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Sunday, 31 May 2020

Daily statistics of the Spanish peninsular's electricity system

Definitive data to 12/04/2021 • 10:42:19

Daily energy balance (GWh) (1) Day Month %∆ Month Annual %∆ Annual Rolling year (2) %∆ Rolling year
Hydro 72 2.860 47,8 15.403 45,3 29.515 7,4
Pumped storage (3) 2 244 95,0 1.325 69,6 2.189 50,7
Nuclear 94 3.079 -22,6 22.514 -4,9 54.657 -0,9
Coal 10 245 -28,6 2.720 -62,3 6.178 -79,8
Combined cycle (4) 93 2.018 -48,3 10.795 -25,0 47.544 47,8
Wind 92 3.895 -15,0 21.782 -7,8 51.265 8,4
Solar PV 44 1.598 77,9 5.295 54,4 10.718 35,6
Solar thermal 8 552 -25,4 1.309 -35,4 4.449 -12,3
Other renewables (5) 11 387 37,0 1.750 20,3 3.903 8,2
Cogeneration (6) 65 2.084 -18,1 10.912 -14,0 27.804 -6,8
Non-renewables waste (7) 5 140 -9,8 761 -16,2 1.925 -14,5
Renewable waste (7) 1 31 -15,5 223 -24,0 669 -9,4
Generation 498 17.131 -12,2 94.790 -6,2 240.817 -1,2
Pumped storage consumption -5 -367 64,6 -2.438 81,8 -4.124 72,7
Balearic-Peninsula link (8) -2 -80 -44,2 -525 -18,7 -1.574 8,7
Exchange balance (9) 22 684 -8,6 3.928 -12,5 6.301 -44,8
Demand (b.c) 513 17.368 -12,7 95.755 -7,6 241.420 -3,9
Adjusted demand (10) - - -13,1 - -7,4 - -5,0
Transmission losses -9 -284 7,0 -1.623 9,7 -3.823 4,1
Demand (distribution) 504 17.084 -13,0 94.131 -7,8 237.597 -4,0

Generation structure

31/05/2020
May
2020
Rolling year aggregate
  • No renewable:
    • Coal
    • Nuclear
    • Pumped storage
    • Combined cycle
    • Non-renewables waste
    • Cogeneration
  • Renewable:
    • Other renewables
    • Solar thermal
    • Hydro
    • Solar PV
    • Renewable waste
    • Wind

Renewable energy

Renewable energy (GWh) Day Month %∆ Month Annual %∆ Annual Rolling year (2) %∆ Rolling year
Total (11) 229 9.322 10,0 45.762 10,5 100.519 9,1

Maximum demand

Maximum Demand Day Month Year Historical
Instantaneous Peak Load (MW) 25.087 (13:56) 31.024 (13:44 - 27/05) 40.423 (20:22 - 20/01) 45.450 (18:53 - 17/12/2007)
Peak Load (MWh) 24.307 (23h) 30.063 (14h - 27/05) 39.997 (21h - 20/01) 44.876 (20h - 17/12/2007)
Daily demand (GWh) 513 612 (27/05) 820 (21/01) 906 (18/12/2007)

Hydraulic data

Hydraulic data for 31 of may of 2020

Hydroelectric reserves (GWh) Maximum capacity (A) Today (B) (B/A) % Δ Day 31/05/2019 (C) (C/A) % 01/01/2020 (D) (D/A) %
Annual regime 8.967 7.442 83,0 -13 6.224 69,4 5.875 65,5
Hyperannual regime 9.571 5.526 57,7 1 3.658 38,2 3.609 37,7
Total 18.538 12.968 70,0 -12 9.882 53,3 9.485 51,2
Producible hydroelectric energy Day Month Index (month) % P> (12) Year Index (year) % P> (12) Rolling year (2) Index (rolling year) % P> (12)
GWh 60 3.345 1,0 43,9 18.920 1,0 49,6 32.602 1,1 35,6
  • Note: All variance percentages shown refer to the same period in the previous year.
  • (1) Allocation of production units according to primary fuel.
  • (2) Rolling year: cumulative value in the last 365 days, or 366 days in leap years.
  • (3) Pure pumped storage + mixed pumped storage estimate.
  • (4) Includes operation in open cycle mode.
  • (5) Includes biogas, biomass, marine energy and geothermal. The values of increase and rolling year include waste up until 31 December 2014.
  • (6) The increment and rolling year values include waste up to December 31, 2014.
  • (7) Generation included in other renewables and cogeneration on 12/31/2014.
  • (8) Positive value: incoming energy; negative value: outgoing energy.
  • (9) Positive value: import balance; negative value: export balance
  • (10) After factoring in the influence of seasonal and working patterns
  • (11) Includes hydro, wind, solar photovoltaic, solar thermal, other renewables and renewable waste.
  • (12) Percentage of probability of exceeding the index value.