Notice_Settlements@lists.ercot.com,Notice_Operations@lists.ercot.com,Notice_PRR_SCR@lists.ercot.com,Notice_Release_Retail@lists.ercot.com,Notice_Release_Wholesale@lists.ercot.com

9/13/22 3:31 PM

M-D091322-01 Implementation Details of NPRR1120


NOTICE DATE: September 13, 2022

NOTICE TYPE: M-D091322-01 Settlements

SHORT DESCRIPTION: Implementation Details of NPRR1120

INTENDED AUDIENCE: All Market Participants

DAYS AFFECTED: October 13, 2022

LONG DESCRIPTION: ERCOT will be implementing system changes on October 13, 2022, for Protocol language associated with Nodal Protocol Revision Request (NPRR) 1120, Create Firm Fuel Supply Service. These Settlement System changes will be effective November 15, 2022.

NPRR1120 introduces the following Settlement System changes to the Nodal Protocols:

  • Section 6.6.14.2, Firm Fuel Supply Service Hourly Standby Fee Payment and Fuel Replacement Cost Recovery – Establishes new Settlement equations to determine the Firm Fuel Supply Service Amount to be paid to each QSE representing an FFSS Resource.
  • Section 6.6.14.3, Firm Fuel Supply Service Capacity Charge – Establishes a new Settlement equation to allocate the total Firm Fuel Supply Service capacity and fuel replacement payment to the QSEs representing Loads based on an hourly Load Ratio Share.

New Settlement Billing Determinants:

Billing Determinant

Short Description

Extract

Extract Table

FFSSDRP

Firm Fuel Supply Service Deployment Reduction Percentage

SID & RTM CODE

MKTINPUTHEADER

MKTINPUTINTERVAL

FFSSFRC

Firm Fuel Supply Service Fuel Replacement Cost

SID & RTM CODE

MKTINPUTHEADER

MKTINPUTINTERVAL

FFSSAFLAG

Firm Fuel Supply Service Availability Flag

SID & RTM CODE

MKTINPUTHEADER

MKTINPUTINTERVAL

FFSEDFLAG

Firm Fuel Supply Event Deployment Flag

SID & RTM CODE

MKTINPUTHEADER

MKTINPUTINTERVAL

FFSSEH

Firm Fuel Supply Service Elapsed number of Hours

RTM CODE

RTMOUTPUTHEADER

RTMOUTPUTINTERVAL

FFSSACAP

Firm Fuel Supply Service Awarded Capacity

RTM CODE

RTMOUTPUTHEADER

RTMOUTPUTINTERVAL

FFSSTCAP

Firm Fuel Supply Service Testing Capacity

RTM CODE

RTMOUTPUTHEADER

RTMOUTPUTINTERVAL

FFSSPR

Firm Fuel Supply Service Price

RTM CODE

RTMOUTPUTHEADER

RTMOUTPUTINTERVAL

FFSSVALHSL

Firm Fuel Supply Service Validated HSL

RTM CODE

RTMOUTPUTHEADER

RTMOUTPUTINTERVAL

FFSSCVALHSL

Firm Fuel Supply Service Cumulated Validated HSL

RTM CODE

RTMOUTPUTHEADER

RTMOUTPUTINTERVAL

FFSSCACAP

Firm Fuel Supply Service Cumulated Awarded Capacity

RTM CODE

RTMOUTPUTHEADER

RTMOUTPUTINTERVAL

FFSSHREAF

Firm Fuel Supply Service Hourly Rolling Equivalent Availability Factor

RTM CODE

RTMOUTPUTHEADER

RTMOUTPUTINTERVAL

FFSSARF

Firm Fuel Supply Service Availability Reduction Factor

RTM CODE

RTMOUTPUTHEADER

RTMOUTPUTINTERVAL

FFSSCRF

Firm Fuel Supply Service Capacity Reduction Factor

RTM CODE

RTMOUTPUTHEADER

RTMOUTPUTINTERVAL

FFSSSBF

Firm Fuel Supply Service Standby Fee

RTM CODE

RTMOUTPUTHEADER

RTMOUTPUTINTERVAL

FFSSAMT

Firm Fuel Supply Service Amount

RTM CODE

RTMOUTPUTHEADER

RTMOUTPUTINTERVAL

FFSSAMTQSETOT

Firm Fuel Supply Amount QSE Total

RTM CODE

RTMOUTPUTHEADER

RTMOUTPUTINTERVAL

FFSSAMTTOT

Firm Fuel Supply Service Amount ERCOT Total

RTM MODE

RTMOUTPUTHEADER

RTMOUTPUTINTERVAL

LAFFSSAMT

Load-Allocated Firm Fuel Supply Service Amount

RTM CODE

RTMOUTPUTHEADER

RTMOUTPUTINTERVAL

 

ACTION REQUIRED: Impacted Market Participants should implement changes to their shadow Settlement systems to incorporate the Protocol revisions made by NPRR1120.

ADDITIONAL INFORMATION: NPRR1120 and the associated documents can be found on the ERCOT website.

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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dg