Flexible options to suit your needs

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)
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
Components	Hydro	Combined Heat and Power	Hydrogen	Advanced Grid	Advanced Storage	MATLAB
Microgrid Controller
Custom control algorithms in MATLAB
Use others' custom MATLAB algorithms
Batteries
Degradation (Modified Kinetic Battery Model)
Temperature effects (Modified Kinetic Battery Model)
Rate-dependent losses (Modified Kinetic Battery Model)
Grid
Real-time rates
Scheduled rates (time of use)
Grid extension
Scheduled and unscheduled grid outages
Demand charges
Peak shaving
Hydro
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
Fuel types		8
Fuel price		S
Efficiency		S
Emissions		V
Thermal load controller (dump load)
Capital and replacement cost		S
Lifetime		S (years)
Reformer
Capital and replacement cost			S
Operations and maintenance cost			S
Lifetime			S (years)
Efficiency			S
Hydrogen delivery cost			S ($/kg/km)
Electrolyzer
Capital and replacement cost			S
Operations and maintenance cost			S
Lifetime			S (years)
Efficiency			S
Minimum load ratio			S
Hydrogen tank
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
Hydrogen fuel cell
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
Loads	HOMER Pro (main)	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
Load inputs
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
Resources	HOMER Pro (main)	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

Results	HOMER Pro (main)	Add-on Modules
Results	HOMER Pro (main)	Multi-Year
Results tables
Sensitivity table
Optimization table
Sort results on any metric
Filter results on any metric
Choose results to display
Cost summary
Comparative economics for IRR and ROI
Cash flow - General electrical outputs
Outputs for each component
Summary report and export
Time series plot, scatter plot, delta plot, table, time series data export
Emissions
Results Graphical Displays
Optimal system type plot
Surface plot
Line plot
Spider plot
Optimization plot
Optimization surface plot
Multi-year Results
Year-by-year results
Yearly plot
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

Constraints	HOMER Pro (main)
Maximum annual capacity shortage (%)
Minimum renewable fraction (%)
Operating reserve (as % of: current load, peak, solar, wind)