Marine Electrical Power Systems:
Electric Power Load Analysis (EPLA):
Electric Power Load Analysis (EPLA) Overview

Last Update: February 12, 2026

Essential Questions

Essential Question Level of Thinking
What is an Electric Power Load Analysis (EPLA) and what is it used for?
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What are the different analytic techniques used in conducting an EPLA and used in conjunction with an EPLA?
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What is a proxy load and how is it used in an EPLA and related analyses?
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How does the EPLA evolve over a ship design?
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Text Material

EPLA Overview

Presentation Material

EPLA Overview (PowerPoint)

EPLA Overview (pdf)

Images

Video Material

References

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

DPC 200-1 Calculation of Surface Ship Endurance Fuel Requirements

DPC 200-2 Calculation of Surface Ship Annual Energy Usage, Annual Energy Cost, and Fully Burdened Cost of Energy

DPC 310-1 Electric Power Load Analysis (EPLA) for Surface Ships

Doerry, Norbert, "Shipboard power system limiting load flow and load flow analysis", IEEE ESTS 2025, Alexandria VA, August 5-8, 2025.

Doerry, Norbert, "Voltage Drop Calculations on Shipboard Power Systems", presented at 16th International Symposium on Practical Design of Ships and Other Floating Structures PRADS 2025, Ann Arbor, MI, USA, October 19th - 23rd 2025.


(C) Copyright 2024,2026 Norbert Doerry

This work by Norbert Doerry is licensed under CC BY 4.0

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