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Energy Use in ERCOT Region Grows 2.2 Percent in 2015

January 18, 2016

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Copyright 2010-16 EnergyChoiceMatters.com
Reporting by Paul Ring • ring@energychoicematters.com

ERCOT said that a record-breaking summer, which included a new all-time peak demand record, contributed to an increase in electricity use in the Electric Reliability Council of Texas (ERCOT) region in 2015.

The 2015 Demand and Energy Report (click here), released by ERCOT, showed the system ended the year at 347,522,948 megawatt-hours (MWh), an increase of 7,489,595 MWh, or 2.2 percent, over the 340,033,353 MWh consumed in the region in 2014.

Contributing to 2015’s growth was a series of new peak demand records, the first since the region’s hottest summer on record in 2011. By summer’s end, the system had new records for monthly energy use, July peak demand, weekend peak demand and all-time peak demand.

On Aug. 10, the ERCOT region set a new all-time demand record of 69,877 MW, marking the first-time in ERCOT’s history demand topped 69,000 MW. Ultimately, following final settlement in the ERCOT market, the top five all-time peak demand records all occurred in 2015:

• 69,877 MW ‒ Aug. 10, 2015

• 69,775 MW ‒ Aug. 11, 2015

• 68,979 MW ‒ Aug. 6, 2015

• 68,731 MW ‒ Aug. 7, 2015

• 68,683 MW ‒ Aug. 5, 2015

Demand in July hit four consecutive new monthly records (July 27, 28, 29 and 30), ultimately peaking at 67,650 MW on July 30. When the system hit 67,590 MW on July 29, it was the first time since 2011 that system demand had exceeded 67,000 MW, ERCOT said

Also succumbing to the August heat was the previous weekend record set in 2011, which increased from 65,159 MW, set on Aug. 28, 2011, to 66,587 MW on Aug. 8, 2015.

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