Series 300 generator paralleling system is a pre-packaged, transfer-switch-based power system for paralleling generators. For load management for mid-tier installations, the system parallels 2 to 4 gen-set installations and manages 4 to 8 transfer switch load blocks. The UL 891-listed compact system enables managing generators by runtime usage, assigned priority, or load requirement. It also includes the ability to distribute power by load prioritization and to control load bus optimization, generator load demand, and generator power metering. The Series 300 is available from 208 to 600 V.