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NOTICE DATE:  March 1, 2019

NOTICE TYPE:  M-D030119-01 Settlements

SHORT DESCRIPTION:  Implementation Details of NPRR845 

INTENDED AUDIENCE:  ERCOT Market Participants

DAYS AFFECTED:  April 2-4, 2019

LONG DESCRIPTION:  ERCOT will be implementing Nodal Protocol Revision Request (NPRR) 845, RMR Process and Agreement Revisions, on April 2-4, 2019. NPRR845 was approved by the ERCOT Board on October 9, 2018. 

NPRR845 modifies the calculation for the RMR Hourly Rolling Equivalent Availability Factor RMRHREAF taking into account the HSL and Contracted Capacity along with availability. It also allows for the Standby Costs to be revised during the contract period in accordance with paragraph (2) of Section 3.14.1.13. Furthermore, this NPRR approves the method for reconciling RMR actual eligible costs, RMR and MRA contributed capital expenditures and miscellaneous expenses.

·         Settlement calculation revisions:

6.6.6.1 RMR Standby Payment

RMR Hourly Rolling Equivalent Availability Factor

RMRHREAF q, r = Min (1,  (RMRAFLAG q, r, hr *  HSLq, r, hr)  /  RMRCCAP q, r)

6.6.6.6  Method for Reconciling RMR Actual Eligible Costs, RMR and MRA Contributed Capital Expenditures, and Miscellaneous RMR Incurred Expenses

(1)    For any overpayments to the QSE representing the RMR Unit as described in Section 3.14.1.16, Reconciliation of Actual Eligible Costs, and contributed capital expenditures described in Section 3.14.1.19, Charge for Contributed Capital Expenditures:

The one-time charge to the QSE to collect the lump sum of over-payments and contributed capital expenditures is calculated as follows:

RMRRAMT q, r, c   = RMRCE q, r, c + RMROP q, r, c, m

The one-time payment is calculated as follows:

LARMRRAMT q  =   (-1) *  (MRMRCE m + RMROP q, r, c, m) / MH m * HLRS q, m

Where:

MRMRCE m   =    RMRCE q, r, c / CM q, r, c

(2)    For expenses incurred related to the processing of an RMR Agreement or validation and/or processing of RMR budgets:

The one-time charge is calculated as follows:

LARMROEIAMT q   =  (-1) *  RMROEIAMT m / MH m * HLRS q, m

ACTION REQUIRED:  Implement changes to shadow Settlement systems for NPRR845.

ADDITIONAL INFORMATION:  NPRR845 and 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 [log in to unmask].

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