Eurowind Energy Romania’s Siminoc Hybrid Wind-Solar Park in Constanța County has secured construction permits. The project combines 24.8 MW of wind capacity and 24.8 MW of solar capacity. Total installed capacity is 49.6 MW, with expected annual electricity production of approximately 120 GWh. Construction is scheduled to begin in 2027, with commercial operations expected in 2028.
Hybrid renewables shift in Southeast Europe
The Siminoc project reflects a broader move in Southeast Europe toward hybrid renewable developments rather than single-technology projects. Wind and solar generation are paired to reflect different production patterns within the same facility. This configuration is intended to support grid utilisation and help smooth generation profiles. It also aims to maximise the value of existing network connections.
Hybrid projects are increasingly relevant where grid access is constrained across the region. By combining technologies at one site, developers can generate more electricity from the same infrastructure footprint than standalone assets. The approach also reduces limitations associated with standalone renewable projects under constrained connection conditions.
Dobrogea location and regional energy context
The park is located in Constanța County, within Romania’s Dobrogea region. The county is described as having some of the country’s strongest renewable energy resources. It also occupies a central position within Romania’s transmission network.
Dobrogea is also tied to wider energy transformation developments, including the Neptun Deep gas project and growing offshore energy ambitions in the Black Sea. In that context, Siminoc is positioned as part of a broader restructuring of Romania’s energy system alongside other regional initiatives.
Grid and market considerations for hybrid pipelines
The project is part of Eurowind Energy’s longer-term plan to build a 1 GW renewable portfolio in Romania. For investors, the key issue extends beyond permitting individual projects and into whether Romania’s grid infrastructure and market framework can support a growing pipeline of hybrid assets.
Key determinants for project economics include curtailment risk, grid connection timelines, balancing obligations, and changes in market pricing dynamics. These factors influence how revenues translate under operational constraints and evolving market conditions.
Complexity of new renewable project structures
Siminoc also aligns with a wider trend across Southeast Europe toward more complex renewable project designs. Developers increasingly rely on multiple value layers to remain competitive and bankable as projects scale up.
Hybrid generation combined with energy storage integration, secure grid access, corporate power purchase agreements, and market optimisation strategies are described as becoming essential components of successful developments. Standalone merchant solar projects face increased exposure to midday price compression and revenue volatility, while hybrid configurations are presented as offering greater operational flexibility.
Romania’s demand backdrop and next development phase
Romania remains an attractive renewables market supported by strong electricity demand and industrial consumption growth. The sector also benefits from access to European funding mechanisms and an ongoing need for additional generation capacity.
The market is entering a more demanding phase where success depends less on connecting renewables to the grid alone. Future developments are expected to focus on designing projects that integrate with the evolving power system. Developers able to align technology choices, infrastructure requirements, and market strategy are positioned to shape the next stage of Romania’s renewable expansion.










