Monthly report · day-ahead marketElectricity prices in Portugal, May 2025
In May 2025, electricity on the day-ahead market in Portugal cost an average of €0.026/kWh (€25.79/MWh); with taxes, network charges and a sample supplier margin, the estimated final price was around €0.131/kWh.
That is 16% less than in May 2024.
The cheapest day was Thursday, 22 May 2025, averaging €0.007/kWh; the most expensive was Friday, 30 May 2025 at €0.050/kWh.
The lowest price came on 18 May 2025 at 15:00 (-€0.001/kWh), the highest on 29 May 2025 at 20:00 (€0.135/kWh). In total, prices were below zero for 4 hours.
On an average day, the cheapest three hours were 14:00–17:00. Weekends were on average 41% cheaper than weekdays.
Compared with
- Previous month (April 2025)
- €0.026 ▼
- Same month last year
- €0.031 ▼
- Weekdays
- €0.029
- Weekends
- €0.017
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 May Thursday | €0.019 | €0.005 14:00 | €0.055 20:00 | – | €0.123 |
| 2 May Friday | €0.014 | €0.003 02:00 | €0.064 20:00 | – | €0.117 |
| 3 May Saturday | €0.017 | €0.000 15:00 | €0.057 20:00 | – | €0.121 |
| 4 May Sunday | €0.021 | €0.006 15:00 | €0.036 23:00 | – | €0.125 |
| 5 May Monday | €0.044 | €0.030 15:00 | €0.063 10:00 | – | €0.154 |
| 6 May Tuesday | €0.048 | €0.036 04:00 | €0.065 20:00 | – | €0.159 |
| 7 May Wednesday | €0.049 | €0.031 04:00 | €0.080 20:00 | – | €0.160 |
| 8 May Thursday | €0.042 | €0.029 04:00 | €0.080 20:00 | – | €0.151 |
| 9 May Friday | €0.034 | €0.025 02:00 | €0.080 20:00 | – | €0.142 |
| 10 May Saturday | €0.014 | €0.000 15:00 | €0.037 20:00 | – | €0.117 |
| 11 May Sunday | €0.007 | €0.000 14:00 | €0.035 20:00 | – | €0.108 |
| 12 May Monday | €0.028 | €0.006 12:00 | €0.122 20:00 | – | €0.134 |
| 13 May Tuesday | €0.050 | €0.020 15:00 | €0.128 20:00 | – | €0.161 |
| 14 May Wednesday | €0.040 | €0.006 16:00 | €0.092 06:00 | – | €0.149 |
| 15 May Thursday | €0.020 | €0.004 18:00 | €0.035 06:00 | – | €0.124 |
| 16 May Friday | €0.014 | €0.000 07:00 | €0.041 21:00 | – | €0.116 |
| 17 May Saturday | €0.016 | €0.005 13:00 | €0.057 21:00 | – | €0.119 |
| 18 May Sunday | €0.012 | -€0.001 15:00 | €0.041 21:00 | 4 | €0.114 |
| 19 May Monday | €0.015 | €0.002 17:00 | €0.038 20:00 | – | €0.118 |
| 20 May Tuesday | €0.017 | €0.002 17:00 | €0.054 21:00 | – | €0.121 |
| 21 May Wednesday | €0.023 | €0.005 15:00 | €0.051 20:00 | – | €0.128 |
| 22 May Thursday | €0.007 | €0.001 07:00 | €0.024 20:00 | – | €0.108 |
| 23 May Friday | €0.008 | €0.004 07:00 | €0.031 20:00 | – | €0.109 |
| 24 May Saturday | €0.012 | €0.003 07:00 | €0.052 21:00 | – | €0.114 |
| 25 May Sunday | €0.011 | €0.000 15:00 | €0.035 21:00 | – | €0.113 |
| 26 May Monday | €0.019 | €0.004 13:00 | €0.076 20:00 | – | €0.123 |
| 27 May Tuesday | €0.031 | €0.010 11:00 | €0.111 20:00 | – | €0.138 |
| 28 May Wednesday | €0.034 | €0.010 13:00 | €0.101 21:00 | – | €0.141 |
| 29 May Thursday | €0.040 | €0.010 13:00 | €0.135 20:00 | – | €0.149 |
| 30 May Friday | €0.050 | €0.015 13:00 | €0.130 21:00 | – | €0.161 |
| 31 May Saturday | €0.045 | €0.004 13:00 | €0.107 23:00 | – | €0.155 |
/kWh · Today · Methodology