settlements
10/10/19 11:54 AM
M-A100119-02 Real-Time Market (RTM) Resettlement for Operating Days August 15, 2018 and September 17, 2018
NOTICE DATE: October 10, 2019
NOTICE TYPE: M-A100119-02 Settlements
SHORT DESCRIPTION: Real-Time Market (RTM) Resettlement for Operating Days August 15, 2018 and September 17, 2018
INTENDED AUDIENCE: Settlement Personnel
DAYS AFFECTED: August 15 and September 17, 2018
LONG DESCRIPTION: As described in Market Notice M-A100119-01, issued October 1, 2019, ERCOT discovered an issue in the calculation of the Real-Time On-Line High Sustained Limit (RTOLHSL) used in the calculation of Real-Time Ancillary Service Imbalance Payment or Charge (RTASIAMT). As stated in the earlier Market Notice, correcting this issue requires resettlement for two Operating Days — August 15, 2018 and September 17, 2018.
This Market Notice is to inform Market Participants that ERCOT is issuing RTM Resettlement Statements for Operating Days August 15, 2018, and September 17, 2018, as detailed in the tables below.
| Affected Operating Day |
August 15, 2018 |
| Description of reason for Resettlement |
Issue with calculation of RTOLHSL |
| Affected Settlement Charge Types |
LAASIRNAMT, LARTRNAMT, |
| Publication Date of Previous Settlement Statement |
February 11, 2019 |
| Publication Date of Resettlement Statement |
October 10, 2019 |
| Invoice Date of Resettlement Statement |
October 10, 2019 |
| Resettled Charge Types |
Resettlement Amount |
| Load-Allocated Ancillary Service Imbalance Revenue Neutrality (LAASIRNAMT) |
$7,359.04 |
| Real-Time Revenue Neutrality Allocation Amount (LARTRNAMT) |
$(69.97 ) |
| Real-Time Ancillary Service Imbalance Amount (RTASIAMT) |
$(7,359.39) |
| Real-Time Energy Imbalance Amount (RTEIAMT) |
$69.74 |
| Affected Operating Day |
September 17, 2018 |
| Description of reason for Resettlement |
Incorrect calculation of RTOLHSL |
| Affected Settlement Charge Types |
LAASIRNAMT, LARTRNAMT, |
| Publication Date of Previous Settlement Statement |
March 18, 2019 |
| Publication Date of Resettlement Statement |
October 10, 2019 |
| Invoice Date of Resettlement Statement |
October 10, 2019 |
| Resettled Charge Types |
Resettlement Amount |
| Load-Allocated Ancillary Service Imbalance Revenue Neutrality (LAASIRNAMT) |
$2,784.64 |
| Real-Time Revenue Neutrality Allocation Amount (LARTRNAMT) |
$1,162.78 |
| Real-Time Ancillary Service Imbalance Amount (RTASIAMT) |
$(2,784.52) |
| Real-Time Energy Imbalance Amount (RTEIAMT) |
$(1,162.98) |
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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