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Occasionally an optimized system will show an warning icon.  These warnings will typically appear in the "Sensitivity Results" and "Opt...
Q: I've already invested in HOMER 2.7 or HOMER 2.8. Am I going to have to purchase a new version of HOMER once the HOMER-2011 versions are r...
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...
* HOMER 3 editions - HOMER Explorer and HOMER Professional - run on all known versions of Windows. * _IF THIS IS YOUR FIRST TIME INSTA...
HOMER Explorer is based on the new HOMER 3 architecture. The new architecture follows the web based REST architecture in preparation of m...
Build 103 is a major release that fixes many issues from earlier releases, and implements many features that were not yet complete in ear...
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...
The HOMER software enables you to download solar resource data directly into the software. In the Solar Resource Inputs window, enter you...
This article explains how to create a new user account at users.homerenergy.com [http://users.homerenergy.com]. An account is necessary to d...
This article explains how to download and install HOMER Professional Beta (v3). The download process delivers a compressed zip file which co...
HOMER is compiled to run on the Windows operating system. However, many users have been able to use HOMER on a Macintosh, either by running ...
This article explains how to install add-on library components in the HOMER 2 (v.2.81) library. Add-on library components (eg., batteries, w...
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...
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