NOTICE DATE: January 28, 2014 NOTICE TYPE: W-A123013-02 Operations SHORT DESCRIPTION: Implementation of generic shadow price caps for previously irresolvable constraints in SCED INTENDED AUDIENCE: ERCOT Market Participants DATES AFFECTED: January 29, 2014 LONG DESCRIPTION: Market Notice W-A123013-01 Operations, issued on December 30, 2013, indicated that as of January 29, 2014, the following constraints will no longer be considered irresolvable by SCED: Contingency Name Constraint Name Description Current Maximum Shadow Price Maximum Shadow Price effective January 29, 2014 DGRSLNC5 6856__B Graham to Long Creek 345 kV overloads Bomarton - Seymour 69 kV $2,000.00 $2,800.00 SODBODN9 6860__A Odessa Basin Sw to Odessa North 69 kV overloads Holt Sw - Ector Shell Tap 69 kV $2,320.68 $2,800.00 DW_DDEN8 AIR_W_DE_1 Denton - Argyle / West Denton 138 kV overloads Jim Crystal - West Denton 138 kV $2,000.00 $3,500.00 SNCWMOS8 ODNTH_FMR1 Holt Sw - Moss Sw 138 kV overloads Odessa North 138/69 kV transformer $2,000.00 $3,500.00 XWI2N89 6920_E_1 Wink Tnp Winkat1 138/69 kV overloads Wink Tnp to Wink substation 69kV $2,000.00 $2,800.00 Section 3.6 of the business practice document, Methodology for Setting Max Shadow Prices, requires a 30-day notice before the shadow price caps for SCED resolvable constraints are reset to their default values. As indicated in Market Notice W-A123013-01 Operations, the generic transmission shadow price caps will be used in SCED, in accordance with Section 3.5 of the ERCOT Business Practice document, effective January 29, 2014. 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]<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. sa