Monthly electricity market report · MIBEL

Iberian electricity market — April 2021

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

Average price

65.0 €

+43.1% vs March 2021

Average demand

26.3 GW

−6.2% vs March 2021

Renewables

48%

−2 pp YoY · CO₂-free 71%

Negative periods

0

YoY

Day-ahead market price

The day-ahead market averaged 65.0 €/MWh, +43.1% versus March 2021. In perspective it sits +81.6% against the 7-year April average (35.8 €/MWh): a somewhat expensive month. The year-on-year figure (+268.4% vs April 2020) is distorted by an anomalous base.

Hourly month heatmap

1
5
9
13
17
21
25
29
00
02
04
06
08
10
12
14
16
18
20
22
Hour ↑ · Day of month → 1 €/MWh · 94 €/MWh
1 €/MWh
94 €/MWh

Daily average price comparison

04080
Day of month · €/MWh

Demand

Peninsular demand averaged 26.3 GW, −6.2% on March 2021 and +16.6% YoY, peaking at 33.0 GW.

02040
Hour · GW

Generation mix

On about 18.9 TWh scheduled (P48), renewables made up 48% and CO₂-free generation 71%.

Generation mix

Nuclear22.2%
Nuclear
Eólica
Ciclo combinado
Hidráulica
Cogeneración
Solar fotovoltaica
Otras renovables
Nuclear
22.2% +3%
Wind
22.1% +16%
CCGT
15.3% +77%
Hydro
14.1% −7%
Cogeneration
11.7% +13%
Solar PV
8.7% +47%
Other renewables
2.1% +15%
Solar thermal
1.5% +38%
Coal
1.5% −17%
Pumped-storage
0.8% −38%
Other
0.0%
Fuel / gas
0.0%

Historical context

26
14
45
15
24
16
44
17
43
18
50
19
18
20
65
21
192
22
74
23
14
24
27
25
42
26

April · €/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 — April 2021 · ESIOS (Red Eléctrica) · OMIE

Subscribe to our newsletter

Get weekly insights on data, automation, and AI.

© 2026 Datons. All rights reserved.