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

Italy Centre-South 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 Italy Centre-South averaged 6,412 MW and typically peaked at 19:00 local time (7,692 MW) and bottomed out at 04:00 (4,653 MW). With solar and wind taken off, the remaining load fell to 3,411 MW at 12:00 and then rose 2,679 MW between 16:00 to 19:00. Hours are local clock time (Europe/Rome).

Key Facts

  • Over 28 complete local days from 23 August to 19 September 2026, average demand in Italy Centre-South was 6,412 MW. The hour of the day with the highest average demand was 19:00 local time (7,692 MW) and the lowest was 04:00 (4,653 MW).
  • The largest three hour rise in average demand was 212 MW, between 16:00 to 19:00 local time.
  • The single highest hour of demand in the 30 day window was 9,066 MW, in the hour starting 1 Sept 2026, 17:00 CEST (UTC+02:00).
  • Solar output averaged 3,430 MW at its 13:00 peak, 53% of average demand.
  • Demand minus solar and wind (net load) averaged 4,919 MW, fell to 3,411 MW at 12:00 and rose 2,679 MW over the three hours from 16:00 to 19:00, 42% of average demand.

Average Day by Local Hour

28 days to 2026-09-19, Europe/Rome time
Italy Centre-South average demand and net generation by local hour Average electricity demand in Italy Centre-South by local clock hour over 28 complete local days from 23 August to 19 September 2026. It was lowest at 04:00 (4,653 MW) and highest at 19:00 (7,692 MW). Net generation is the power produced inside the grid, so it differs from demand by net imports. 0 2,000 4,000 6,000 8,000 00:0003:0006:0009:0012:0015:0018:0021:00
Average electricity demand in Italy Centre-South by local clock hour over 28 complete local days from 23 August to 19 September 2026. It was lowest at 04:00 (4,653 MW) and highest at 19:00 (7,692 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
Italy Centre-South average demand and net generation by local hour
Local hour (Europe/Rome)DemandNet generation
00:005,442 MW3,229 MW
01:005,126 MW2,824 MW
02:004,870 MW2,666 MW
03:004,719 MW2,635 MW
04:004,653 MW2,614 MW
05:004,797 MW2,644 MW
06:005,194 MW2,808 MW
07:005,662 MW3,140 MW
08:006,266 MW3,933 MW
09:006,728 MW4,595 MW
10:006,940 MW4,849 MW
11:007,077 MW5,002 MW
12:007,169 MW5,117 MW
13:007,217 MW5,160 MW
14:007,335 MW5,090 MW
15:007,430 MW5,016 MW
16:007,480 MW5,150 MW
17:007,474 MW5,286 MW
18:007,490 MW4,987 MW
19:007,692 MW4,757 MW
20:007,605 MW4,673 MW
21:007,061 MW4,462 MW
22:006,506 MW4,264 MW
23:005,962 MW3,974 MW
Italy Centre-South duck curve: demand and net load by local hour Average demand and net load (demand minus solar and wind) in Italy Centre-South by local clock hour over 28 complete local days from 23 August to 19 September 2026. Net load was lowest at 12:00 (3,411 MW) and then rose 2,679 MW between 16:00 to 19:00. 0 2,000 4,000 6,000 8,000 00:0003:0006:0009:0012:0015:0018:0021:00
Average demand and net load (demand minus solar and wind) in Italy Centre-South by local clock hour over 28 complete local days from 23 August to 19 September 2026. Net load was lowest at 12:00 (3,411 MW) and then rose 2,679 MW between 16:00 to 19:00.
Mean MW by local hour, 2026-08-23 to 2026-09-19
Italy Centre-South duck curve: demand and net load by local hour
Local hour (Europe/Rome)DemandNet load (demand minus solar and wind)
00:005,442 MW5,190 MW
01:005,126 MW4,858 MW
02:004,870 MW4,600 MW
03:004,719 MW4,434 MW
04:004,653 MW4,359 MW
05:004,797 MW4,506 MW
06:005,194 MW4,910 MW
07:005,662 MW5,061 MW
08:006,266 MW4,741 MW
09:006,728 MW4,229 MW
10:006,940 MW3,790 MW
11:007,077 MW3,529 MW
12:007,169 MW3,411 MW
13:007,217 MW3,415 MW
14:007,335 MW3,643 MW
15:007,430 MW3,981 MW
16:007,480 MW4,513 MW
17:007,474 MW5,387 MW
18:007,490 MW6,432 MW
19:007,692 MW7,192 MW
20:007,605 MW7,209 MW
21:007,061 MW6,742 MW
22:006,506 MW6,226 MW
23:005,962 MW5,702 MW
Italy Centre-South average solar and wind output by local hour Average solar and wind generation in Italy Centre-South by local clock hour over 28 complete local days from 23 August to 19 September 2026. Solar peaked at 13:00 at 3,430 MW. 0 1,000 2,000 3,000 4,000 00:0003:0006:0009:0012:0015:0018:0021:00
Average solar and wind generation in Italy Centre-South by local clock hour over 28 complete local days from 23 August to 19 September 2026. Solar peaked at 13:00 at 3,430 MW.
Mean MW by local hour, 2026-08-23 to 2026-09-19
Italy Centre-South average solar and wind output by local hour
Local hour (Europe/Rome)SolarWind
00:000 MW252 MW
01:000 MW268 MW
02:000 MW270 MW
03:000 MW285 MW
04:000 MW294 MW
05:000 MW291 MW
06:007 MW278 MW
07:00329 MW272 MW
08:001,311 MW213 MW
09:002,312 MW188 MW
10:002,933 MW218 MW
11:003,274 MW274 MW
12:003,426 MW331 MW
13:003,430 MW372 MW
14:003,256 MW435 MW
15:002,958 MW491 MW
16:002,422 MW545 MW
17:001,508 MW579 MW
18:00536 MW521 MW
19:0058 MW441 MW
20:0010 MW387 MW
21:000 MW320 MW
22:000 MW281 MW
23:000 MW260 MW
Average Italy Centre-South demand, net generation, solar, wind and net load by local hour
Local hourDemandNet generationSolarWindNet load
00:00 5,442 MW 3,229 MW 0 MW 252 MW 5,190 MW
01:00 5,126 MW 2,824 MW 0 MW 268 MW 4,858 MW
02:00 4,870 MW 2,666 MW 0 MW 270 MW 4,600 MW
03:00 4,719 MW 2,635 MW 0 MW 285 MW 4,434 MW
04:00 4,653 MW 2,614 MW 0 MW 294 MW 4,359 MW
05:00 4,797 MW 2,644 MW 0 MW 291 MW 4,506 MW
06:00 5,194 MW 2,808 MW 7 MW 278 MW 4,910 MW
07:00 5,662 MW 3,140 MW 329 MW 272 MW 5,061 MW
08:00 6,266 MW 3,933 MW 1,311 MW 213 MW 4,741 MW
09:00 6,728 MW 4,595 MW 2,312 MW 188 MW 4,229 MW
10:00 6,940 MW 4,849 MW 2,933 MW 218 MW 3,790 MW
11:00 7,077 MW 5,002 MW 3,274 MW 274 MW 3,529 MW
12:00 7,169 MW 5,117 MW 3,426 MW 331 MW 3,411 MW
13:00 7,217 MW 5,160 MW 3,430 MW 372 MW 3,415 MW
14:00 7,335 MW 5,090 MW 3,256 MW 435 MW 3,643 MW
15:00 7,430 MW 5,016 MW 2,958 MW 491 MW 3,981 MW
16:00 7,480 MW 5,150 MW 2,422 MW 545 MW 4,513 MW
17:00 7,474 MW 5,286 MW 1,508 MW 579 MW 5,387 MW
18:00 7,490 MW 4,987 MW 536 MW 521 MW 6,432 MW
19:00 7,692 MW 4,757 MW 58 MW 441 MW 7,192 MW
20:00 7,605 MW 4,673 MW 10 MW 387 MW 7,209 MW
21:00 7,061 MW 4,462 MW 0 MW 320 MW 6,742 MW
22:00 6,506 MW 4,264 MW 0 MW 281 MW 6,226 MW
23:00 5,962 MW 3,974 MW 0 MW 260 MW 5,702 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 9,066 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/Rome. 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.