Peak Shaving programs are used by companies looking to save on utility power costs through strategic transferring of load between utility and backup generators based on utility costs and load demand.

Utility and generators are paralleled and electrical load is transferred fully or partially to facility backup generators when the utility is currently at peak load demand (high utility cost) and then retransferred to utility during off-peak periods to take advantage of energy cost savings.

These programs require the use of generator/utility paralleling controls, automated synchronization, automatic transfer switches, utility-approved relays, and redundant PLC’s to operate correctly.

Peak Shaving programs are similar to Load Curtailment programs in how they operate. The major difference is that in Peak Shaving programs, paralleling to local utility is necessary and allows local generation to be less than full site load.