SOCO Daily Load Shape and Duck Curve by Hour, 29 September to 27 October 2026

In the 29 complete local days from 29 September to 27 October 2026, electricity demand in SOCO averaged 24,003 MW and typically peaked at 17:00 local time (28,254 MW) and bottomed out at 03:00 (20,013 MW). With solar taken off, the remaining load fell to 20,013 MW at 03:00 and then rose 3,555 MW between 14:00 to 17:00. Hours are local clock time (America/Chicago).

Key Facts

  • Over 29 complete local days from 29 September to 27 October 2026, average demand in SOCO was 24,003 MW. The hour of the day with the highest average demand was 17:00 local time (28,254 MW) and the lowest was 03:00 (20,013 MW).
  • The largest three hour rise in average demand was 1,939 MW, between 14:00 to 17:00 local time.
  • The single highest hour of demand in the 30 day window was 44,723 MW, in the hour starting 21 Oct 2026, 13:00 CDT (UTC-05:00).
  • Solar output averaged 2,129 MW at its 12:00 peak, 9% of average demand.
  • Demand minus solar (net load) averaged 23,249 MW, fell to 20,013 MW at 03:00 and rose 3,555 MW over the three hours from 14:00 to 17:00, 15% of average demand.

Average Day by Local Hour

29 days to 2026-10-27, America/Chicago time
SOCO average demand and net generation by local hour Average electricity demand in SOCO by local clock hour over 29 complete local days from 29 September to 27 October 2026. It was lowest at 03:00 (20,013 MW) and highest at 17:00 (28,254 MW). Net generation is the power produced inside the grid, so it differs from demand by net imports. 0 10,000 20,000 30,000 40,000 00:0003:0006:0009:0012:0015:0018:0021:00
Average electricity demand in SOCO by local clock hour over 29 complete local days from 29 September to 27 October 2026. It was lowest at 03:00 (20,013 MW) and highest at 17:00 (28,254 MW). Net generation is the power produced inside the grid, so it differs from demand by net imports.
Mean MW by local hour, 2026-09-29 to 2026-10-27
SOCO average demand and net generation by local hour
Local hour (America/Chicago)DemandNet generation
00:0021,029 MW22,297 MW
01:0020,367 MW21,669 MW
02:0020,015 MW21,406 MW
03:0020,013 MW21,411 MW
04:0020,610 MW22,072 MW
05:0021,753 MW23,413 MW
06:0022,866 MW25,065 MW
07:0022,859 MW24,971 MW
08:0022,450 MW24,364 MW
09:0022,768 MW24,742 MW
10:0023,404 MW25,404 MW
11:0024,210 MW26,192 MW
12:0025,202 MW27,251 MW
13:0026,771 MW28,161 MW
14:0026,315 MW28,608 MW
15:0026,918 MW29,347 MW
16:0027,590 MW30,256 MW
17:0028,254 MW31,262 MW
18:0028,111 MW31,162 MW
19:0027,389 MW30,189 MW
20:0026,287 MW28,782 MW
21:0024,775 MW27,017 MW
22:0023,352 MW24,835 MW
23:0022,758 MW23,380 MW
SOCO duck curve: demand and net load by local hour Average demand and net load (demand minus solar) in SOCO by local clock hour over 29 complete local days from 29 September to 27 October 2026. Net load was lowest at 03:00 (20,013 MW) and then rose 3,555 MW between 14:00 to 17:00. 0 7,500 15,000 22,500 30,000 00:0003:0006:0009:0012:0015:0018:0021:00
Average demand and net load (demand minus solar) in SOCO by local clock hour over 29 complete local days from 29 September to 27 October 2026. Net load was lowest at 03:00 (20,013 MW) and then rose 3,555 MW between 14:00 to 17:00.
Mean MW by local hour, 2026-09-29 to 2026-10-27
SOCO duck curve: demand and net load by local hour
Local hour (America/Chicago)DemandNet load (demand minus solar)
00:0021,029 MW21,029 MW
01:0020,367 MW20,367 MW
02:0020,015 MW20,015 MW
03:0020,013 MW20,013 MW
04:0020,610 MW20,610 MW
05:0021,753 MW21,748 MW
06:0022,866 MW22,838 MW
07:0022,859 MW22,352 MW
08:0022,450 MW20,968 MW
09:0022,768 MW20,892 MW
10:0023,404 MW21,404 MW
11:0024,210 MW22,149 MW
12:0025,202 MW23,074 MW
13:0026,771 MW24,660 MW
14:0026,315 MW24,258 MW
15:0026,918 MW25,037 MW
16:0027,590 MW26,193 MW
17:0028,254 MW27,813 MW
18:0028,111 MW28,034 MW
19:0027,389 MW27,354 MW
20:0026,287 MW26,276 MW
21:0024,775 MW24,772 MW
22:0023,352 MW23,351 MW
23:0022,758 MW22,758 MW
SOCO average solar output by local hour Average solar generation in SOCO by local clock hour over 29 complete local days from 29 September to 27 October 2026. Solar peaked at 12:00 at 2,129 MW. 0 625 1,250 1,875 2,500 00:0003:0006:0009:0012:0015:0018:0021:00
Average solar generation in SOCO by local clock hour over 29 complete local days from 29 September to 27 October 2026. Solar peaked at 12:00 at 2,129 MW.
Mean MW by local hour, 2026-09-29 to 2026-10-27
SOCO average solar output by local hour
Local hour (America/Chicago)Solar
00:000 MW
01:000 MW
02:000 MW
03:000 MW
04:000 MW
05:005 MW
06:0028 MW
07:00507 MW
08:001,481 MW
09:001,876 MW
10:002,000 MW
11:002,061 MW
12:002,129 MW
13:002,111 MW
14:002,057 MW
15:001,882 MW
16:001,397 MW
17:00441 MW
18:0077 MW
19:0035 MW
20:0011 MW
21:003 MW
22:000 MW
23:000 MW
Average SOCO demand, net generation, solar and net load by local hour
Local hourDemandNet generationSolarNet load
00:00 21,029 MW 22,297 MW 0 MW 21,029 MW
01:00 20,367 MW 21,669 MW 0 MW 20,367 MW
02:00 20,015 MW 21,406 MW 0 MW 20,015 MW
03:00 20,013 MW 21,411 MW 0 MW 20,013 MW
04:00 20,610 MW 22,072 MW 0 MW 20,610 MW
05:00 21,753 MW 23,413 MW 5 MW 21,748 MW
06:00 22,866 MW 25,065 MW 28 MW 22,838 MW
07:00 22,859 MW 24,971 MW 507 MW 22,352 MW
08:00 22,450 MW 24,364 MW 1,481 MW 20,968 MW
09:00 22,768 MW 24,742 MW 1,876 MW 20,892 MW
10:00 23,404 MW 25,404 MW 2,000 MW 21,404 MW
11:00 24,210 MW 26,192 MW 2,061 MW 22,149 MW
12:00 25,202 MW 27,251 MW 2,129 MW 23,074 MW
13:00 26,771 MW 28,161 MW 2,111 MW 24,660 MW
14:00 26,315 MW 28,608 MW 2,057 MW 24,258 MW
15:00 26,918 MW 29,347 MW 1,882 MW 25,037 MW
16:00 27,590 MW 30,256 MW 1,397 MW 26,193 MW
17:00 28,254 MW 31,262 MW 441 MW 27,813 MW
18:00 28,111 MW 31,162 MW 77 MW 28,034 MW
19:00 27,389 MW 30,189 MW 35 MW 27,354 MW
20:00 26,287 MW 28,782 MW 11 MW 26,276 MW
21:00 24,775 MW 27,017 MW 3 MW 24,772 MW
22:00 23,352 MW 24,835 MW 0 MW 23,351 MW
23:00 22,758 MW 23,380 MW 0 MW 22,758 MW

Each value is the mean over 29 complete local days from 29 September to 27 October 2026, weekdays and weekends together, for the hour starting at that local clock time. Net load is demand minus solar generation. Wind is left out of the net load calculation for SOCO: the series is missing, reads zero, or is under 3% of average demand in this window. The single highest hour of demand in the whole 30 day window was 44,723 MW; it is a published reading, not an average, and is not part of the profile above.

Source: U.S. Energy Information Administration (EIA). (US Government work, public domain) Data as of 2026-10-27. Profiles are computed by World Power Monitor from the operator's hourly series.

Assumptions

  • Hours are local clock time in America/Chicago. 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 29 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 29 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.
Cite this page
APA 7

World Power Monitor. (2026). SOCO Daily Load Shape and Duck Curve by Hour. https://worldpowermonitor.com/load-shapes/soco/

Plain text

World Power Monitor. SOCO Daily Load Shape and Duck Curve by Hour. Data as of 2026-10-27. Data from U.S. Energy Information Administration. https://worldpowermonitor.com/load-shapes/soco/

BibTeX
@misc{wpm_load_shapes_soco_2026,
  title = {{SOCO Daily Load Shape and Duck Curve by Hour}},
  author = {{World Power Monitor}},
  year = {2026},
  note = {Data as of 2026-10-27. Data from U.S. Energy Information Administration.},
  url = {https://worldpowermonitor.com/load-shapes/soco/}
}

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