Monthly electricity market report · MIBEL
Iberian electricity market — March 2026
Day-ahead price, demand and generation mix · ESIOS and OMIE data
Average price
41.8 €
▲ +154.5% vs February 2026
Average demand
28.5 GW
▼ −3.3% vs February 2026
Renewables
65%
▲ +2 pp YoY · CO₂-free 82%
Negative periods
486
▲ +153% YoY
Day-ahead market price
The day-ahead market averaged 41.8 €/MWh, +154.5% versus February 2026. In perspective it sits −33.2% against the 12-year March average (62.5 €/MWh): a somewhat cheap month. The year-on-year figure (−21.3% vs March 2025) is distorted by an anomalous base.
Hourly month heatmap
Daily average price comparison
Demand
Peninsular demand averaged 28.5 GW, −3.3% on February 2026 and +3.3% YoY, peaking at 37.0 GW.
Generation mix
On about 22.8 TWh scheduled (P48), renewables made up 65% and CO₂-free generation 82%.
Generation mix
Historical context
March · €/MWh
Methodology
Price: ESIOS indicator 600 (Spain). Demand: ESIOS indicator 1293 (peninsular). Mix: P48 schedule by technology (REE/ESIOS), best estimate at month close — metered generation is published later; the check against the most recent metered month shows differences below 1%. Peninsular scope, full calendar month.
© datons · Iberian electricity market — March 2026 · ESIOS (Red Eléctrica) · OMIE