Southwest Power Pool Grid Notice: SPP Declaring Conservative Operations effective 12:00 on 7/29 through 20:00 on July 30

Southwest Power Pool Grid Notice: SPP Declaring Conservative Operations effective 12:00 on 7/29 through 20:00 on July 30
Courtesy/Southwest Power Pool.
July 29th, 2021 | Southwest Power Pool

SPP has declared a period of Conservative Operations for our entire 14-state balancing authority footprint effective 12:00 central time on Thursday, July 29 through 20:00 on Friday, July 30. The need for a declaration of Conservative Operations is due to hot-weather conditions causing high electricity use that are expected to persist through our afternoon peak on July 30. The declaration is intended to inform SPP’s market participants they should make available all necessary generating resources to meet the high demand SPP anticipates across its region. (This follows a Resource Alert that was previous issued for the period 12:00 on July 26 through 00:00 on July 31.)

Looking ahead, SPP does not currently anticipate the need to request public conservation of energy or to direct controlled service interruptions. If conditions change, though, updates will be sent to this email list.

As illustrated in the graphic below, a declaration of Conservative Operations precedes and is less severe than Energy Emergency Alerts like those SPP issued during the February 2021 winter weather event. During periods of Conservative Operations, no action is required of the pubic unless specifically directed by an individuals’ local utility.

Weather Alerts and Resource Alerts are communicated by SPP’s operators to our members to ensure they’re aware of conditions that could lead to reliability issues if they worsen. With the escalation to Conservative Operations, SPP signals there is further need to operate its system conservatively based on weather, environmental, operational, cyber or other events. To prevent conditions from worsening, SPP may commit generation to serve load earlier than during normal operations and ahead of standard day-ahead market processes. SPP sends specific instructions regarding conservative operation of generation and transmission facilities to its member utilities.

Remember, you can also check the general status of SPP’s regional system any time on the Current Grid Conditions page of SPP.org.

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