Texas has suffered major disruptions to its electricity supply due to storm Uri sweeping the United States from February 14, 2021. The state's largest independent system operator, the Electric Reliability Council of Texas (ERCOT) was unable to deliver electricity to over four million customers, as extreme cold temperatures resulted in many power plants having to be shut off. ERCOT manages roughly 90 percent of Texas' electric load, serving 26 million customers. Between February 15 and 17, the difference between day-ahead forecasts for electricity demand and electricity generation was particularly pronounced.
Electricity demand, demand forecast, and generation of the Electric Reliability Council of Texas (ERCOT) in the United States from February 15 to February 24, 2021
(in megawatt hours)
Characteristic
Demand
Forecast demand
Net generation
Feb 24, 12:00 AM CST
36,170
38,304
36,485
Feb 23, 06:00 PM CST
35,153
38,117
35,185
Feb 23, 03:00 PM CST
35,117
39,011
35,139
Feb 23, 12:00 PM CST
38,517
43,582
38,713
Feb 23, 09:00 AM CST
34,655
38,759
35,003
Feb 23, 06:00 AM CST
31,861
38,259
32,167
Feb 23, 12:00 AM CST
34,747
37,945
34,849
Feb 22, 06:00 PM CST
34,239
37,890
34,242
Feb 22, 03:00 PM CST
35,534
40,684
35,536
Feb 22, 12:00 PM CST
39,557
45,520
39,707
Feb 22, 09:00 AM CST
35,307
40,925
35,312
Feb 22, 06:00 AM CST
31,129
38,291
31,711
Feb 22, 12:00 AM CST
32,145
37,531
32,426
Feb 21, 06:00 PM CST
31,352
36,880
31,703
Feb 21, 03:00 PM CST
34,373
39,384
34,545
Feb 21, 12:00 PM CST
37,222
41,064
37,477
Feb 21, 09:00 AM CST
35,715
38,131
35,896
Feb 21, 06:00 AM CST
37,125
42,092
36,859
Feb 21, 12:00 AM CST
37,125
42,092
36,859
Feb 20, 06:00 PM CST
34,633
42,152
34,115
Feb 20, 03:00 PM CST
34,859
41,833
34,341
Feb 20, 12:00 PM CST
41,590
48,234
41,071
Feb 20, 09:00 AM CST
50,875
53,908
50,307
Feb 20, 06:00 AM CST
50,027
52,507
49,648
Feb 20, 12:00 AM CST
47,186
53,103
46,471
Feb 19, 06:00 PM CST
40,689
49,666
40,023
Feb 19, 03:00 PM CST
41,418
49,722
40,680
Feb 19, 12:00 PM CST
48,670
56,345
47,940
Feb 19, 09:00 AM CST
56,948
64,506
56,135
Feb 19, 06:00 AM CST
55,055
61,188
54,241
Feb 19, 12:00 AM CST
51,776
59,303
51,110
Feb 18, 06:00 PM CST
51,526
60,335
50,713
Feb 18, 03:00 PM CST
50,877
60,250
50,064
Feb 18, 12:00 PM CST
55,172
63,585
54,362
Feb 18, 09:00 AM CST
53,837
66,471
53,172
Feb 18, 06:00 AM CST
49,865
61,974
49,201
Feb 18, 12:00 AM CST
48,064
55,798
47,289
Feb 17, 06:00 PM CST
47,053
57,875
46,241
Feb 17, 03:00 PM CST
45,013
57,707
44,240
Feb 17, 12:00 PM CST
45,026
59,860
44,740
Feb 17, 09:00 AM CST
43,900
63,545
43,682
Feb 17, 06:00 AM CST
43,238
59,162
42,423
Feb 17, 12:00 AM CST
42,688
57,985
41,875
Feb 16, 06:00 PM CST
46,312
64,736
45,497
Feb 16, 03:00 PM CST
44,901
62,981
44,380
Feb 16, 12:00 PM CST
43,996
66,806
43,563
Feb 16, 09:00 AM CST
45,814
72,937
45,815
Feb 16, 06:00 AM CST
45,871
72,111
45,056
Feb 16, 12:00 AM CST
43,776
69,759
43,011
Feb 15, 06:00 PM CST
45,451
73,309
44,686
Feb 15, 03:00 PM CST
44,963
72,062
44,207
Feb 15, 12:00 PM CST
47,698
71,092
46,883
Feb 15, 09:00 AM CST
49,849
74,356
49,035
Feb 15, 06:00 AM CST
52,185
64,516
51,089
Feb 15, 12:00 AM CST
65,766
62,892
64,571
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EIA. (February 25, 2021). Electricity demand, demand forecast, and generation of the Electric Reliability Council of Texas (ERCOT) in the United States from February 15 to February 24, 2021 (in megawatt hours) [Graph]. In Statista. Retrieved May 20, 2022, from https://www.statista.com/statistics/934392/ercot-power-demand-and-generation/
EIA. "Electricity demand, demand forecast, and generation of the Electric Reliability Council of Texas (ERCOT) in the United States from February 15 to February 24, 2021 (in megawatt hours)." Chart. February 25, 2021. Statista. Accessed May 20, 2022. https://www.statista.com/statistics/934392/ercot-power-demand-and-generation/
EIA. (2021). Electricity demand, demand forecast, and generation of the Electric Reliability Council of Texas (ERCOT) in the United States from February 15 to February 24, 2021 (in megawatt hours). Statista. Statista Inc.. Accessed: May 20, 2022. https://www.statista.com/statistics/934392/ercot-power-demand-and-generation/
EIA. "Electricity Demand, Demand Forecast, and Generation of The Electric Reliability Council of Texas (Ercot) in The United States from February 15 to February 24, 2021 (in Megawatt Hours)." Statista, Statista Inc., 25 Feb 2021, https://www.statista.com/statistics/934392/ercot-power-demand-and-generation/
EIA, Electricity demand, demand forecast, and generation of the Electric Reliability Council of Texas (ERCOT) in the United States from February 15 to February 24, 2021 (in megawatt hours) Statista, https://www.statista.com/statistics/934392/ercot-power-demand-and-generation/ (last visited May 20, 2022)
