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Hourly grid demand

Observed electricity demand across three balancing authorities, from EIA-930. All timestamps are UTC.

Recent snapshot · Last observation 2026-10-03T15:00:00Z. This is total grid demand, including homes and businesses. It is not a measurement of data-center or AI electricity use. Gaps are not interpolated.

ERCOT

54,964 MWh

Latest reported hourly interval

2026-10-03T15:00:00Z

PJM

82,944 MWh

Latest reported hourly interval

2026-10-03T15:00:00Z

Arizona Public Service

4,796 MWh

Latest reported hourly interval

2026-10-03T15:00:00Z

Observation table

Last 24 reported observations per authority. Energy in MWh for each hourly interval.
UTC interval	Authority	MWh
2026-10-03 15:00	Arizona Public Service	4,796
2026-10-03 15:00	ERCOT	54,964
2026-10-03 15:00	PJM	82,944
2026-10-03 14:00	Arizona Public Service	4,790
2026-10-03 14:00	ERCOT	53,166
2026-10-03 14:00	PJM	81,843
2026-10-03 13:00	Arizona Public Service	4,596
2026-10-03 13:00	ERCOT	51,906
2026-10-03 13:00	PJM	80,190
2026-10-03 12:00	Arizona Public Service	4,491
2026-10-03 12:00	ERCOT	51,006
2026-10-03 12:00	PJM	78,363
2026-10-03 11:00	Arizona Public Service	4,684
2026-10-03 11:00	ERCOT	50,319
2026-10-03 11:00	PJM	76,874
2026-10-03 10:00	Arizona Public Service	4,736
2026-10-03 10:00	ERCOT	49,966
2026-10-03 10:00	PJM	75,962
2026-10-03 09:00	Arizona Public Service	4,739
2026-10-03 09:00	ERCOT	50,407
2026-10-03 09:00	PJM	76,278
2026-10-03 08:00	Arizona Public Service	4,875
2026-10-03 08:00	ERCOT	51,267
2026-10-03 08:00	PJM	77,075
2026-10-03 07:00	Arizona Public Service	5,020
2026-10-03 07:00	ERCOT	52,625
2026-10-03 07:00	PJM	78,186
2026-10-03 06:00	Arizona Public Service	5,338
2026-10-03 06:00	ERCOT	54,387
2026-10-03 06:00	PJM	80,178
2026-10-03 05:00	Arizona Public Service	5,530
2026-10-03 05:00	ERCOT	56,516
2026-10-03 05:00	PJM	83,886
2026-10-03 04:00	Arizona Public Service	5,864
2026-10-03 04:00	ERCOT	58,788
2026-10-03 04:00	PJM	88,186
2026-10-03 03:00	Arizona Public Service	5,966
2026-10-03 03:00	ERCOT	60,741
2026-10-03 03:00	PJM	92,777
2026-10-03 02:00	Arizona Public Service	5,764
2026-10-03 02:00	ERCOT	62,147
2026-10-03 02:00	PJM	97,671
2026-10-03 01:00	Arizona Public Service	5,985
2026-10-03 01:00	ERCOT	62,855
2026-10-03 01:00	PJM	101,485
2026-10-03 00:00	Arizona Public Service	5,817
2026-10-03 00:00	ERCOT	63,498
2026-10-03 00:00	PJM	104,378
2026-10-02 23:00	Arizona Public Service	5,800
2026-10-02 23:00	ERCOT	65,011
2026-10-02 23:00	PJM	106,487
2026-10-02 22:00	Arizona Public Service	5,520
2026-10-02 22:00	ERCOT	66,281
2026-10-02 22:00	PJM	108,703
2026-10-02 21:00	Arizona Public Service	5,101
2026-10-02 21:00	ERCOT	66,597
2026-10-02 21:00	PJM	109,053
2026-10-02 20:00	Arizona Public Service	4,607
2026-10-02 20:00	ERCOT	66,153
2026-10-02 20:00	PJM	107,848
2026-10-02 19:00	Arizona Public Service	4,383
2026-10-02 19:00	ERCOT	65,066
2026-10-02 19:00	PJM	106,014
2026-10-02 18:00	Arizona Public Service	3,968
2026-10-02 18:00	ERCOT	63,287
2026-10-02 18:00	PJM	103,711
2026-10-02 17:00	Arizona Public Service	4,007
2026-10-02 17:00	ERCOT	61,587
2026-10-02 17:00	PJM	100,600
2026-10-02 16:00	Arizona Public Service	4,038
2026-10-02 16:00	ERCOT	59,845
2026-10-02 16:00	PJM	97,894

Source and method

EIA Hourly Electric Grid Monitor. Type D, reported unit megawatthours; no conversion to power, AI share or estimated consumption. EIA can revise recent observations.

Retrieved 2026-10-03T16:42:31.122Z. The page serves a stored snapshot; its date is the freshness reference.

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