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FACILITY SCHEDULE NO. 1 <br />1. Name: Hilltop Substation <br />2. Facility Location: The Hilltop Substation is located at 321 Lamar Ave., San Marcos, Hays <br />County, Texas. <br />3. Points of Interconnection: There are four (4) Points of Interconnection in the Hilltop <br />Substation generally described as: <br />• where the jumper from switch 9539 connects to the 138kV bus at breaker 9540. <br />• where the jumper from switch 9543 connects to the 138kV bus at breaker 9540. <br />• where the jumper from switch 9549 connects to the 138kV bus at breaker 9550. <br />• where the jumper from switch 9553 connects to the 138kV bus at breaker 9550. <br />4. Transformation Services Provided by LCRA TSC: No <br />5. Metering Services Provided by LCRA TSC: Yes <br />6. Delivery Voltage: 138 kV <br />7. Metered Voltage and Location: The metered voltage is 12.5 kV. The metering current <br />transformers are located in bay 2 and bay 4 of the distribution system. The metering <br />potential transformers are located on the 12.5 kV operating bus. <br />8. One Line Diagram Attached: Yes <br />9. Description of Facilities Owned by Each Party: <br />San Marcos Electric Utilities owns: <br />• The site (property), including site work, fence, foundations, and ground grid <br />• One (1) power transformer PWT-1, T-1 with associated surge arresters, and <br />protective relaying <br />• One (1) circuit switcher CS-2555 with 138 kV disconnect switch 2554 <br />• 138 kV bus with associated steel supporting structures and insulators <br />• Four (4) distribution circuit breakers HI-10, HI-30, HI-40, HI-50 <br />• 12.5 kV steel structures, switches, insulators, bus, fused cutouts, and distribution <br />class surge arresters <br />• Station Service equipment <br />• Control house with station battery <br />LCRA TSC - San Marcos Electric Utility Page 15 of 35