Res 2016-177/approving an amended and restated Interconnection Agreement with the LCRA Transmission Services Corporation (“LCRA TSC”) to, among other things, clarify the transmission and distribution functions of the parties, provide metering to be gover

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insulators, disconnect switches, surge arresters, 12.5 kV operating and transfer bus, and bus potential transformers • Two (2) station service SS -1 and SS -2 LCRA TSC owns: The San Marcos Substation including, but not limited to, the following items: • The site (property), including site work, fence, gravel, ground grid and other appurtenances • 13 8 kV operating and transfer bus • One (1) 138 kV bus potential transformer PT -1 • One (1) 138 kV bus differential and breaker failure relaying scheme • Two (2) metering package • One (1) 138 kV surge arrester SA -6 • Underfrequency relay panel • Control house and station battery 10. Operational Responsibilities of Each Party: Each Party will be responsible for the operation of the equipment it owns. LCRA TSC shall operate the SMEU 138 kV equipment, including monitoring the SMEU power transformer alarms. 11. Maintenance Responsibilities of Each Party: Each Party will be fully responsible for the maintenance of the equipment it owns. 12. Other Terms and Conditions: • The City and LCRA TSC are to share access to the substation by LCRA TSC locks in the gate and in the control house doors. • The City will supply and allow LCRA TSC use of its 12.5 kV bus potential transformers PT -3 and PT -4 for metering. • The City will supply and allow LCRA TSC use of transformer T-1 and T-2 metering current transformers for its metering. • The City will supply and allow LCRA TSC use of transformer T-1 and T-2 relaying current transformers for LCRA TSC's bus differential & breaker failure relaying scheme. • The City will provide breaker failure initiate contacts from its circuit switchers CS4975 and CS4985 relaying panel to LCRA TSC's bus differential & breaker failure relaying panel. • LCRA TSC will provide tripping and close inhibit contacts from its bus differential & breaker failure relaying panel to City's circuit switchers CS4975 and CS4985 relaying panels. • LCRA TSC will provide City access to 125 VDC and 120 VAC power. Circuits must have over current protection devices (OCPD) sized according to NEC standards. Panel boards containing the OCPD may belong to either LCRA TSC (if space is available) or City. • The City will supply and allow LCRA TSC use of Station Service 41 and Station Service #2 for primary and backup station power. LCRA TSC — San Marcos Electric Utility Page 34 of 39