Portugal electricity prices in May 2025
Every day of May 2025 in Portugal: the average, lowest and highest wholesale price, negative-price hours, and how the month compares with the one before and with last year.
In May 2025, the wholesale market price in Portugal averaged €0.027 per kWh. The cheapest day was 11 May 2025 (€0.007), the most expensive 30 May 2025 (€0.053); the price was below zero for 4 hours.
| Date | Average | Low | High |
|---|---|---|---|
| 1 May 2025 | 0.019 | 0.005 | 0.055 |
| 2 May 2025 | 0.016 | 0.003 | 0.064 |
| 3 May 2025 | 0.016 | 0.000 | 0.057 |
| 4 May 2025 | 0.021 | 0.006 | 0.036 |
| 5 May 2025 | 0.044 | 0.030 | 0.063 |
| 6 May 2025 | 0.048 | 0.036 | 0.065 |
| 7 May 2025 | 0.048 | 0.031 | 0.080 |
| 8 May 2025 | 0.042 | 0.029 | 0.080 |
| 9 May 2025 | 0.036 | 0.025 | 0.080 |
| 10 May 2025 | 0.015 | 0.000 | 0.037 |
| 11 May 2025 | 0.007 | 0.000 | 0.035 |
| 12 May 2025 | 0.030 | 0.006 | 0.122 |
| 13 May 2025 | 0.052 | 0.020 | 0.128 |
| 14 May 2025 | 0.040 | 0.006 | 0.092 |
| 15 May 2025 | 0.021 | 0.004 | 0.035 |
| 16 May 2025 | 0.013 | 0.000 | 0.041 |
| 17 May 2025 | 0.017 | 0.005 | 0.057 |
| 18 May 2025 | 0.012 | −0.001 | 0.041 |
| 19 May 2025 | 0.016 | 0.002 | 0.038 |
| 20 May 2025 | 0.019 | 0.002 | 0.054 |
| 21 May 2025 | 0.025 | 0.005 | 0.051 |
| 22 May 2025 | 0.008 | 0.001 | 0.024 |
| 23 May 2025 | 0.008 | 0.004 | 0.031 |
| 24 May 2025 | 0.013 | 0.003 | 0.052 |
| 25 May 2025 | 0.012 | 0.000 | 0.035 |
| 26 May 2025 | 0.022 | 0.004 | 0.076 |
| 27 May 2025 | 0.038 | 0.010 | 0.111 |
| 28 May 2025 | 0.035 | 0.010 | 0.101 |
| 29 May 2025 | 0.040 | 0.010 | 0.135 |
| 30 May 2025 | 0.053 | 0.015 | 0.130 |
| 31 May 2025 | 0.049 | 0.004 | 0.107 |