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Title
Facing steep new TVA demand charges, Johnson City Power Board (JCPB) launched a Conservation Voltage Reduction program that trims feeder voltage only during emerging monthly peaks. A modest 2 % drop lowers system load without violating ANSI limits, turning expensive peak hours into immediate savings. Rather than build an unreliable 900 MHz radio mesh, JCPB installed 27 Boomerang sensors that report end-of-line voltage over cellular DNP3, feeding live data to SCADA scripts that bias regulators automatically. The result: roughly 7 MW shaved at every event, verified by dashboard strip-charts and delivered with no AMI overhaul. The eight-page study walks through feeder selection, plug-and-play setup, and the control logic that makes CVR both safe and repeatable.
Key topics include:
- Problem Definition
- Goals of Equipment Application
- Solution
Why utilities should care:
Every kilovolt-amp you avoid buying at the system peak protects operating budgets, frees feeder capacity, and cuts carbon. This case proves you can capture those benefits with off-the-shelf monitors and simple automation—no multimillion-dollar communications rebuild. Read it to replicate the savings and safeguard reliability metrics before the next rate hike hits.
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