On guarantees of origin (GO) auctions for electricity held on 28 April, a total of 313,162 guarantees of origin (GOs) offered by HROTE and ENNA Next were fully sold. The auctions were organized as six parallel sessions, with wind, biogas, biomass and solar GOs traded through the CROPEX trading platform IT system.
HROTE sold 258,578 GOs from wind power plants for electricity produced in Q1 2026 at a price of 1.32 €/GO, alongside 30,483 GOs from biomass power plants for the same production period at 1.26 €/GO. These volumes represented the largest share of the auction activity, driven primarily by wind generation assets.
ENNA Next sold several smaller but diversified batches of guarantees of origin. This included 15,026 GOs from Croatian wind power plants (production in January and February 2026) at 1.30 €/GO, as well as 8,082 GOs from German wind power plants (Q1 2026 production) at a higher price of 1.45 €/GO, reflecting stronger valuation for imported renewable certificates.
Additional volumes included 360 GOs from biogas plants, 296 GOs from solar plants, and 337 GOs from biomass plants, all produced between December 2025 and February 2026, and all sold at 1.22 €/GO.
Overall, the auction results highlight steady demand for renewable-backed certificates, with wind energy guarantees dominating trading volumes, while price differentiation across technologies and geographies reflects varying market perceptions of renewable origin value.
