Electricity prices in Slovenia, September 2026
In September 2026, electricity on the day-ahead market in Slovenia cost an average of €0.173/kWh (€173.25/MWh); with taxes, network charges and a sample supplier margin, the estimated final price was around €0.254/kWh.
That is 14% more than in August 2026 and 83% more than in September 2025.
The cheapest day was Sunday, 6 September 2026, averaging €0.115/kWh; the most expensive was Monday, 14 September 2026 at €0.246/kWh.
The lowest price came on 27 September 2026 at 13:30 (-€0.003/kWh), the highest on 14 September 2026 at 19:45 (€0.634/kWh). In total, prices were below zero for 10.3 hours.
On an average day, the cheapest three hours were 12:00–15:00. Weekends were on average 25% cheaper than weekdays.
Compared with
- Previous month (August 2026)
- €0.152 ▲
- Same month last year
- €0.095 ▲
- Weekdays
- €0.186
- Weekends
- €0.139
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 | €0.169 | €0.071 11:45 | €0.261 19:45 | – | €0.250 |
| 2 Sept Wednesday | €0.191 | €0.101 13:00 | €0.285 19:45 | – | €0.277 |
| 3 Sept Thursday | €0.191 | €0.108 12:00 | €0.271 20:15 | – | €0.278 |
| 4 Sept Friday | €0.169 | €0.024 13:45 | €0.279 18:45 | – | €0.251 |
| 5 Sept Saturday | €0.133 | €0.022 15:15 | €0.209 00:00 | – | €0.203 |
| 6 Sept Sunday | €0.115 | -€0.001 13:15 | €0.240 19:45 | 3.50 | €0.181 |
| 7 Sept Monday | €0.180 | €0.078 13:45 | €0.312 19:45 | – | €0.263 |
| 8 Sept Tuesday | €0.179 | €0.018 12:45 | €0.350 19:45 | – | €0.262 |
| 9 Sept Wednesday | €0.167 | €0.067 12:45 | €0.276 19:45 | – | €0.248 |
| 10 Sept Thursday | €0.201 | €0.111 16:00 | €0.511 19:45 | – | €0.290 |
| 11 Sept Friday | €0.207 | €0.165 10:45 | €0.317 19:45 | – | €0.296 |
| 12 Sept Saturday | €0.149 | €0.001 13:00 | €0.229 19:45 | – | €0.223 |
| 13 Sept Sunday | €0.161 | €0.071 14:00 | €0.240 19:45 | – | €0.237 |
| 14 Sept Monday | €0.246 | €0.152 16:00 | €0.634 19:45 | – | €0.345 |
| 15 Sept Tuesday | €0.189 | €0.045 11:45 | €0.322 19:30 | – | €0.274 |
| 16 Sept Wednesday | €0.170 | €0.017 10:15 | €0.279 19:45 | – | €0.252 |
| 17 Sept Thursday | €0.192 | €0.074 16:00 | €0.277 19:45 | – | €0.278 |
| 18 Sept Friday | €0.168 | €0.014 15:00 | €0.268 19:30 | – | €0.249 |
| 19 Sept Saturday | €0.149 | €0.001 13:15 | €0.248 19:30 | – | €0.223 |
| 20 Sept Sunday | €0.131 | €0.000 13:30 | €0.236 19:45 | 2.25 | €0.201 |
| 21 Sept Monday | €0.148 | €0.021 11:45 | €0.276 19:45 | – | €0.225 |
| 22 Sept Tuesday | €0.223 | €0.117 15:00 | €0.550 19:30 | – | €0.317 |
| 23 Sept Wednesday | €0.191 | €0.056 13:45 | €0.328 07:00 | – | €0.277 |
| 24 Sept Thursday | €0.207 | €0.144 14:00 | €0.293 18:30 | – | €0.297 |
| 25 Sept Friday | €0.202 | €0.135 11:30 | €0.303 19:30 | – | €0.291 |
| 26 Sept Saturday | €0.157 | €0.001 13:30 | €0.251 19:45 | – | €0.232 |
| 27 Sept Sunday | €0.119 | -€0.003 13:30 | €0.225 19:45 | 4.50 | €0.185 |
| 28 Sept Monday | €0.169 | €0.014 13:45 | €0.391 18:45 | – | €0.250 |
| 29 Sept Tuesday | €0.174 | €0.061 13:45 | €0.260 19:30 | – | €0.256 |
| 30 Sept Wednesday | €0.149 | €0.009 12:00 | €0.260 19:45 | – | €0.226 |
/kWh · Today · Methodology