The average price of light for this Monday, September 1, 2025, is 30.63 euros per megavatio hour (MW/h) for consumers with regulated or indexed rate in the free market, according to the data of the Iberian energy market operator (OMIE). Compared to Sunday average, it is a new drop, this time of 6.67 euros or 17.88%, since on August 31 the average rate was 37.30 euros per MWh.
If compared to the same date last year, the difference is even lower, since the light was paid at 99.64 euros/MWh, so it is now 69.27% cheaper. Now, this is the price at how electricity is sold, that is, that they are not included or tolls or other taxes. This data is released at the last minute of the day by Red Electric.
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What time is light cheaper this Monday, September 1?
The cheapest hours of light is given from 11:00 a.m. to 6:00 p.m., where the price will be at 0 euros/MWh for each time slot. Low will also remain between 10:00 a.m. and 11:00 a.m. and from 6:00 p.m. to 7:00 p.m., where electricity is paid at € 3.52/MWh. In this way, the greatest savings is concentrated in the central hours of the day, which favors to organize consumption at noon and early afternoon.
When is electricity more expensive?
The maximum electricity price is recorded between 9:00 p.m. and 10:00 p.m., with a cost of 100.01 euros/MWh. The second most expensive strip is from 10:00 p.m. to 11:00 p.m., with € 92.8/MWh, followed by 23:00 to 24:00 hours, when the cost reaches € 80/MWh. Consequently, the highest expense is concentrated during the night, especially from 8:00 p.m.
Light price for hours, Monday, September 1
To take advantage of electricity and achieve greater savings in the invoice, it is key to organize consumption based on the 24 times. This is the price of light, time by time, corresponding to Monday, September 1, 2025 for consumers hosted by the regulated rate (PVPC) or with indexed contracts in the free market:
- From 00:00 to 01:00: € 35.79/MWh
- From 01:00 to 02:00: € 18.07/MWh
- From 02:00 to 03:00: € 22.34/MWh
- From 03:00 to 04:00: € 17.64/MWh
- From 04:00 to 05:00: € 15.00/MWh
- From 05:00 to 06:00: € 25.21/MWh
- From 06:00 to 07:00: € 33.23/MWh
- From 07:00 to 08:00: € 53.18/MWh
- From 08:00 to 09:00: € 64.00/MWh
- From 09:00 to 10:00: € 35.79/MWh
- From 10:00 a.m. to 11:00 a.m.: € 3.52/MWh
- From 11:00 to 12:00: € 0/MWh
- From 12:00 to 13:00: € 0/MWh
- From 1:00 p.m. to 14:00: € 0/MWh
- From 14:00 to 15:00: € 0/MWh
- From 15:00 to 16:00: € 0/MWh
- From 4:00 p.m. to 5:00 p.m. €/MWh
- From 5:00 p.m. to 6:00 p.m. €/MWh
- From 6:00 p.m. to 7:00 p.m. € 3.52/MWh
- From 7:00 p.m. to 20:00: € 55.00/MWh
- From 20:00 to 21:00: € 80.00/MWh
- From 9:00 p.m. to 22:00: € 100.01/MWh
- From 22:00 to 23:00: € 92.80/MWh
- From 23:00 to 24:00: € 80.00/MWh