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Ignatius Mikheev
Ignatius Mikheev

Homer Energy Software 20

All HOMER software is built on the trusted, market-leading HOMER platform, used by more than 250,000system designers and developers in over 190 countries. With decades of experience, we provide the mostrobust, accurate solutions to help make hybrid power systems technically optimal and maximallycost-effective.

Homer Energy Software 20

Advisory ServicesUL advisory services enable you to leverage our long-standing expertise in renewable energy andqualifications as independent engineers. We offer full project support from feasibility studies, to designand certification. Talk to an expert to learn how we can help withyour project.

Training in HOMER Software and AnalysisEmpower your team with the skills and understanding needed to get the full benefit of HOMER software andanalysis. Sessions are available for individuals or organizations. Find the training session you need.

Microgrid experts and people from more than 120 countries joined us three energy-charged days at the ninthannual HOMER Microgrid and Hybrid Power International Conference in October 2021. Complimentary recordings ofthe conference presentations are available to watch on-demand.Join the hybrid power revolution!

Together, UL and HOMER Energy provide a strong foundation to empower people around the world with tools,services and information to accelerate the adoption of renewable and distributed energy sources. Read thepress release on www.ul.comfor more information.

Built from the same code base as HOMER Pro, the global standard for designing distributed generation systems, and reusing many of its powerful optimization and visualization tools, HOMER Grid simplifies decisions about distributed energy resource investments. It helps engineers and business development teams understand the value of demand charge reduction, energy arbitrage, and self-consumption so they can determine the best mix of resources for the least-cost solution, and design a system with the best rate of return.

While solar-plus-storage systems have the ability to reduce energy consumption and demand charges, other behind-the-meter technologies, such as combined heat and power, or on-site generators powered by natural gas, can be just as effective for certain systems. HOMER Grid is the first tool for this market that considers all of these technologies, providing users with the best potential mix of resources for the least-cost solution.

Incorporating the Genability utility tariff database, and also allowing customers to build their own tariffs, HOMER Grid will take inputs on customer load profile types and utility tariffs, and determine optimally sized hybrid renewable energy systems. Then it will run simulations for thousands of different types of system configurations for every hour of the year, and rank the results by financial performance. With options for solar PV, storage, generators, combined heat and power, and more, HOMER Grid allows users to tailor their design to the exact needs of a project. To learn more, visit

It is also possible to run HOMER without allowing individual users write permissions on most HOMER directories, however, directories located in data/genomes/*/preparsed/ should still be group writable since this is where general files for motif analysis will be stored after first use to speed up motif discovery analysis. As of HOMER v4.4, the software will set permissions on this directory to 775. Alternatively, users can specify "-preparsedDir " while running to store the files locally.

HOMER Energy by UL, a global developer of energy modeling software, announced that HOMER Grid, software for designing grid-tied distributed energy projects, can now model how hybrid systems power electric vehicle (EV) charging stations.

The software can model a range of applications, including an on-demand mode which charges vehicles as fast as possible, or a smart, deferrable mode where EV charging is optimized for the lowest impact on the utility bill.

Project engineers and designers have a growing need to respond to increased demand for EV charging stations, as well as a growing awareness that electric vehicles should be charged with affordable, clean energy in order to reduce carbon emissions. The solution is to co-locate renewables and storage with charging infrastructure. HOMER Grid can model how renewables and distributed generation address the growing demand for EV charging in a clean and cost-effective way.

The smart or deferrable charging station mode models the intelligent charging of a car or a fleet of cars to minimize the cost. It prioritizes the use of renewable power and schedules charging to take advantage of grid electricity when it is at its lowest cost. The smart charger allows project developers to leverage HOMER Grid's capability to model demand charge reduction in any distributed renewable energy system and apply this to an EV charging station.

The EV Charging Design Tool in HOMER Grid accepts inputs to describe vehicle types and charging requirements, such as EV battery size (kWh) and maximum charge rate (kW). The software allows a project developer to define how often the charging station is in use through average charge duration time and traffic density over the course of the year.

HOMER Grid also incorporates characteristics of the EV charging station, such as the maximum charge rate of EV station connector (kW). Using this information, the software can model load requirements for electric vehicles in conjunction with other critical and non-critical electric loads in a given system. It then models technologies such as solar, wind, batteries, or combined heat and power (CHP), and calculates the optimal system configuration with the lowest cost. It also allows users to simulate control strategies to dispatch power to the EV charging station that matches their specific circumstances.

The software generates simulation reports that show how the various resources are dispatched in a given system and produces professional-looking proposals that can be used to communicate clearly with diverse team members, potential investors and clients, or other stakeholders.

Developed primarily for commercial and industrial users, HOMER Grid software helps reduce financial and engineering risk through feasibility simulation of multiple system configurations and identification of least-cost options. It can also solve for systems with the lowest carbon emissions and other factors.

Originally developed at the National Renewable Energy Laboratory (NREL), HOMER software provides insight into the complexities and tradeoffs of designing cost effective, reliable microgrids, driving informed decision making.

The software generates powerful simulation reports that show how the various resources are dispatched in a given system and produces professional-looking proposals that can be used to communicate clearly with diverse team members, potential investors and clients, or other stakeholders.

The EV market, which has been growing at more than 50% annually since 2013, is now expanding faster than expected. According to the Boston Consulting Group, sales of EV vehicles, including both plug-in hybrid and battery-only vehicles, will account for a third of all auto sales by 2025, and outpace sales of internal combustion vehicles by 2030. The rapid growth of EV sales is creating pressure for more investment in EV charging stations. The demand for charging stations is, in turn, driving demand for the design of distributed renewable energy systems that can produce clean power for transportation.

About HOMER Energy by UL: HOMER Energy by UL is the developer and distributor of HOMER software, a global standard for energy modeling tools that analyze solar-plus-storage, microgrids, and other distributed energy projects. HOMER Pro simulates the engineering and economic feasibility of complex off-grid and grid-tied distributed energy systems that combine conventional and renewable power, storage, and load management. HOMER Grid, aimed at the behind-the-meter solar-plus-storage market, helps commercial and industrial customers design hybrid renewable energy systems that save on electricity bills and lower carbon footprints. Based in Boulder, Colorado, HOMER Energy has over 200,000 users in more than 190 countries. Learn more at


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