The average price of light for this Sunday, September 21, 2025 is down again and is located at 42.29 euros the megavatio hour (euros/MWh). Compared to the rate marked this Saturday, electricity drops 35.98%, that is, about 23.77 euros less since That day the price was 66.06 euros/MWh according to the data published by the Iberian energy market operator (OMIE).
If we remember the price that electricity had just a year ago, it can be seen that the price of light today is 43.1 euros cheaper, since The average electricity price on September 21, 2024 was 85.39 euros/MWh. Of course, it is necessary to highlight that this price does not include tolls or taxes, and that the PVPC data that affect consumers with regulated rate will make it known Red Electric at the end of the day.
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The price of light tomorrow, Monday, September 22 for hours: when is cheaper and more in the day
What time is the light cheaper on September 21?
The lowest price of light for the day of September 21 will be registered between 4:00 p.m. and 5:00 p.m. when it will cost -0.62 euros/MWh. The stripes also highlight between 3:00 p.m. and 4:00 p.m. when it will be paid at -0.5 euros/MWh. Another good time to plug the most expense appliances is the one that goes from 2:00 p.m. to 3:00 p.m. and from 5:00 p.m. to 6:00 p.m., when it will mark -0.01 euros/MWh. Negative prices or that mark 0 euros do not mean that light is free in those hours.
When is electricity more expensive on September 21?
The highest price of the day will take place between 00:00 and 01:00 hours when 85.8 euros/MWh will be reached. Very close to this moment are the stripes from 07:00 to 08:00 when it will be worth 85 euros and the one from 01:00 to 02:00 hours when it will cost 82.85 euros. Therefore, it is important to avoid intense use of electricity at home during these moments.
Price of light for hours, Sunday September 21
To save on the bill it is important to know the price of the time time by time during the 24 time slots of the day. Keep in mind that the highest cost of electricity will take place at night and early hours, as well as the best time to save is during noon, as can be seen in the following list and graph prepared with the official OMIE data.
- 00:00 to 01: 00: € 85.8/MWh
- 01:00 to 02: 00: € 82.85/MWh
- 02:00 to 03: 00: € 75.94/MWh
- 03:00 to 04: 00: € 79/MWh
- 04:00 to 05: 00: € 78.97/MWh
- 05:00 to 06: 00: € 75.35/MWh
- 06:00 to 07: 00: € 75.94/MWh
- 07:00 to 08: 00: € 85/MWh
- 08:00 to 09: 00: € 69.38/MWh
- 09:00 to 10: 00: € 26.2/MWh
- 10:00 to 11: 00: € 10/MWh
- 11:00 to 12: 00: € 0.65/MWh
- 12:00 to 13: 00: € 0/MWh
- 13:00 to 14: 00: € 0/MWh
- 14:00 to 15: 00: -0.01 €/MWh
- 15:00 to 16: 00: -0.5 €/MWh
- 16:00 to 17: 00: -0.62 €/MWh
- 17:00 to 18: 00: -0.01 €/MWh
- 18:00 to 19: 00: € 3.52/MWh
- 19:00 to 20: 00: € 43.16/MWh
- 20:00 to 21: 00: € 69.96/MWh
- 21:00 to 22: 00: € 61.4/MWh
- 22:00 to 23: 00: € 54.8/MWh
- 23:00 to 24: 00: € 38.09/MWh