The Morristown Power System (MPS) serves near 14,500 customers in the city of Morristown, TN.
The system load peak is 167 MW, all served by the Tennessee Valley Authority through three points of delivery. MPS receives power at 161-kV from TVA and operates its own 69-kV sub-transmission system serving ten distribution substations in a redundant scheme. MPS has twenty-eight 13.8-kV distribution feeders that feed power throughout the City. All together, MPS operates and maintains 39 miles of transmission line and 300 miles of distribution line.
The City of Morristown has three industrial parks, the most recent near Interstate I-81. Industrial/Commercial loads account or over 75% of energy sold. Load growth over the past 14 years has averaged 4.2%, but slowed to 0.8% the past 5 years.
All distribution feeders are protected by state-of-the-art digital relays, providing the optimum in feeder coordination. MPS also has over thirty 3-phase reclosers on distribution circuits to isolate faults and provide increased reliability to industrial customers. MPS actively tracks outages and cause to monitor electric quality and reliability. MPS is committed to a Maintenance Program to support cost effective and high reliability to all customers.
MPS monitors electrical system performance using a SCADA system at our Power Operations Center where dispatchers have real-time information of feeder loading and device status. This system allows remote operation of equipment, alarm history and valuable performance information.
MPS has been nationally recognized among its peers with a RP3 Platinum Certification as a Reliable Public Power Provider .