Weekly average price changes in major European markets
Weekly average electricity prices increased across most major European markets in the fourth week of September, with Italy the only exception. The Nordic market recorded the largest rise, with prices up 35%, followed by Great Britain, where prices climbed 31%. Gains were also reported in the Netherlands (+18%), Belgium (+17%), Germany (+14%) and France (+12%). Spain and Portugal posted smaller increases at 9.7% and 10%, while Italy fell by 6.7%.
Even with the decline, Italy recorded the highest weekly average price at €201.47/MWh. The Nordic region remained the lowest-priced market, averaging €109.72/MWh. Among other markets covered by AleaSoft Energy Forecasting, weekly averages ranged from €144.87/MWh in Spain to €176.70/MWh in Great Britain.
Peak and low levels during the week
Most markets reached their weekly price peaks on Tuesday, September 22. Great Britain recorded €230.16/MWh, the highest level among the markets analyzed and its highest since January 23, 2025. Germany and the Netherlands also exceeded €220/MWh, reaching €226.18/MWh and €223.94/MWh, respectively, while Belgium peaked at €211.18/MWh.
Italy’s weekly peak occurred on Monday, September 21, at €224.23/MWh, with prices staying above €200/MWh from Monday through Friday. France, Portugal and Spain set their weekly highs on Friday, September 25, at €161.52/MWh, €161.38/MWh and €158.92/MWh, respectively.
The lowest point of the week was recorded in the Nordic region at €52.11/MWh on Monday, September 21. On Sunday, September 27, prices declined across all analyzed markets compared with the previous day. France, Portugal, Spain, Great Britain, Belgium and the Netherlands logged their weekly lows that day, with values ranging from €113.65/MWh in Spain to €118.54/MWh in Great Britain.
The Nordic market remained the lowest-priced throughout that period as well, with a Sunday low of €56.07/MWh.
Wind generation effects and next-week price outlook
AleaSoft Energy Forecasting linked higher electricity prices in most markets to lower wind power generation alongside falling gas prices. In Great Britain and Portugal, stronger electricity demand added upward pressure on prices despite lower gas costs . In Italy, higher wind generation combined with lower demand contributed to the decline in electricity prices .
AleaSoft Energy Forecasting also projected price movements for the week beginning September 28. The forecast points to higher electricity prices across most analyzed European markets . Italy and Great Britain are identified as main exceptions, with prices expected to decline in both markets .
