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Friday, 31 March 2023

Daily statistics of the national electricity system

Provisional data to 29/11/2023 • 18:45:44

Daily energy balance (GWh) (1) Day Month %∆ Month Annual %∆ Annual Rolling year (2) %∆ Rolling year
Hydro 51 2.043 15,1 8.366 66,1 21.240 -5,1
Pumped storage (3) 17 540 97,2 1.344 73,5 4.345 83,2
Nuclear 135 5.102 7,0 14.787 1,4 56.135 3,5
Coal 12 424 -39,9 1.127 -43,2 6.905 15,3
Fuel oil+gas 10 332 -7,9 1.074 2,8 4.442 6,8
Combined cycle (5) 50 3.114 -19,6 10.190 -29,4 63.885 21,6
Hydrowind 0 2 -26,0 4 -14,2 22 -6,2
Wind 375 6.693 2,5 18.827 13,0 63.366 8,9
Solar PV 90 3.095 112,6 6.991 48,2 30.178 36,0
Solar thermal 10 410 240,0 708 41,7 4.332 -6,0
Other renewables (6) 5 308 -27,4 957 -22,0 4.389 -9,2
Cogeneration (7) 40 1.730 -22,0 4.661 -28,1 15.926 -38,9
Non-renewables waste (8) 4 120 -34,5 339 -32,0 1.741 -20,8
Renewable waste (8) 2 72 -12,0 212 -9,4 856 -6,1
Generation 802 23.987 5,3 69.587 2,0 277.762 6,6
Pumped storage consumption -53 -896 116,7 -2.244 73,8 -7.048 88,2
Exchange balance (9) -94 -2.607 196,1 -4.452 76,1 -21.726 1.032,8
Demand (b.c) 654 20.484 -4,6 62.891 -2,3 248.988 -2,4
Adjusted demand (10) - - -2,5 - -2,7 - -3,4
Transmission losses -16 -455 12,2 -1.392 16,2 -4.950 15,5
Demand (distribution) 638 20.029 -4,9 61.498 -2,7 244.039 -2,7

Generation structure

31/03/2023
March
2023
Rolling year aggregate
  • No renewable:
    • Coal
    • Nuclear
    • Pumped storage
    • Combined cycle
    • Fuel oil+gas
    • Non-renewables waste
    • Cogeneration
  • Renewable:
    • Other renewables
    • Hydrowind
    • 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) 534 12.623 21,5 36.065 27,1 124.383 10,0
  • 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) Generation from auxiliary generators is included in the electricity systems of the Balearic Islands.
  • (5) Includes operation in open cycle mode. Power generation for the electricity system of the Canary Islands’ electricity system is obtained primarily from gas-oil.
  • (6) Includes biogas, biomass, marine energy and geothermal. The values of increase and rolling year include waste up until 31 December 2014.
  • (7) Generation included in other renewables and cogeneration on 12/31/2014.
  • (8) Generation included in other renewables and cogeneration up to December 31, 2014.
  • (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.