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Tuesday, 31 August 2021

Daily statistics of the Spanish peninsular's electricity system

Definitive data to 14/11/2022 • 22:23:36

Daily energy balance (GWh) (1) Day Month %∆ Month Annual %∆ Annual Rolling year (2) %∆ Rolling year
Hydro 64 1.883 -0,3 23.468 9,7 32.700 5,3
Pumped storage (3) 8 160 0,5 1.826 1,3 2.774 10,2
Nuclear 166 5.151 0,0 36.917 1,3 56.229 4,6
Coal 12 320 -5,4 2.635 -29,2 3.711 -35,6
Combined cycle (4) 164 3.325 -34,2 19.286 -23,6 32.409 -24,5
Wind 80 3.599 2,6 38.694 18,6 59.864 13,2
Solar PV 66 2.348 32,0 14.582 36,3 18.808 41,5
Solar thermal 17 661 -11,2 3.654 2,6 4.630 3,9
Other renewables (5) 12 410 11,4 3.014 5,9 4.640 14,1
Cogeneration (6) 74 2.102 -4,1 17.399 -1,1 26.802 -1,6
Non-renewables waste (7) 7 198 10,9 1.427 18,5 2.119 13,5
Renewable waste (7) 2 68 2,9 495 42,0 752 25,5
Generation 671 20.226 -5,6 163.397 3,8 245.438 2,1
Pumped storage consumption 1 -186 -28,1 -2.992 -6,9 -4.405 -5,0
Balearic-Peninsula link (8) -1 -40 -78,0 -754 -22,3 -1.210 -17,7
Exchange balance (9) 33 661 - 3.109 -11,3 2.882 -33,5
Demand (b.c) 703 20.661 -0,4 162.760 3,8 242.705 1,7
Adjusted demand (10) - - 0,0 - 3,9 - 1,9
Pérdidas en transporte -9 -327 5,2 -2.836 12,8 -4.230 8,1
Demand (distribution) 695 20.334 -0,5 159.924 3,6 238.475 1,6

Generation structure

31/08/2021
August
2021
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 %∆ Anual Rolling year (2) %∆ Rolling year
Total (11) 240 8.969 7,3 83.906 17,4 121.394 14,2

Maximum demand

Maximum Demand Day Month Year Historical
Instantaneous Peak Load (MW) 34.186 (13:32) 35.024 (14:24 - 13/08) 42.225 (14:05 - 08/01) 45.450 (18:53 - 17/12/2007)
Peak Load (MWh) 33.552 (14h) 34.347 (15h - 13/08) 41.483 (14h - 08/01) 44.876 (20h - 17/12/2007)
Daily demand (GWh) 703 715 (13/08) 835 (13/01) 906 (18/12/2007)

Hydraulic data

Hydraulic data for 31 of august of 2021

Hydroelectric reserves (GWh) Maximum capacity (A) Today (B) (B/A) % Δ Day 31/08/2020 (C) (C/A) % 01/01/2021 (D) (D/A) %
Annual regime 8.967 3.722 41,5 -26 5.060 56,4 5.578 62,2
Hyperannual regime 9.571 3.403 35,6 -24 4.434 46,3 3.851 40,2
Total 18.538 7.125 38,4 -50 9.494 51,2 9.430 50,9
Producible hydroelectric energy Day Month Index (month) % P> (12) Year Index (year) % P> (12) Rolling year (2) Index (rolling year) % P> (12)
GWh 14 263 0,5 91,3 21.174 1,0 54,4 30.331 1,0 44,7
  • 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.