Marine Electrical Power Systems:
Electric Power Load Analysis (EPLA):
Annual energy usage and annual energy cost calculations

Last Update: August 8, 2026

Essential Questions

Essential Question Level of Thinking
What information is needed to perform an Annual Energy Usage and Annual Energy Cost Calculation?
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How does one obtain the information needed to perform an Annual Energy Usage and Annual Eerngy Cost Calculation?
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What are the results of an Annual Energy Usage and Annual Energy Cost Calculation used for?
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How is an Annual Energy Usage and Annual Energy Cost Calculation performed?
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Text Material

Doerry, Norbert, and Mark A. Parsons, "Modeling Shipboard Power Systems for Endurance and Annual Fuel Calculations," SNAME J Ship Prod Des (2023)
This paper was created by U.S. federal government employees as part of their official duties; cannot be copyrighted in the United States; and automatically enters the public domain.

Developing a generator set scheduling table

Developoing a propulsion scheduling table

Presentation Material

Annual Energy Usage and Annual Energy Cost Calculations Presentation ... (pptx)

Images

Video Material

References

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

Doerry, Norbert, and Mark A. Parsons, "Modeling Shipboard Power Systems for Endurance and Annual Fuel Calculations," SNAME J Ship Prod Des (2023)

SL101-AA-GYD-010 NAVSEA Technical Publication - Shipboard Energy Conservation Guide

OPNAVINST 9094.1 Full Power and Economy Trail Requirements for Non-Nuclear Surface Ship Classes


(C) Copyright 2024-2026 Norbert Doerry

This work by Norbert Doerry is licensed under CC BY 4.0

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