NOTICE DATE: April 18, 2013 NOTICE TYPE: W-B041813-01 Settlements SHORT DESCRIPTION: Resettlement for ERS for the Contract Periods of June 1 through September 30, 2012 and Pilot ERS Contract July 15 through September 30, 2012 INTENDED AUDIENCE: QSE settlement personnel DAYS AFFECTED: The June 1 through September 30, 2012, ERS Contract Period and the July 15 through September 30, 2012 PILOT ERS Contract Period will be settled on the True-Up Settlement Statement of Operating Day October 20, 2012 LONG DESCRIPTION: ERCOT has resettled Emergency Response Service (ERS) for the Contract Period of June 1 through September 30, 2012 and PILOT Contract Period July 15 through September 30, 2012. The affected charge types will be included in a True-Up Settlement Statement as indicated by the table below: Affected Operating Day October 20, 2012 Publication Date of True-Up Statement April 18, 2013 Invoice Date of True-Up Statement April 18, 2013 Pursuant to Protocols Section 6.6.11.2(1), "For the resettlement of the ERS Contract Period as described in item (2) of Section 9.14.5, the LRS will be calculated using the True-up Load for each Operating Day in the ERS Contract Period. True-up Load will be calculated according to the timing specified in item (2) of Section 9.5.8, RTM True-Up Statement." The latest Settlement Load used to calculate Final ERS charges for the June 1 through September 30, 2012, Contract Period is as follows: Time Period RTAMLTOT Business Hours 1 (HE 0900-1300)* 19,302,258.83353 MWh Business Hours 2 (HE 1400-1600)* 14,150,951.289172 MWh Business Hours 3 (HE 1700-2000)* 18,842,091.021644 MWh Non-Business Hours (All other hours) 78,729,176.684433 MWh RTAMLTOT Total for Contract Period 131,024,477.82878 MWh * Mondays through Fridays except ERCOT Holidays The latest Settlement Load used to calculate Final ERS charges for the July 15 through September 30, 2012, PILOT Contract Period is as follows: Time Period RTAMLTOT Business Hours 1 (HE 0900-1300)* 12,440,174.127649 MWh Business Hours 2 (HE 1400-1600)* 9,175,827.882370 MWh Business Hours 3 (HE 1700-2000)* 12,240,298.206884 MWh Non-Business Hours (All other hours) 50,242,091.104124 MWh RTAMLTOT Total for Contract Period 84,098,391.321027 MWh * Mondays through Fridays except ERCOT Holidays Pursuant to Protocols Section 9.14.5(1), "All disputes for the Settlement of the ERS Contract Period are due twenty Business Days after the date that the ERS settlement was posted. ERCOT shall resolve any approved disputes upon resettlement of the ERS Contract Period, as described in Section 9.14.5(2)." CONTACT: If you have questions about the ERS program, please send an email to [log in to unmask]<mailto:[log in to unmask]>. If you have any other 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]<mailto:[log in to unmask]>. If you are receiving email from an ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com. ka