Monthly report · day-ahead marketElectricity prices in Spain, September 2025
In September 2025, electricity on the day-ahead market in Spain cost an average of €0.061/kWh (€61.04/MWh); with taxes, network charges and a sample supplier margin, the estimated final price was around €0.136/kWh.
That is 11% less than in August 2025 and 16% less than in September 2024.
The cheapest day was Saturday, 6 September 2025, averaging €0.027/kWh; the most expensive was Thursday, 18 September 2025 at €0.097/kWh.
The lowest price came on 6 September 2025 at 14:00 (-€0.001/kWh), the highest on 17 September 2025 at 21:00 (€0.215/kWh). In total, prices were below zero for 32 hours.
On an average day, the cheapest three hours were 14:00–17:00. Weekends were on average 24% cheaper than weekdays.
Compared with
- Previous month (August 2025)
- €0.068 ▼
- Same month last year
- €0.073 ▼
- Weekdays
- €0.065
- Weekends
- €0.050
Wholesale price · /kWh
Price by day
Daily wholesale average; the line marks the monthly average.
/kWh
The average day
Average wholesale price for each hour of the day this month.
/kWh · 14:00–17:00
All days
| Day | Average | Lowest | Highest | Hours < 0 | Final (est.) |
|---|---|---|---|---|---|
| 1 Sept Monday | €0.031 | €0.000 11:00 | €0.100 21:00 | – | €0.110 |
| 2 Sept Tuesday | €0.061 | €0.000 14:00 | €0.160 21:00 | – | €0.149 |
| 3 Sept Wednesday | €0.055 | €0.000 13:00 | €0.133 21:00 | 6 | €0.142 |
| 4 Sept Thursday | €0.056 | €0.002 15:00 | €0.113 21:00 | – | €0.142 |
| 5 Sept Friday | €0.055 | €0.001 15:00 | €0.107 21:00 | – | €0.142 |
| 6 Sept Saturday | €0.027 | -€0.001 14:00 | €0.075 00:00 | 5 | €0.057 |
| 7 Sept Sunday | €0.032 | €0.000 12:00 | €0.112 21:00 | – | €0.063 |
| 8 Sept Monday | €0.076 | €0.027 15:00 | €0.108 08:00 | – | €0.169 |
| 9 Sept Tuesday | €0.064 | €0.009 15:00 | €0.120 21:00 | – | €0.152 |
| 10 Sept Wednesday | €0.052 | €0.000 13:00 | €0.105 21:00 | 4 | €0.137 |
| 11 Sept Thursday | €0.054 | €0.000 11:00 | €0.140 21:00 | 6 | €0.141 |
| 12 Sept Friday | €0.073 | €0.001 15:00 | €0.143 07:00 | – | €0.165 |
| 13 Sept Saturday | €0.061 | €0.000 13:00 | €0.106 21:00 | 2 | €0.100 |
| 14 Sept Sunday | €0.049 | €0.000 14:00 | €0.126 21:00 | 1 | €0.085 |
| 15 Sept Monday | €0.067 | €0.003 14:00 | €0.124 08:00 | – | €0.157 |
| 16 Sept Tuesday | €0.073 | €0.004 15:00 | €0.199 21:00 | – | €0.164 |
| 17 Sept Wednesday | €0.086 | €0.015 14:00 | €0.215 21:00 | – | €0.181 |
| 18 Sept Thursday | €0.097 | €0.044 15:00 | €0.200 21:00 | – | €0.195 |
| 19 Sept Friday | €0.090 | €0.031 14:00 | €0.125 20:00 | – | €0.185 |
| 20 Sept Saturday | €0.066 | €0.001 13:00 | €0.111 21:00 | – | €0.107 |
| 21 Sept Sunday | €0.042 | -€0.001 16:00 | €0.086 00:00 | 4 | €0.077 |
| 22 Sept Monday | €0.035 | €0.000 13:00 | €0.109 21:00 | 4 | €0.115 |
| 23 Sept Tuesday | €0.052 | €0.000 13:00 | €0.105 20:00 | – | €0.137 |
| 24 Sept Wednesday | €0.046 | €0.000 15:00 | €0.116 20:00 | – | €0.131 |
| 25 Sept Thursday | €0.079 | €0.020 14:00 | €0.175 21:00 | – | €0.173 |
| 26 Sept Friday | €0.092 | €0.022 14:00 | €0.160 21:00 | – | €0.188 |
| 27 Sept Saturday | €0.072 | €0.006 15:00 | €0.116 00:00 | – | €0.114 |
| 28 Sept Sunday | €0.049 | €0.009 13:00 | €0.074 20:00 | – | €0.085 |
| 29 Sept Monday | €0.059 | €0.022 14:00 | €0.133 20:00 | – | €0.147 |
| 30 Sept Tuesday | €0.083 | €0.022 13:00 | €0.199 20:00 | – | €0.177 |
/kWh · Today · Methodology