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

AECI Daily Electricity Demand by Hour of Day, 22 August to 19 September 2026

In the 29 complete local days from 22 August to 19 September 2026, electricity demand in AECI averaged 3,052 MW and typically peaked at 17:00 local time (4,169 MW) and bottomed out at 04:00 (2,064 MW). Hours are local clock time (America/Chicago).

Key Facts

  • Over 29 complete local days from 22 August to 19 September 2026, average demand in AECI was 3,052 MW. The hour of the day with the highest average demand was 17:00 local time (4,169 MW) and the lowest was 04:00 (2,064 MW).
  • The largest three hour rise in average demand was 200 MW, between 14:00 to 17:00 local time.
  • The single highest hour of demand in the 30 day window was 4,842 MW, in the hour starting 2 Sept 2026, 17:00 CDT (UTC-05:00).

Average Day by Local Hour

29 days to 2026-09-19, America/Chicago time
AECI average demand and net generation by local hour Average electricity demand in AECI by local clock hour over 29 complete local days from 22 August to 19 September 2026. It was lowest at 04:00 (2,064 MW) and highest at 17:00 (4,169 MW). Net generation is the power produced inside the grid, so it differs from demand by net imports. 0 1,250 2,500 3,750 5,000 00:0003:0006:0009:0012:0015:0018:0021:00
Average electricity demand in AECI by local clock hour over 29 complete local days from 22 August to 19 September 2026. It was lowest at 04:00 (2,064 MW) and highest at 17:00 (4,169 MW). Net generation is the power produced inside the grid, so it differs from demand by net imports.
Mean MW by local hour, 2026-08-22 to 2026-09-19
AECI average demand and net generation by local hour
Local hour (America/Chicago)DemandNet generation
00:002,456 MW2,301 MW
01:002,276 MW2,254 MW
02:002,168 MW2,186 MW
03:002,093 MW2,157 MW
04:002,064 MW2,136 MW
05:002,105 MW2,184 MW
06:002,198 MW2,233 MW
07:002,285 MW2,251 MW
08:002,456 MW2,294 MW
09:002,712 MW2,282 MW
10:003,010 MW2,311 MW
11:003,317 MW2,390 MW
12:003,589 MW2,494 MW
13:003,807 MW2,580 MW
14:003,969 MW2,653 MW
15:004,082 MW2,724 MW
16:004,157 MW2,786 MW
17:004,169 MW2,813 MW
18:004,032 MW2,795 MW
19:003,786 MW2,764 MW
20:003,567 MW2,757 MW
21:003,290 MW2,618 MW
22:002,974 MW2,455 MW
23:002,682 MW2,356 MW
AECI average wind output by local hour Average wind generation in AECI by local clock hour over 29 complete local days from 22 August to 19 September 2026. 0 125 250 375 500 00:0003:0006:0009:0012:0015:0018:0021:00
Average wind generation in AECI by local clock hour over 29 complete local days from 22 August to 19 September 2026.
Mean MW by local hour, 2026-08-22 to 2026-09-19
AECI average wind output by local hour
Local hour (America/Chicago)Wind
00:00409 MW
01:00428 MW
02:00420 MW
03:00399 MW
04:00379 MW
05:00339 MW
06:00320 MW
07:00320 MW
08:00272 MW
09:00211 MW
10:00206 MW
11:00216 MW
12:00229 MW
13:00237 MW
14:00249 MW
15:00258 MW
16:00255 MW
17:00249 MW
18:00233 MW
19:00258 MW
20:00315 MW
21:00363 MW
22:00389 MW
23:00398 MW
Average AECI demand, net generation, wind by local hour
Local hourDemandNet generationWind
00:00 2,456 MW 2,301 MW 409 MW
01:00 2,276 MW 2,254 MW 428 MW
02:00 2,168 MW 2,186 MW 420 MW
03:00 2,093 MW 2,157 MW 399 MW
04:00 2,064 MW 2,136 MW 379 MW
05:00 2,105 MW 2,184 MW 339 MW
06:00 2,198 MW 2,233 MW 320 MW
07:00 2,285 MW 2,251 MW 320 MW
08:00 2,456 MW 2,294 MW 272 MW
09:00 2,712 MW 2,282 MW 211 MW
10:00 3,010 MW 2,311 MW 206 MW
11:00 3,317 MW 2,390 MW 216 MW
12:00 3,589 MW 2,494 MW 229 MW
13:00 3,807 MW 2,580 MW 237 MW
14:00 3,969 MW 2,653 MW 249 MW
15:00 4,082 MW 2,724 MW 258 MW
16:00 4,157 MW 2,786 MW 255 MW
17:00 4,169 MW 2,813 MW 249 MW
18:00 4,032 MW 2,795 MW 233 MW
19:00 3,786 MW 2,764 MW 258 MW
20:00 3,567 MW 2,757 MW 315 MW
21:00 3,290 MW 2,618 MW 363 MW
22:00 2,974 MW 2,455 MW 389 MW
23:00 2,682 MW 2,356 MW 398 MW

Each value is the mean over 29 complete local days from 22 August to 19 September 2026, weekdays and weekends together, for the hour starting at that local clock time. The single highest hour of demand in the whole 30 day window was 4,842 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 2026-09-19. 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.