– Monthly average temperature.
– Power demand curve of the used electric appliances.
– PV generator technology with basic characteristics including
panel nominal power, nominal voltage, short circuit current,
open circuit voltage, lifetime, efficiency degradation, temperature
coefficient, specific CO2 emissions, purchase price, performance
ratio, etc.
– Battery technology and characteristics including specific costs,
nominal capacity, nominal voltage, roundtrip efficiency, maximum
DoD (Depth of Discharge), self discharge, maximum
charge and discharge currents, float life, cycles to failure vs
DoD, specific CO2 emissions, etc.
– Battery regulator technology and basic characteristics including
type, nominal voltage and voltage range, maximum current,
specific cost, MPPT (Maximum Power Point Tracking), etc.
– Financial data including interest rate and inflation.
The iHOGA modeling provides the following outputs:
– Size of the PV generator in Wp and its ideal tilt.
– Battery capacity in kW h and battery lifetime in years.
– Initial investment and NPC (Net Present Cost) with breakdown
to the component level in Euros.
– The Levelized Cost of Electricity (LCoE) in c€/kW h.
– The specific life-cycle greenhouse gas (GHG) emissions of the
installation in gCO2/kW h.