HOMER Pro Features
Flexible options to suit your needs
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Project information and setup | HOMER Pro (main) |
Locate project on map | ![]() |
View system schematic | ![]() |
AC and DC buses | ![]() |
Copy component from model to library | ![]() |
Linked sensitivities | ![]() |
HOMER Pro (main) |
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International currency and number formats | ![]() |
Paid license users can disable ads | ![]() |
Compare scenarios | ![]() |
Hybrid power system design wizard | ![]() |
Components | HOMER Pro (main) |
Microgrid Controller | |
Use commercial controllers developed with the C++ SDK | ![]() |
Generator Order dispatch | ![]() |
Cycle charging dispatch | ![]() |
Load following dispatch | ![]() |
Compare economics between different controllers and controller settings | ![]() |
Generators | Up to 20 |
Auto-sizing generator | ![]() |
Capital and replacement cost | S |
Operations and maintenance cost | S |
Maintenance scheduling | ![]() |
Operational scheduling | ![]() |
Lifetime | S (hours) |
Fuel curve | ![]() |
Emissions factors | ![]() |
Solar PV Arrays | Up to 10 |
Capital and replacement cost | S |
Type | Flat plate or concentrating |
Lifetime | S (years) |
Derating factor | V |
Dedicated converter | Inverter or maximum power point tracker |
Temperature effects | S |
Tracking, slope, azimuth | S |
Wind Turbine | 2 |
Improved wind turbine model builder | ![]() |
Capital and replacement cost | S |
Lifetime | S (years) |
Hub height | S |
Losses | V (7 types) |
Scheduled turbine maintenance | ![]() |
Components | HOMER Pro (main) |
Batteries | Up to 10 |
Improved battery model builder | ![]() |
Conventional | ![]() |
Zinc | ![]() |
Vanadium | ![]() |
Capital and replacement cost | S |
Initial state of charge | S |
Minimum state of charge | S |
Lifetime throughput | S |
Enforce or model minimum life | ![]() |
Flywheel | 1 |
Capital and replacement cost | S |
Lifetime | S |
DC/AC converter | 1 |
Capital and replacement cost | S |
Lifetime | S (years) |
Efficiency | S |
Grid | ![]() |
Grid power price | V |
Grid sellback price | V |
Sale capacity | V |
Net metering | ![]() |
Hydrokinetic | ![]() |
Capital and replacement cost | S |
Lifetime | S (years) |
Power curve | ![]() |
S – Sensitivity variable
V – Single value user-defined variable
Components | Add-on Modules | |||||
Hydro | Combined Heat and Power |
Hydrogen | Advanced Grid |
Advanced Storage |
MATLAB | |
Microgrid Controller | ||||||
Custom control algorithms in MATLAB | ![]() |
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Use others' custom MATLAB algorithms | ![]() |
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Batteries | ||||||
Degradation (Modified Kinetic Battery Model) | ![]() |
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Temperature effects (Modified Kinetic Battery Model) | ![]() |
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Rate-dependent losses (Modified Kinetic Battery Model) | ![]() |
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Grid | ||||||
Real-time rates | ![]() |
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Scheduled rates (time of use) | ![]() |
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Grid extension | ![]() |
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Scheduled and unscheduled grid outages | ![]() |
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Demand charges | ![]() |
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Peak shaving | ![]() |
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Hydro | ![]() |
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Capital and replacement cost | S | |||||
Operations and maintenance cost | S | |||||
Lifetime | S (years) | |||||
Available turbine head | S | |||||
Design flow rate | S | |||||
Minimum flow rate | S | |||||
Maximum flow rate | S | |||||
Efficiency | S | |||||
Pipe head loss | S | |||||
Boiler | ![]() |
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Fuel types | 8 | |||||
Fuel price | S | |||||
Efficiency | S | |||||
Emissions | V | |||||
Thermal load controller (dump load) | ![]() |
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Capital and replacement cost | S | |||||
Lifetime | S (years) | |||||
Reformer | ![]() |
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Capital and replacement cost | S | |||||
Operations and maintenance cost | S | |||||
Lifetime | S (years) | |||||
Efficiency | S | |||||
Hydrogen delivery cost | S ($/kg/km) | |||||
Electrolyzer | ![]() |
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Capital and replacement cost | S | |||||
Operations and maintenance cost | S | |||||
Lifetime | S (years) | |||||
Efficiency | S | |||||
Minimum load ratio | S | |||||
Hydrogen tank | ![]() |
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Capital and replacement cost | S | |||||
Operations and maintenance cost | S | |||||
Set initial tank level | S | |||||
Option to require year-end tank level to equal or exceed initial level | ![]() |
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Hydrogen fuel cell | ![]() |
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Capital and replacement cost | S | |||||
Operations and maintenance cost | S | |||||
Maintenance scheduling | S | |||||
Operational scheduling | S | |||||
Lifetime | S (years) | |||||
Fuel curve | ![]() |
S – Sensitivity variable
V – Single value user-defined variable
Loads | HOMER Pro (main) |
Add-on Modules | ||||||||
Advanced Load | Combined Heat and Power |
Hydrogen | ||||||||
Electrical Load | 1 | 2 | ||||||||
Scaled annual average | S | |||||||||
Variability | V | |||||||||
Deferrable Load | 1 | |||||||||
Scaled annual average | S | |||||||||
Storage capacity | S | |||||||||
Peak | S | |||||||||
Minimum load ratio | S | |||||||||
Thermal Load | 2 | |||||||||
Scaled annual average | S | |||||||||
Variability | V | |||||||||
Hydrogen Load | 1 | |||||||||
Scaled annual average | S | |||||||||
Variability | V | |||||||||
Penalties for unmet load | ![]() |
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Load inputs | ![]() |
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Easy data entry with typical load profiles | ![]() |
Thermal | ||||||||
Import data | ![]() |
Thermal | ||||||||
Read from library | ![]() |
Thermal | ||||||||
Build from measured data | ![]() |
Thermal |
S – Sensitivity variable
V – Single value user-defined variable
Resources | HOMER Pro (main) |
Add-on Modules | |
Biomass | Hydro | ||
Fuels | Diesel, ethanol, methanol, natural gas, biogas, gasoline, propane, biodiesel, hydrogen, and custom user-defined | ||
Fuel price | S | ||
Solar GHI | Download from Internet or import | ||
Scaled annual average | S | ||
Solar DNI | Import | ||
Scaled annual average | S | ||
Wind | Download from Internet or import | ||
Scaled annual average | S | ||
Surface roughness | S | ||
Temperature | Download from Internet or import | ||
Scaled annual average | S | ||
Biomass | Import or enter | ||
Scaled annual average | S | ||
Average price | S | ||
Carbon content | S | ||
Gasification ratio | S | ||
Lower heating value | S | ||
Hydro | Import or enter | ||
Scaled annual average | S | ||
Hydrokinetic | Import or enter | ||
Scaled annual average | S |
S – Sensitivity variable
V – Single value user-defined variable
System Control | HOMER Pro (main) |
Time step size | 1 to 60 minutes |
Fuel minimization option | ![]() |
Weight minimization option | ![]() |
Dispatch strategies | 2 |
Results | HOMER Pro (main) |
Add-on Modules |
Multi-Year | ||
Results tables | ![]() |
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Sensitivity table | ![]() |
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Optimization table | ![]() |
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Sort results on any metric | ![]() |
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Filter results on any metric | ![]() |
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Choose results to display | ![]() |
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Cost summary | ![]() |
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Comparative economics for IRR and ROI | ![]() |
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Cash flow - General electrical outputs | ![]() |
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Outputs for each component | ![]() |
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Summary report and export | ![]() |
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Time series plot, scatter plot, delta plot, table, time series data export | ![]() |
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Emissions | ![]() |
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Results Graphical Displays | ![]() |
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Optimal system type plot | ![]() |
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Surface plot | ![]() |
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Line plot | ![]() |
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Spider plot | ![]() |
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Optimization plot | ![]() |
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Optimization surface plot | ![]() |
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Multi-year Results | ![]() |
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Year-by-year results | ![]() |
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Yearly plot | ![]() |
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Results recycling | ![]() |
Economics sensitivity variables | HOMER Pro (main) |
Annual nominal interest rate | ![]() |
Expected inflation rate | ![]() |
Project lifetime | ![]() |
System fixed capital costs | ![]() |
System fixed O&M costs | ![]() |
Capacity shortage penalty | ![]() |
Emissions | HOMER Pro (main) |
Carbon dioxide | ![]() |
Carbon monoxide | ![]() |
Unburned hydrocarbons | ![]() |
Particulate matter | ![]() |
Sulfur dioxide | ![]() |
Nitrogen oxides | ![]() |
Constraints | HOMER Pro (main) |
Maximum annual capacity shortage (%) | ![]() |
Minimum renewable fraction (%) | ![]() |
Operating reserve (as % of: current load, peak, solar, wind) | ![]() |