Portugal electricity prices in September 2026

Every day of September 2026 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 September 2026, the wholesale market price in Portugal averaged €0.147 per kWh. The cheapest day was 16 September 2026 (€0.104), the most expensive 28 September 2026 (€0.198); the price was below zero for 11 hours.

Daily wholesale market prices in Portugal, September 2026 (€/kWh)
DateAverageLowHigh
2 September 20260.1600.0620.238
3 September 20260.1560.0320.288
4 September 20260.1700.0890.252
5 September 20260.1380.0030.223
6 September 20260.1400.0000.247
7 September 20260.1720.0670.253
8 September 20260.1520.0390.221
9 September 20260.1190.0010.206
10 September 20260.1460.0120.272
11 September 20260.1490.0110.243
12 September 20260.1410.0000.210
13 September 20260.132−0.0000.234
14 September 20260.1770.0440.293
15 September 20260.1670.0380.247
16 September 20260.1040.0000.194
17 September 20260.1280.0020.222
18 September 20260.1270.0040.209
19 September 20260.126−0.0000.196
20 September 20260.123−0.0000.203
21 September 20260.1390.0020.251
22 September 20260.1570.0100.282
23 September 20260.1600.0150.264
24 September 20260.1610.0260.277
25 September 20260.1610.0310.255
26 September 20260.1310.0000.226
27 September 20260.1190.0000.197
28 September 20260.1980.1500.266
29 September 20260.1300.0010.224
30 September 20260.1700.0890.332

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