balkans, promoting regional energy transformation.”
With a production capacity of 20 GW in heterojunction technology and a track record of supplying over 5GW of HJT products to more than 40 countries and regions, Huasun remains committed to advancing high-efficiency renewable energy solutions across the Balkans and beyond.
