NOTICE DATE: September 15, 2022
NOTICE TYPE: W-A090722-02 Operations
SHORT DESCRIPTION: Impact Analysis for Hardware Issue Resulting in a Security-Constrained Economic Dispatch (SCED) Failure to Run
INTENDED AUDIENCE: All Market Participants
DAYS AFFECTED: September 1, 2022
LONG DESCRIPTION: This is an update to the Market Notice sent on September 7th, 2022, regarding a hardware issue that resulted in a SCED Failure to Run. Upon completion of the impact analysis, ERCOT determined the results do not meet the criteria necessary for seeking ERCOT Board approval for price correction in accordance with ERCOT Protocols Section 6.3(7)(b).
Under ERCOT Protocols Section 6.3(7)(b), ERCOT shall seek ERCOT Board review of prices if the change in a Real-Time Market (RTM) Settlement Statement would result in the absolute value impact to any single Counter-Party, based on the sum of all original RTM Settlement Statement amounts of Market Participants assigned to the Counter-Party, to be greater than:
(i) 2% and also greater than $20,000; or
(ii) 20% and also greater than $2,000.
The absolute value impacts to any single Counter-Party and the impact percentages are shown below with regards to the two defining criteria.
Criteria 1: 2% and also greater than $20,000
Dollar and percent impacts for Counter-Parties with a dollar impact greater than $20,000:
|
Dollar Impact
|
Percent Impact
|
|
$25,136.22
|
1.044%
|
|
$24,801.73
|
0.723%
|
|
$23,338.30
|
0.559%
|
Criteria 2: 20% and also greater than $2,000
Dollar and percent impacts for Counter-Parties with a percent impact greater than 20%:
|
Dollar Impact
|
Percent Impact
|
|
$282.64
|
97.85%
|
|
$23.04
|
59.50%
|
|
$1,806.01
|
56.80%
|
|
$239.37
|
44.70%
|
CONTACT: If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email at ClientServices@ercot.com.
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