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Homer Software Essay

5533 words - 23 pages

Getting Started Guide for HOMER Version 2.1

April 2005

National Renewable Energy Laboratory
1617 Cole Boulevard, Golden, Colorado 80401-3393 303-275-3000 • www.nrel.gov Operated for the U.S. Department of Energy Office of Energy Efficiency and Renewable Energy by Midwest Research Institute • Battelle

HOMER Getting Started Guide 2/30

About this Getting Started Guide
This Getting Started guide introduces you to HOMER by walking you through eleven steps. You will start by providing HOMER with information, or inputs, about power system designs that you want to consider. HOMER will simulate system configurations, create a list of feasible system designs, and sort the list by ...view middle of the document...

.............................. 3 Step one: Formulate a question that HOMER can help answer .......................... 5 Step two: Create a new HOMER file................................................................... 6 Step three: Build the schematic ........................................................................ 7 Step four: Enter load details ............................................................................. 9 Step five: Enter component details ................................................................. 11 Step six: Enter resource details ...................................................................... 15 Step seven: Check inputs and correct errors ................................................... 17 Step eight: Examine optimization results........................................................ 20 Step nine: Refine the system design ............................................................... 22 Step ten: Add sensitivity variables .................................................................. 25 Step eleven: Examine sensitivity analysis results ........................................... 27 Getting Started Guide summary ...................................................................... 29 Contacts.......................................................................................................... 30

HOMER v2.1 (April 2005)

HOMER Getting Started Guide 3/30

Welcome to HOMER
What is HOMER?
HOMER, the micropower optimization model, simplifies the task of evaluating designs of both off-grid and grid-connected power systems for a variety of applications. When you design a power system, you must make many decisions about the configuration of the system: What components does it make sense to include in the system design? How many and what size of each component should you use? The large number of technology options and the variation in technology costs and availability of energy resources make these decisions difficult. HOMER's optimization and sensitivity analysis algorithms make it easier to evaluate the many possible system configurations.

How do I use HOMER?
To use HOMER, you provide the model with inputs, which describe technology options, component costs, and resource availability. HOMER uses these inputs to simulate different system configurations, or combinations of components, and generates results that you can view as a list of feasible configurations sorted by net present cost. HOMER also displays simulation results in a wide variety of tables and graphs that help you compare configurations and evaluate them on their economic and technical merits. You can export the tables and graphs for use in reports and presentations. When you want to explore the effect that changes in factors such as resource availability and economic conditions might have on the cost-effectiveness of different system configurations, you can use the model to perform sensitivity analyses. To perform a...

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