In 2025, the Greek day-ahead electricity market exhibited a moderate rise in prices, averaging 103.6 euros/MWh, according to the annual report from the Hellenic Energy Exchange (HEnEx). This increase reflects a year-on-year growth of 2.7%, positioning Greece as a more affordable market compared to its regional counterparts, such as Bulgaria and Italy, which reported average prices of 106.9 euros/MWh and 115.03 euros/MWh, respectively.
The price fluctuations throughout the year were notable, with February emerging as the peak month at an average of 154 euros/MWh. In contrast, August recorded the lowest average price at 73 euros/MWh. A particularly striking event occurred on May 1st when hourly prices fell to -50 euros/MWh, highlighting the volatility in pricing dynamics.
Electricity demand within the day-ahead market remained relatively stable compared to the previous year, while renewable energy sources saw an increase in volume by 8%. This growth underscores the expanding role of clean energy generation within Greece’s overall energy landscape.
Cross-border electricity trading experienced significant shifts. Imports decreased substantially by 2,833 GWh, marking a decline of 36.8%, whereas exports saw a slight increase of 106 MWh. Consequently, Greece concluded the year with net electricity exports totaling 2,732 GWh. The highest daily trading volume was noted on July 25th, reaching 254 GWh.
The competitive landscape within Greece’s electricity market remains dominated by Public Power Corporation (PPC), which accounted for over half of the total supply at 50.08%. This dominance highlights PPC’s significant role in shaping energy supply dynamics in Greece.
