Monthly report · day-ahead marketElectricity prices in Poland, September 2026
In September 2026, electricity on the day-ahead market in Poland cost an average of PLN 0.655/kWh (PLN 655.04/MWh); with taxes, network charges and a sample supplier margin, the estimated final price was around PLN 1.245/kWh.
That is 12% more than in August 2026 and 39% more than in September 2025.
The cheapest day was Saturday, 5 September 2026, averaging PLN 0.277/kWh; the most expensive was Monday, 14 September 2026 at PLN 1.099/kWh.
The lowest price came on 5 September 2026 at 12:45 (PLN -0.139/kWh), the highest on 14 September 2026 at 19:45 (PLN 3.081/kWh). In total, prices were below zero for 17.5 hours.
On an average day, the cheapest three hours were 12:00–15:00. Weekends were on average 28% cheaper than weekdays.
Compared with
- Previous month (August 2026)
- PLN 0.587 ▲
- Same month last year
- PLN 0.470 ▲
- Weekdays
- PLN 0.708
- Weekends
- PLN 0.509
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 Sept Tuesday | PLN 0.626 | PLN 0.163 14:00 | PLN 1.042 20:30 | – | PLN 1.210 |
| 2 Sept Wednesday | PLN 0.715 | PLN 0.364 13:00 | PLN 1.590 19:45 | – | PLN 1.320 |
| 3 Sept Thursday | PLN 0.708 | PLN 0.369 11:45 | PLN 1.202 18:45 | – | PLN 1.312 |
| 4 Sept Friday | PLN 0.599 | PLN 0.459 16:00 | PLN 1.034 07:15 | – | PLN 1.178 |
| 5 Sept Saturday | PLN 0.277 | PLN -0.139 12:45 | PLN 0.589 20:00 | 2.50 | PLN 0.782 |
| 6 Sept Sunday | PLN 0.432 | PLN -0.007 13:15 | PLN 1.051 19:45 | 4 | PLN 0.974 |
| 7 Sept Monday | PLN 0.716 | PLN 0.295 12:45 | PLN 1.455 19:45 | – | PLN 1.323 |
| 8 Sept Tuesday | PLN 0.654 | PLN 0.028 13:45 | PLN 1.575 19:30 | – | PLN 1.247 |
| 9 Sept Wednesday | PLN 0.717 | PLN 0.270 13:45 | PLN 1.745 19:45 | – | PLN 1.324 |
| 10 Sept Thursday | PLN 0.700 | PLN 0.095 14:00 | PLN 2.437 19:45 | – | PLN 1.303 |
| 11 Sept Friday | PLN 0.868 | PLN 0.680 12:45 | PLN 1.411 19:45 | – | PLN 1.508 |
| 12 Sept Saturday | PLN 0.716 | PLN 0.246 11:30 | PLN 1.145 19:45 | – | PLN 1.321 |
| 13 Sept Sunday | PLN 0.681 | PLN 0.368 09:45 | PLN 1.048 19:45 | – | PLN 1.278 |
| 14 Sept Monday | PLN 1.099 | PLN 0.629 14:00 | PLN 3.081 19:45 | – | PLN 1.791 |
| 15 Sept Tuesday | PLN 0.779 | PLN 0.176 11:45 | PLN 1.618 19:30 | – | PLN 1.398 |
| 16 Sept Wednesday | PLN 0.711 | PLN 0.371 12:45 | PLN 1.169 19:45 | – | PLN 1.313 |
| 17 Sept Thursday | PLN 0.751 | PLN 0.304 13:45 | PLN 1.600 19:30 | – | PLN 1.362 |
| 18 Sept Friday | PLN 0.594 | PLN 0.045 12:45 | PLN 1.335 19:30 | – | PLN 1.168 |
| 19 Sept Saturday | PLN 0.496 | PLN -0.001 12:15 | PLN 1.270 18:30 | 1.75 | PLN 1.048 |
| 20 Sept Sunday | PLN 0.350 | PLN -0.005 13:30 | PLN 0.752 17:30 | 3 | PLN 0.867 |
| 21 Sept Monday | PLN 0.438 | PLN 0.000 13:00 | PLN 1.205 19:45 | – | PLN 0.977 |
| 22 Sept Tuesday | PLN 0.753 | PLN 0.478 16:30 | PLN 2.121 19:30 | – | PLN 1.364 |
| 23 Sept Wednesday | PLN 0.776 | PLN 0.229 13:45 | PLN 1.747 19:30 | – | PLN 1.390 |
| 24 Sept Thursday | PLN 0.769 | PLN 0.476 04:00 | PLN 1.308 07:15 | – | PLN 1.381 |
| 25 Sept Friday | PLN 0.844 | PLN 0.557 05:45 | PLN 1.361 19:30 | – | PLN 1.474 |
| 26 Sept Saturday | PLN 0.644 | PLN 0.001 13:30 | PLN 1.097 19:45 | – | PLN 1.229 |
| 27 Sept Sunday | PLN 0.480 | PLN -0.016 12:45 | PLN 0.872 19:30 | 5.25 | PLN 1.027 |
| 28 Sept Monday | PLN 0.592 | PLN -0.022 12:00 | PLN 1.248 18:45 | 1 | PLN 1.165 |
| 29 Sept Tuesday | PLN 0.640 | PLN 0.133 13:00 | PLN 1.068 19:00 | – | PLN 1.224 |
| 30 Sept Wednesday | PLN 0.527 | PLN 0.038 13:30 | PLN 1.082 18:45 | – | PLN 1.085 |
/kWh · Today · Methodology