Economic Assessment and Business Models of Rooftop Photovoltaic Systems in Multiapartment Buildings: Case Studies for Austria and Germany

Table 1

Value assumptions.

Abbreviation	Explanation	Value
	Maximum PV peak capacity	21
	Maximum state of charge	100 kWh
	PV system cleaning costs	2.5 EUR/m^2/yr
for AT	Fixed costs of electricity	65 EUR/yr
for DE	Fixed costs of electricity	50 EUR/yr
	Fixed costs when installing a PV system	3372 EUR
	Annual insurance costs of PV system	0 EUR/yr
	Operational costs of PV system	60 EUR/yr
for AT	Variable component of retail electricity price	0.148 EUR/kWh
for DE	Variable component of retail electricity price	0.2732 EUR/kWh
	Specific investment costs of PV system	1029 EUR/
	Specific investment costs of storage facility	1000 EUR/kWh
	Price for electricity fed into the grid	0.03 EUR/kWh