Monthly electricity market report · MIBEL
Iberian electricity market — May 2021
Day-ahead price, demand and generation mix · ESIOS and OMIE data
Average price
67.1 €
▲ +3.2% vs April 2021
Average demand
25.9 GW
▼ −1.4% vs April 2021
Renewables
52%
▼ −3 pp YoY · CO₂-free 75%
Negative periods
0
YoY
Day-ahead market price
The day-ahead market averaged 67.1 €/MWh, +3.2% versus April 2021. In perspective it sits +64.9% against the 7-year May average (40.7 €/MWh): a somewhat expensive month. The year-on-year figure (+215.9% vs May 2020) is distorted by an anomalous base.
Hourly month heatmap
Daily average price comparison
Demand
Peninsular demand averaged 25.9 GW, −1.4% on April 2021 and +10.4% YoY, peaking at 31.6 GW.
Generation mix
On about 19.4 TWh scheduled (P48), renewables made up 52% and CO₂-free generation 75%.
Generation mix
Historical context
May · €/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 — May 2021 · ESIOS (Red Eléctrica) · OMIE