NOTICE DATE: December 18, 2012 NOTICE TYPE: W-A121812-01 Settlements SHORT DESCRIPTION: Settlement 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: June 1 through September 30, 2012, ERS Contract Period and July 15 through September 30, 2012 PILOT ERS Contract Period will be settled on the Final Settlement Statement of Operating Day October 20, 2012 LONG DESCRIPTION: ERCOT has settled 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 Final Settlement Statement as indicated by the table below: Affected Operating Day October 20, 2012 Publication Date of Final Statement December 18, 2012 Invoice Date of Final Statement December 18, 2012 The ERS payments for the June 1 through September 30, 2012, Contract Period are as follows: Time Period ERS Payments Business Hours 1 (HE 0900-1300)* ERSPAMTTOT_1 $ 1,830,420.40 Business Hours 2 (HE 1400-1600)* ERSPAMTTOT_2 $ 856,018.49 Business Hours 3 (HE 1700-2000)* ERSPAMTTOT_3 $ 1,152,668.10 Non-Business Hours (All other hours) ERSPAMTTOT_4 $ 7,438,931.53 TOTAL for Contract Period $ 11,278,038.52 * Mondays through Fridays except ERCOT Holidays The ERS payments for the July 15 through September 30, 2012, PILOT Contract Period are as follows: Time Period ERS Payments Business Hours 1 (HE 0900-1300)* ERSPAMTTOT_1_PILOT $ 55,696.16 Business Hours 2 (HE 1400-1600)* ERSPAMTTOT_2_PILOT $ 41,618.36 Business Hours 3 (HE 1700-2000)* ERSPAMTTOT_3_PILOT $ 54,309.84 Non-Business Hours (All other hours) ERSPAMTTOT_4_PILOT $ 124,970.75 TOTAL for Contract Period $ 276,595.11 * Mondays through Fridays except ERCOT Holidays Pursuant to Protocols Section 6.6.11.2(1), "For the first settlement of the ERS Contract Period as described in paragraph (1) of Section 9.14.5, Settlement of Emergency Response Service, LRS will be calculated using the latest Settlement Load for each Operating Day in the ERS Contract Period." 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)* 19,302,281.491085 MWh Business Hours 2 (HE 1400-1600)* 14,150,974.029865 MWh Business Hours 3 (HE 1700-2000)* 18,842,107.818386 MWh Non-Business Hours (All other hours) 78,729,202.82153 MWh RTAMLTOT Total for Contract Period 131,024,566.160866 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)* 12,440,174.156803 MWh Business Hours 2 (HE 1400-1600)* 9,175,827.878177 MWh Business Hours 3 (HE 1700-2000)* 12,240,298.19169 MWh Non-Business Hours (All other hours) 50,242,091.146619 MWh RTAMLTOT Total for Contract Period 84,098,391.373289 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 ten 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