Monthly report · day-ahead marketElectricity prices in Portugal, May 2026
In May 2026, electricity on the day-ahead market in Portugal cost an average of €0.054/kWh (€54.08/MWh); with taxes, network charges and a sample supplier margin, the estimated final price was around €0.167/kWh.
That is 27% more than in April 2026 and 110% more than in May 2025.
The cheapest day was Sunday, 10 May 2026, averaging €0.020/kWh; the most expensive was Thursday, 7 May 2026 at €0.086/kWh.
The lowest price came on 1 May 2026 at 15:00 (-€0.002/kWh), the highest on 11 May 2026 at 20:30 (€0.210/kWh). In total, prices were below zero for 65.3 hours.
On an average day, the cheapest three hours were 12:00–15:00. Weekends were on average 34% cheaper than weekdays.
Compared with
- Previous month (April 2026)
- €0.042 ▲
- Same month last year
- €0.026 ▲
- Weekdays
- €0.061
- Weekends
- €0.040
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 · 12:00–15:00
All days
| Day | Average | Lowest | Highest | Hours < 0 | Final (est.) |
|---|---|---|---|---|---|
| 1 May Friday | €0.058 | -€0.002 15:00 | €0.110 23:00 | 5.50 | €0.172 |
| 2 May Saturday | €0.044 | €0.000 14:30 | €0.095 20:30 | 1 | €0.154 |
| 3 May Sunday | €0.048 | €0.000 13:45 | €0.107 19:45 | 3.50 | €0.160 |
| 4 May Monday | €0.067 | €0.000 13:30 | €0.138 07:00 | – | €0.183 |
| 5 May Tuesday | €0.064 | €0.000 13:45 | €0.121 07:00 | – | €0.180 |
| 6 May Wednesday | €0.076 | €0.001 10:45 | €0.139 20:15 | – | €0.194 |
| 7 May Thursday | €0.086 | €0.017 13:00 | €0.142 20:30 | – | €0.207 |
| 8 May Friday | €0.065 | €0.000 13:30 | €0.112 23:00 | – | €0.180 |
| 9 May Saturday | €0.034 | €0.000 12:45 | €0.085 23:00 | – | €0.142 |
| 10 May Sunday | €0.020 | -€0.001 14:00 | €0.077 20:30 | 7.50 | €0.125 |
| 11 May Monday | €0.053 | €0.000 15:00 | €0.210 20:30 | – | €0.165 |
| 12 May Tuesday | €0.070 | €0.002 12:30 | €0.127 21:00 | – | €0.186 |
| 13 May Wednesday | €0.049 | €0.000 14:15 | €0.110 20:30 | 1 | €0.161 |
| 14 May Thursday | €0.053 | €0.000 15:00 | €0.111 23:00 | 1 | €0.166 |
| 15 May Friday | €0.038 | €0.000 14:00 | €0.095 21:00 | 1.75 | €0.147 |
| 16 May Saturday | €0.042 | -€0.001 15:00 | €0.114 21:30 | 4.75 | €0.152 |
| 17 May Sunday | €0.046 | €0.000 14:30 | €0.121 21:30 | 0.50 | €0.157 |
| 18 May Monday | €0.061 | €0.000 13:00 | €0.133 20:30 | – | €0.175 |
| 19 May Tuesday | €0.046 | €0.000 11:45 | €0.120 20:30 | – | €0.157 |
| 20 May Wednesday | €0.056 | €0.000 13:15 | €0.139 21:00 | – | €0.170 |
| 21 May Thursday | €0.058 | €0.000 11:15 | €0.125 20:30 | – | €0.172 |
| 22 May Friday | €0.056 | €0.000 11:45 | €0.125 21:00 | 2.50 | €0.170 |
| 23 May Saturday | €0.037 | -€0.002 13:30 | €0.115 23:00 | 7.75 | €0.145 |
| 24 May Sunday | €0.026 | -€0.002 10:45 | €0.092 21:00 | 8 | €0.133 |
| 25 May Monday | €0.032 | -€0.002 12:00 | €0.110 20:30 | 7.25 | €0.140 |
| 26 May Tuesday | €0.060 | €0.000 12:30 | €0.167 21:00 | 4.25 | €0.175 |
| 27 May Wednesday | €0.071 | €0.000 12:30 | €0.146 20:30 | 1.25 | €0.188 |
| 28 May Thursday | €0.075 | €0.000 10:45 | €0.173 20:30 | – | €0.193 |
| 29 May Friday | €0.080 | €0.000 12:45 | €0.165 21:00 | – | €0.198 |
| 30 May Saturday | €0.062 | €0.000 12:45 | €0.130 23:00 | 2 | €0.177 |
| 31 May Sunday | €0.044 | €0.000 14:15 | €0.105 23:00 | 5.75 | €0.155 |
/kWh · Today · Methodology