Romania’s average day-ahead electricity price reached €176.14/MWh in September, up 81.49% year on year. The monthly average increased 16.53% compared with August, when it was €151.16/MWh. Higher wholesale prices contributed to a sharp increase in the value of transactions on OPCOM.
Day-ahead market volumes and transaction value
Day-ahead trading volume reached approximately 1.212 TWh, rising 4.5% year on year and 2.02% month on month. Average hourly traded volume was 1,683.9 MWh. The value of transactions climbed to €211.4 million, up 82.67% from September 2025 and 17.72% from August.
The change in market expenditure reflected a faster increase in transaction value than in volume, indicating that price increases dominated the movement in costs. For buyers exposed to spot procurement, the data indicate substantially higher costs, with outcomes varying by consumption profiles and existing hedges.
Intraday trading and price developments
Intraday trading totaled 138.4 GWh, down 1.97% year on year but up 14.83% from August. The average intraday price was €169.88/MWh, increasing 84.06% year on year and 38.64% month on month.
The September figures also showed higher electricity costs extending beyond the day-ahead auction, increasing the expense of adjusting positions closer to delivery.