Spain electricity prices in September 2025

Every day of September 2025 in Spain: the average, lowest and highest wholesale price, negative-price hours, and how the month compares with the one before and with last year.

In September 2025, the wholesale market price in Spain averaged €0.061 per kWh. The cheapest day was 6 September 2025 (€0.024), the most expensive 18 September 2025 (€0.096); the price was below zero for 47 hours.

Daily wholesale market prices in Spain, September 2025 (€/kWh)
DateAverageLowHigh
1 September 20250.0410.0000.100
2 September 20250.0600.0000.160
3 September 20250.062−0.0000.133
4 September 20250.0560.0020.113
5 September 20250.0550.0010.103
6 September 20250.024−0.0060.068
7 September 20250.027−0.0060.103
8 September 20250.0760.0320.108
9 September 20250.0640.0070.115
10 September 20250.0510.0000.098
11 September 20250.054−0.0050.138
12 September 20250.075−0.0000.143
13 September 20250.060−0.0020.102
14 September 20250.050−0.0020.125
15 September 20250.0670.0050.117
16 September 20250.0750.0010.205
17 September 20250.0910.0190.224
18 September 20250.0960.0410.197
19 September 20250.0900.0250.126
20 September 20250.063−0.0010.106
21 September 20250.036−0.0010.077
22 September 20250.036−0.0040.110
23 September 20250.049−0.0040.098
24 September 20250.0460.0000.110
25 September 20250.0830.0200.201
26 September 20250.0920.0280.165
27 September 20250.0660.0020.108
28 September 20250.0430.0060.074
29 September 20250.0590.0190.126
30 September 20250.0880.0300.219

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