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What does the yellow exclamation point that I see in the result mean? Occasionally an optimized system will show a yellow "!" warning icon ...
HOMER calculates the IRR, Simple payback, and Discounted payback by comparing 2 systems. For these metrics to make sense, the Base case syst...
Question: I am designing a hybrid PV-Diesel system with storage. I have a question concerning the simulation results. The renewable fract...
HOMER currently assumes 100% availability (excluding resource limitations) for every component, including the grid. We plan to change tha...
There are two approaches for doing this: METHOD 1: You can allow the grid to purchase electricity from your system, even when using an...
Yes, but it assumes that all prices escalate at the same rate. With that assumption, inflation can be factored out of the analysis simply by...
Yes. To add a fuel cell to your system in HOMER, add a generator, indicate that it produces DC power, and enter appropriate cost and fuel...
Yes. Pick two systems that you want to compare from the Optimization Results and divide the difference in capital costs by the difference in...
Yes. Just click the HTML Report button in the Simulation Results window: HOMER will create an HTML-format report containing all the in...
The PV cell temperature is the temperature of the surface of the PV array. During the night it is the same as the ambient temperature, bu...
There are good reasons why you might want to enter multiple values for a particular input variable. First, you might be uncertain as to w...
This Software License Agreement ("_AGREEMENT_") is an agreement between you ("_LICENSEE_") and HOMER Energy, LLC ("_LICENSOR_") that sets...
The Smart Energy 25 is a 25 kWh, 100 kW carbon fiber flywheel. It is an AC device, but HOMER will connect it to the DC bus because it canno...
Applies to all HOMER versions This article explains how to create a new user account at users.homerenergy.com [http://users.homerenergy.co...
Applies to all HOMER versions All versions of HOMER are native to the Windows operating system. However, many users have been able to use ...
Applies to HOMER 2 This article explains how to install add-on library components in the HOMER 2 (v.2.81) library. Add-on library componen...
This article explains how to create and print a quote for the purchase of HOMER 2 at the HOMER users website, users.homerenergy.com. Most of...
This series of 12 videos will help HOMER 2 users understand some of the major differences between HOMER 2 and HOMER Pro and will help you ge...
This article describes how to install and license HOMER Pro. It assumes that you have already downloaded the product and that you are gettin...
WHAT IS THE PRICE OF HOMER PRO? WHAT ARE THE SYSTEM REQUIREMENTS FOR HOMER PRO? WHY DOESN'T HOMER PRO RUN ON WINDOWS XP? HOW DO I DOWNLOA...
This article explains how to upgrade HOMER 2 from a 14-day trial by purchasing a 180-day license. It includes instructions for placing an or...
TO IMPORT A BATTERY FROM HOMER 2: 1) Create a .hmr file with the battery in it. You can add other components to the model if you like, but ...
Some users request a way to add a power source from imported data to HOMER, for example, from another simulation tool like PVsyst. We may ad...
If you are having trouble licensing HOMER Pro, or are being re-directed to a purchasing screen, please contact support@homerenergy.com and a...
Control of the batteries is one of the more nuanced corners of HOMER. Just like everything else in HOMER, battery control decisions are base...
In several parts of HOMER Pro, you will find a blue box-and-whisker plot of monthly values. The top line corresponds to the overall maximum,...
To create a new component model in the library, use the "Copy" button. We removed the "Add new" button from the HOMER Pro Library in favor...
The "Daily Profile" plot in the Load menu is the average of weekdays in January. If you are generating a synthetic load from a built-in prof...
I TRIED TO INSTALL HOMER PRO, AND SAW THIS ERROR MESSAGE: "THERE IS A PROBLEM WITH THE WINDOWS INSTALLER PACKAGE. A DLL REQUIRED FOR THIS IN...
Several add-on modules are available that add advanced functionality to HOMER Pro. New modules will become available as they are developed. ...
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