Monthly electricity market report · MIBEL

Iberian electricity market — September 2024

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

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Average price

72.6 €

▼ −20.2% vs August 2024

Average demand

25.8 GW

▼ −8% vs August 2024

Renewables

55%

▲ +11 pp YoY · CO₂-free 79%

Negative periods

YoY

Day-ahead market price

The day-ahead market averaged 72.6 €/MWh, −20.2% versus August 2024. In perspective it sits −4.3% against the 10-year September average (75.9 €/MWh): a broadly normal month. The year-on-year figure (−29.7% vs September 2023) is distorted by an anomalous base.

Hourly month heatmap

Hour ↑ · Day of month → -1 €/MWh · 176 €/MWh

-1 €/MWh

176 €/MWh

Daily average price comparison

Day of month · €/MWh

Demand

Peninsular demand averaged 25.8 GW, −8% on August 2024 and +1.3% YoY, peaking at 33.6 GW.

Hour · GW

Generation mix

On about 20.5 TWh scheduled (P48), renewables made up 55% and CO₂-free generation 79%.

Generation mix

Nuclear

Eólica

Solar fotovoltaica

Ciclo combinado

Hidráulica

Cogeneración

Solar térmica

Nuclear

24.2% +9%

Wind

21.9% +27%

Solar PV

20.5% +24%

CCGT

10.9% −47%

Hydro

8.8% +68%

Cogeneration

6.5% −9%

Solar thermal

2.4% +22%

Pumped-storage

1.5% +16%

Other renewables

1.5% +5%

Coal

1.4% −27%

Other

0.3%

Fuel / gas

0.0%

Historical context

156

141

103

September · €/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.