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Data as of 2026-09-19
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Built 2026-09-21 (21 September 2026)

Estonia Daily Load Shape and Duck Curve by Hour, 23 August to 19 September 2026

In the 28 complete local days from 23 August to 19 September 2026, electricity demand in Estonia averaged 785 MW and typically peaked at 09:00 local time (870 MW) and bottomed out at 04:00 (681 MW). With solar and wind taken off, the remaining load fell to 246 MW at 13:00 and then rose 204 MW between 16:00 to 19:00. Hours are local clock time (Europe/Tallinn).

Key Facts

  • Over 28 complete local days from 23 August to 19 September 2026, average demand in Estonia was 785 MW. The hour of the day with the highest average demand was 09:00 local time (870 MW) and the lowest was 04:00 (681 MW).
  • The largest three hour rise in average demand was 25 MW, between 19:00 to 22:00 local time.
  • The single highest hour of demand in the 30 day window was 1,156 MW, in the hour starting 4 Sept 2026, 10:00 EEST (UTC+03:00).
  • Solar output averaged 438 MW at its 13:00 peak, 56% of average demand.
  • Demand minus solar and wind (net load) averaged 493 MW, fell to 246 MW at 13:00 and rose 204 MW over the three hours from 16:00 to 19:00, 26% of average demand.

Average Day by Local Hour

28 days to 2026-09-19, Europe/Tallinn time
Estonia average demand and net generation by local hour Average electricity demand in Estonia by local clock hour over 28 complete local days from 23 August to 19 September 2026. It was lowest at 04:00 (681 MW) and highest at 09:00 (870 MW). Net generation is the power produced inside the grid, so it differs from demand by net imports. 0 250 500 750 1,000 00:0003:0006:0009:0012:0015:0018:0021:00
Average electricity demand in Estonia by local clock hour over 28 complete local days from 23 August to 19 September 2026. It was lowest at 04:00 (681 MW) and highest at 09:00 (870 MW). Net generation is the power produced inside the grid, so it differs from demand by net imports.
Mean MW by local hour, 2026-08-23 to 2026-09-19
Estonia average demand and net generation by local hour
Local hour (Europe/Tallinn)DemandNet generation
00:00725 MW384 MW
01:00703 MW367 MW
02:00693 MW356 MW
03:00686 MW353 MW
04:00681 MW358 MW
05:00690 MW357 MW
06:00731 MW367 MW
07:00792 MW422 MW
08:00853 MW510 MW
09:00870 MW596 MW
10:00861 MW665 MW
11:00847 MW712 MW
12:00819 MW756 MW
13:00804 MW772 MW
14:00829 MW749 MW
15:00840 MW707 MW
16:00802 MW657 MW
17:00810 MW585 MW
18:00804 MW530 MW
19:00790 MW511 MW
20:00800 MW507 MW
21:00821 MW480 MW
22:00815 MW432 MW
23:00764 MW401 MW
Estonia duck curve: demand and net load by local hour Average demand and net load (demand minus solar and wind) in Estonia by local clock hour over 28 complete local days from 23 August to 19 September 2026. Net load was lowest at 13:00 (246 MW) and then rose 204 MW between 16:00 to 19:00. 0 250 500 750 1,000 00:0003:0006:0009:0012:0015:0018:0021:00
Average demand and net load (demand minus solar and wind) in Estonia by local clock hour over 28 complete local days from 23 August to 19 September 2026. Net load was lowest at 13:00 (246 MW) and then rose 204 MW between 16:00 to 19:00.
Mean MW by local hour, 2026-08-23 to 2026-09-19
Estonia duck curve: demand and net load by local hour
Local hour (Europe/Tallinn)DemandNet load (demand minus solar and wind)
00:00725 MW572 MW
01:00703 MW553 MW
02:00693 MW548 MW
03:00686 MW546 MW
04:00681 MW539 MW
05:00690 MW548 MW
06:00731 MW584 MW
07:00792 MW599 MW
08:00853 MW582 MW
09:00870 MW509 MW
10:00861 MW412 MW
11:00847 MW344 MW
12:00819 MW275 MW
13:00804 MW246 MW
14:00829 MW293 MW
15:00840 MW345 MW
16:00802 MW361 MW
17:00810 MW456 MW
18:00804 MW525 MW
19:00790 MW566 MW
20:00800 MW593 MW
21:00821 MW619 MW
22:00815 MW631 MW
23:00764 MW598 MW
Estonia average solar and wind output by local hour Average solar and wind generation in Estonia by local clock hour over 28 complete local days from 23 August to 19 September 2026. Solar peaked at 13:00 at 438 MW. 0 125 250 375 500 00:0003:0006:0009:0012:0015:0018:0021:00
Average solar and wind generation in Estonia by local clock hour over 28 complete local days from 23 August to 19 September 2026. Solar peaked at 13:00 at 438 MW.
Mean MW by local hour, 2026-08-23 to 2026-09-19
Estonia average solar and wind output by local hour
Local hour (Europe/Tallinn)SolarWind
00:0013 MW141 MW
01:0010 MW140 MW
02:0012 MW133 MW
03:0017 MW123 MW
04:0019 MW122 MW
05:0015 MW128 MW
06:0022 MW125 MW
07:0064 MW129 MW
08:00144 MW127 MW
09:00247 MW114 MW
10:00341 MW109 MW
11:00392 MW111 MW
12:00424 MW119 MW
13:00438 MW121 MW
14:00407 MW129 MW
15:00370 MW124 MW
16:00315 MW126 MW
17:00212 MW142 MW
18:00133 MW146 MW
19:0066 MW158 MW
20:0044 MW163 MW
21:0030 MW171 MW
22:0017 MW167 MW
23:0012 MW155 MW
Average Estonia demand, net generation, solar, wind and net load by local hour
Local hourDemandNet generationSolarWindNet load
00:00 725 MW 384 MW 13 MW 141 MW 572 MW
01:00 703 MW 367 MW 10 MW 140 MW 553 MW
02:00 693 MW 356 MW 12 MW 133 MW 548 MW
03:00 686 MW 353 MW 17 MW 123 MW 546 MW
04:00 681 MW 358 MW 19 MW 122 MW 539 MW
05:00 690 MW 357 MW 15 MW 128 MW 548 MW
06:00 731 MW 367 MW 22 MW 125 MW 584 MW
07:00 792 MW 422 MW 64 MW 129 MW 599 MW
08:00 853 MW 510 MW 144 MW 127 MW 582 MW
09:00 870 MW 596 MW 247 MW 114 MW 509 MW
10:00 861 MW 665 MW 341 MW 109 MW 412 MW
11:00 847 MW 712 MW 392 MW 111 MW 344 MW
12:00 819 MW 756 MW 424 MW 119 MW 275 MW
13:00 804 MW 772 MW 438 MW 121 MW 246 MW
14:00 829 MW 749 MW 407 MW 129 MW 293 MW
15:00 840 MW 707 MW 370 MW 124 MW 345 MW
16:00 802 MW 657 MW 315 MW 126 MW 361 MW
17:00 810 MW 585 MW 212 MW 142 MW 456 MW
18:00 804 MW 530 MW 133 MW 146 MW 525 MW
19:00 790 MW 511 MW 66 MW 158 MW 566 MW
20:00 800 MW 507 MW 44 MW 163 MW 593 MW
21:00 821 MW 480 MW 30 MW 171 MW 619 MW
22:00 815 MW 432 MW 17 MW 167 MW 631 MW
23:00 764 MW 401 MW 12 MW 155 MW 598 MW

Each value is the mean over 28 complete local days from 23 August to 19 September 2026, weekdays and weekends together, for the hour starting at that local clock time. Net load is demand minus solar and wind generation. The single highest hour of demand in the whole 30 day window was 1,156 MW; it is a published reading, not an average, and is not part of the profile above.

Source: ENTSO-E Transparency Platform (transparency.entsoe.eu), CC BY 4.0. Aggregated and converted by World Power Monitor; ENTSO-E does not endorse this site. (ENTSO-E Terms of Use plus CC BY 4.0 for listed data items) Data as of 2026-09-19. Profiles are computed by World Power Monitor from the operator's hourly series.

Assumptions

  • Hours are local clock time in Europe/Tallinn. A local day is used only if it is whole inside the 30 day window and at least 22 of its hours are complete; the profile uses the 28 most recent such days. Daylight saving follows the local clock: on a clock change day the missing hour is absent and the repeated hour is averaged over both readings.
  • The average mixes weekdays and weekends and covers only 28 days, so it describes recent conditions, not a seasonal norm.
  • The evening ramp is the largest rise over three hours in the average profile, starting between 14:00 and 20:00 local time.