Electricity prices in Slovenia, September 2025
In September 2025, electricity on the day-ahead market in Slovenia cost an average of €0.095/kWh (€94.66/MWh).
That is 21% more than in August 2025.
The cheapest day was Sunday, 21 September 2025, averaging €0.031/kWh; the most expensive was Tuesday, 30 September 2025 at €0.150/kWh.
The lowest price came on 7 September 2025 at 13:00 (-€0.053/kWh), the highest on 8 September 2025 at 19:00 (€0.400/kWh). In total, prices were below zero for 23 hours.
On an average day, the cheapest three hours were 12:00–15:00. Weekends were on average 37% cheaper than weekdays.
Compared with
- Previous month (August 2025)
- €0.078 ▲
- Same month last year
- €0.095 ▲
- Weekdays
- €0.105
- Weekends
- €0.067
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 |
|---|---|---|---|---|
| 1 Sept Monday | €0.100 | €0.023 13:00 | €0.215 19:00 | – |
| 2 Sept Tuesday | €0.111 | €0.065 13:00 | €0.274 19:00 | – |
| 3 Sept Wednesday | €0.085 | €0.006 12:00 | €0.170 19:00 | – |
| 4 Sept Thursday | €0.099 | €0.003 13:00 | €0.300 19:00 | – |
| 5 Sept Friday | €0.103 | €0.076 14:00 | €0.155 19:00 | – |
| 6 Sept Saturday | €0.078 | -€0.001 14:00 | €0.154 19:00 | 4 |
| 7 Sept Sunday | €0.047 | -€0.053 13:00 | €0.144 19:00 | 8 |
| 8 Sept Monday | €0.125 | €0.063 13:00 | €0.400 19:00 | – |
| 9 Sept Tuesday | €0.139 | €0.086 12:00 | €0.383 19:00 | – |
| 10 Sept Wednesday | €0.120 | €0.082 23:00 | €0.251 19:00 | – |
| 11 Sept Thursday | €0.105 | €0.067 03:00 | €0.183 19:00 | – |
| 12 Sept Friday | €0.100 | €0.046 12:00 | €0.253 19:00 | – |
| 13 Sept Saturday | €0.067 | €0.000 12:00 | €0.129 19:00 | – |
| 14 Sept Sunday | €0.066 | €0.000 14:00 | €0.134 19:00 | 1 |
| 15 Sept Monday | €0.075 | €0.006 12:00 | €0.168 19:00 | – |
| 16 Sept Tuesday | €0.108 | €0.057 11:00 | €0.185 19:00 | – |
| 17 Sept Wednesday | €0.081 | €0.009 13:00 | €0.185 19:00 | – |
| 18 Sept Thursday | €0.075 | €0.000 13:00 | €0.214 19:00 | – |
| 19 Sept Friday | €0.094 | €0.000 13:00 | €0.395 19:00 | – |
| 20 Sept Saturday | €0.063 | -€0.009 13:00 | €0.144 19:00 | 5 |
| 21 Sept Sunday | €0.031 | -€0.015 12:00 | €0.113 20:00 | 5 |
| 22 Sept Monday | €0.092 | €0.049 13:00 | €0.211 19:00 | – |
| 23 Sept Tuesday | €0.111 | €0.076 03:00 | €0.254 19:00 | – |
| 24 Sept Wednesday | €0.103 | €0.070 03:00 | €0.169 19:00 | – |
| 25 Sept Thursday | €0.099 | €0.064 03:00 | €0.136 19:00 | – |
| 26 Sept Friday | €0.102 | €0.073 02:00 | €0.132 19:00 | – |
| 27 Sept Saturday | €0.094 | €0.038 13:00 | €0.141 19:00 | – |
| 28 Sept Sunday | €0.087 | €0.009 13:00 | €0.137 19:00 | – |
| 29 Sept Monday | €0.131 | €0.081 13:00 | €0.381 19:00 | – |
| 30 Sept Tuesday | €0.150 | €0.094 13:00 | €0.358 19:00 | – |
/kWh · Today · Methodology