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Future of Underground Network System in Dallas-Fort Worth

Gain insight on the current state and future plans of the underground network system serving a wide age range of users in Dallas-Fort Worth, including load, circuits, voltage, and expansion strategies. Learn about retrofits, new customer growth, and cable splicing expertise.

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Future of Underground Network System in Dallas-Fort Worth

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  1. Background Information to be Gathered Outside this Webinar • Description of Underground Network System • Age Ranges from one to 80 years old • Characteristics • Number of Customers number of meters not readily identified • Load served 330 mw • Number of primary circuits and voltage 84 circuits/ 13 & 12.5 kv • Secondary voltage(s) 120/208 grids, 480 - 4kv - 13 kv spots • Physical area (square miles) CBD OF Dallas and Ft. Worth • Is the area exclusively network or are there other customers? Network only • Contingency design (first, second, or other) 2nd • Current State of Network System • Are new loads served from the network system, or in some other way? Network system • Have network protectors been retrofitted with solid state relays? A small percentage • Describe remote monitoring and control. Older water monitoring system, no remote control • Do you have any issues maintaining cable splicing expertise? Training for PILC splicing is done in-house • Have you expanded or reduced your underground network system area in the last several years? Expanded inside “network” boundaries • What level of new customer growth are you seeing in your network area? Data not readily available

  2. Webinar Topics • Future of Underground Network System • What are future plans for your underground network system? • Expand, contract, stay the same? Remain within boundaries • Continue to serve new customers from the network, or serve in some other way, to let network load diminish until it becomes practical to eliminate the network. Serve from network • If you haven’t already done so, retrofit network with solid-state relays and monitoring and control. No comprehensive retrofit plan for 1) relay change-out, or 2) remote monitor and control at this time • if you have already retrofitted, what was the business case to justify the retrofit? • Continue to use paper insulated lead covered cable, or transition to another type of cable. Continue to use PILC at this time, alternative plan for transition away from PILC developed • If transition, what are the details and justification for your transition • Are you doing anything to maintain paper insulated cable splicing skills? Continue to train workers, PILC splicing still being performed.

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