The price of electricity tomorrow, Saturday, March 21, by hour: when is it cheapest and most expensive on the day

The price of electricity tomorrow, Saturday, March 21, by hour: when is it cheapest and most expensive on the day

The average price of electricity rises until it rises again and stands at 41.47 euros per megawatt per hour this Saturday, March 21, 2026. This means that electricity is paid 10.37% more expensive than this Friday when the price is 37.57 euros. That is, 3.90 euros more are paid according to data published by the Iberian Energy Market Operator (OMIE).

When is electricity cheaper this Saturday?

The cheapest hour will be from 3:00 p.m. to 4:00 p.m., with a price of 4.97 euros/MWh. Concentrating the rest of the sections at lower prices in the central hours of the day.

What time is electricity most expensive this Saturday?

The maximum peak, on the contrary, will be from 7:00 p.m. to 8:00 p.m. with a price of 93.03 euros/MWh, and the late afternoon and evening hours should be avoided.

Price of electricity per hour, Saturday, March 21, 2026

After the increase, knowing the cost of electricity in the different periods of the day can mean significant savings on the bill. The following list shows the price of electricity hour by hour on Saturday, March 21, 2026.

  • 00:00 to 01:00: 58.32 euros/MWh
  • 01:00 to 02:00: 51.80 euros/MWh
  • 02:00 to 03:00: 47.22 euros/MWh
  • 03:00 to 04:00: 40.62 euros/MWh
  • 04:00 to 05:00: 41.10 euros/MWh
  • 05:00 to 06:00: 46.40 euros/MWh
  • 06:00 to 07:00: 56.35 euros/MWh
  • 07:00 to 08:00: 56.93 euros/MWh
  • 08:00 to 09:00: 45.19 euros/MWh
  • 09:00 to 10:00: 25.17 euros/MWh
  • 10:00 to 11:00: 13.82 euros/MWh
  • 11:00 to 12:00: 10.65 euros/MWh
  • 12:00 to 13:00: 7.17 euros/MWh
  • 1:00 p.m. to 2:00 p.m.: 5.00 euros/MWh
  • 2:00 p.m. to 3:00 p.m.: 5.00 euros/MWh
  • 15:00 to 16:00: 4.97 euros/MWh
  • 16:00 to 17:00: 6.96 euros/MWh
  • 17:00 to 18:00: 24.25 euros/MWh
  • 18:00 to 19:00: 65.85 euros/MWh
  • 19:00 to 20:00: 93.03 euros/MWh
  • 20:00 to 21:00: 82.83 euros/MWh
  • 9:00 p.m. to 10:00 p.m.: 72.65 euros/MWh
  • 22:00 to 23:00: 73.03 euros/MWh
  • 23:00 to 24:00: 60.91 euros/MWh

Evolution of the price of electricity during the first 21 days of March

In these 21 days of March the price of electricity has been 53.63 euros/MWh. This means that electricity is being paid 16 euros cheaper than in 2026, when in the same period the average price was 69.63 euros.

However, on this same date electricity was paid at 10.75 euros, that is, it was 285.72% cheaper than this March 21, 2026.

Date 2025 2026 Difference in euros/MWh
March 1 65.83 15.00 -50.83
March 2 65.56 18.36 -47.20
March 3 96.99 28.43 -68.56
March 4 96.44 56.51 -39.93
March 5 78.88 90.14 +11.26
March 6 78.06 63.24 -14.82
March 7 49.07 62.57 +13.50
March 8 15.22 78.69 +63.47
March 9 46.51 119.42 +72.91
March 10 92.99 136.86 +43.87
March 11 96.94 104.03 +7.09
March 12 93.06 71.20 -21.86
March 13 111.73 37.89 -73.84
March 14 57.68 14.39 -43.29
March 15 48.89 6.44 -42.45
March 16 60.58 37.18 -23.40
March 17 88.65 49.05 -39.60
March 18 57.68 28.88 -28.80
March 19 29.11 24.95 -4.16
March 20 22.69 37.57 +14.88
March 21 10.75 41.47 +30.72