Marine Electrical Power Systems:
Electric Power Load Analysis (EPLA):
Generator Capacity Sizing

Last Update: April 17, 2026

Essential Questions

Essential Question	Level of Thinking
What are the sources of requirements for determining the number and type of generator sets?	Remember
What are the requirements for determining the number and type of generator sets for IPS and non-IPS ships?	Understand
What other considerations are there for selecting generator sets?	Understand
What are the requirements for emergency generator sets?	Understand

IEEE Std 45.1 IEEE Recommended Practice for Electrical Installations on Shipboard--Design

46 CFR 111.10 Coast Guard, Department of Homeland Security, Electrical Engineering, Electrical Systems – General Requirements.

46 CFR 112 Coast Guard, Department of Homeland Security, Electrical Engineering, Emergency Lighting and Power Systems.

Dalton, Thomas, "Power Application Limitations of AC Shipboard Electric Plants for US Navy Ships," presented at ASNE TSS 2019, June 18-20, 2019, Washington DC.

This work by Norbert Doerry is licensed under CC BY 4.0