Electricity.Trade’s May 2026 market analysis highlights Greece as one of the most distinctive electricity markets in Southeast Europe. The country recorded the lowest average day-ahead price among interconnected EU markets in the region at €88.98/MWh, up just 0.29% from April and 8.59% higher than in May 2025. Although Greece traded below Bulgaria, Serbia, Croatia, Hungary, Romania and Italy, its relatively lower prices did not diminish its regional importance. Instead, the country emerged as a major electricity exporter, demonstrating the growing influence of its renewable-based generation portfolio.
Greece recorded 874.20 GWh of net electricity exports during May. The country imported electricity from Albania and Türkiye, while exporting to North Macedonia and Bulgaria, with no recorded electricity trade with Italy. The largest cross-border flow was directed to Bulgaria, where exports reached 666.23 GWh, underscoring Greece’s increasingly important role in supplying neighbouring Southeast European markets.
The country’s generation mix played a decisive role in supporting these exports. Electricity production consisted of 57.19% renewables, 28.11% natural gas, 8.42% hydropower and 4.29% coal and lignite. Renewable generation increased by 15.88%, while hydropower output surged by 40.80% to 408.78 GWh, benefiting from improved precipitation. Electricity demand also rose by 2.44%, indicating that Greece’s export surplus was driven by stronger domestic generation rather than weaker consumption. The combination of abundant renewable and hydro production enabled the country to meet higher domestic demand while maintaining significant electricity exports.
For electricity traders, Greece’s market performance illustrates the growing value of renewable-rich systems supported by flexible hydropower resources. Competitive wholesale prices allowed Greek electricity to flow into neighbouring markets, particularly Bulgaria, while natural gas continued to provide balancing capacity without dominating the generation mix. This market structure creates favourable conditions for cross-border and intraday trading, with renewable output influencing hourly price patterns and hydropower providing additional operational flexibility.
Overall, May 2026 demonstrated that Greece’s energy transition is increasingly reflected in regional electricity trade. High renewable penetration is no longer only a measure of decarbonization but also a key driver of cross-border market dynamics. Strong renewable and hydropower output enabled Greece to become a major exporter, reshaping electricity flows across the Balkans and creating attractive trading opportunities along the Greek-Bulgarian and Greek-North Macedonian interconnection corridors.