NOTICE DATE: February 10, 2015 NOTICE TYPE: W-A011215-02 Operations SHORT DESCRIPTION: Implementation of generic shadow price caps for previously irresolvable constraints in SCED INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: February 11, 2015 LONG DESCRIPTION: Market Notice W-A011215-01 Operations, issued on January 12, 2015, indicated that as of February 11, 2015, the following constraint will no longer be considered irresolvable by SCED: Contingency Name Constraint Name Description Current Maximum Shadow Price Maximum Shadow Price effective January 30, 2015 SSALSK28 6146__A Skywest to Salt Flat Road 138kV line overloads Midland East to Buffalo 138kv line $2,481.67 $3,500 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-A011215-01 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 February 11, 2015. 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. mm