Monthly electricity market report · MIBEL

Iberian electricity market — March 2025

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

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Average price

53.1 €

▼ −51% vs February 2025

Average demand

27.5 GW

▼ −2.9% vs February 2025

Renewables

63%

▼ −5 pp YoY · CO₂-free 84%

Negative periods

192

YoY

Day-ahead market price

The day-ahead market averaged 53.1 €/MWh, −51% versus February 2025. In perspective it sits −16.1% against the 11-year March average (63.3 €/MWh): a somewhat cheap month. The year-on-year figure (+161.4% vs March 2024) is distorted by an anomalous base.

Hourly month heatmap

Hour ↑ · Day of month → -5 €/MWh · 197 €/MWh

-5 €/MWh

197 €/MWh

Daily average price comparison

Day of month · €/MWh

Demand

Peninsular demand averaged 27.5 GW, −2.9% on February 2025 and +6.3% YoY, peaking at 36.5 GW.

Hour · GW

Generation mix

On about 23.1 TWh scheduled (P48), renewables made up 63% and CO₂-free generation 84%.

Generation mix

Eólica

Nuclear

Hidráulica

Solar fotovoltaica

Ciclo combinado

Cogeneración

Wind

29.5% +11%

Nuclear

21.0% +39%

Hydro

18.6% −13%

Solar PV

13.3% +1%

CCGT

8.0% +22%

Cogeneration

5.1% −2%

Other renewables

1.3% −5%

Pumped-storage

1.2% −33%

Coal

0.8% −11%

Solar thermal

0.8% +2%

Other

0.4%

Fuel / gas

0.0%

Historical context

283

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.