Monthly electricity market report · MIBEL

Iberian electricity market — October 2025

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

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Average price

75.8 €

▲ +24.1% vs September 2025

Average demand

25.4 GW

▼ −4.9% vs September 2025

Renewables

52%

▼ −6 pp YoY · CO₂-free 70%

Negative periods

▲ +880% YoY

Day-ahead market price

The day-ahead market averaged 75.8 €/MWh, +24.1% versus September 2025. In perspective it sits −1.9% against the 11-year October average (77.2 €/MWh): a broadly normal month. The year-on-year figure (+10.5% vs October 2024) is distorted by an anomalous base.

Hourly month heatmap

Hour ↑ · Day of month → -2 €/MWh · 218 €/MWh

-2 €/MWh

218 €/MWh

Daily average price comparison

Day of month · €/MWh

Demand

Peninsular demand averaged 25.4 GW, −4.9% on September 2025 and −0.2% YoY, peaking at 32.5 GW.

Hour · GW

Generation mix

On about 21.4 TWh scheduled (P48), renewables made up 52% and CO₂-free generation 70%.

Generation mix

Eólica

Ciclo combinado

Solar fotovoltaica

Nuclear

Hidráulica

Cogeneración

Wind

21.9% −16%

CCGT

20.8% +113%

Solar PV

19.1% +39%

Nuclear

17.2% −20%

Hydro

8.6% −38%

Cogeneration

6.4% +10%

Pumped-storage

1.8% +45%

Other renewables

1.5% +15%

Solar thermal

1.2% +49%

Fuel / gas

1.0%

Other

0.4% +15%

Coal

0.1% −93%

Historical context

200

127

October · €/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.