Monthly electricity market report · MIBEL

Iberian electricity market — May 2023

Day-ahead price, demand and generation mix · ESIOS and OMIE data

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Average price

74.2 €

▲ +0.7% vs April 2023

Average demand

23.4 GW

▲ +2% vs April 2023

Renewables

57%

▲ +5 pp YoY · CO₂-free 75%

Negative periods

YoY

Day-ahead market price

The day-ahead market averaged 74.2 €/MWh, +0.7% versus April 2023. In perspective it sits +23.9% against the 9-year May average (59.9 €/MWh): a somewhat expensive month. The year-on-year figure (−60.3% vs May 2022) is distorted by an anomalous base.

Hourly month heatmap

Hour ↑ · Day of month → 0 €/MWh · 148 €/MWh

0 €/MWh

148 €/MWh

Daily average price comparison

Day of month · €/MWh

Demand

Peninsular demand averaged 23.4 GW, +2% on April 2023 and −8.8% YoY, peaking at 29.5 GW.

Hour · GW

Generation mix

On about 20.3 TWh scheduled (P48), renewables made up 57% and CO₂-free generation 75%.

Generation mix

Eólica

Solar fotovoltaica

Nuclear

Ciclo combinado

Cogeneración

Hidráulica

Solar térmica

Wind

26.4% +15%

Solar PV

18.7% +18%

Nuclear

18.5% −8%

CCGT

13.5% −12%

Cogeneration

8.5% −10%

Hydro

7.3% −23%

Solar thermal

2.5% −22%

Pumped-storage

1.8% +28%

Other renewables

1.7% −16%

Coal

1.2% −54%

Fuel / gas

0.0%

Other

0.0%

Historical context

187

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.