Configurations

Three sizes, one logic

We don't sell packages: we size the system you need. These three configurations are the cases that come up most often, calculated for central Italy with optimal orientation.

Apartment

1–2 people, low daytime use

2.5kWp

Yearly output: 3250 kWh
Storage: —
Gross cost: 6500 €
50% deduction: − 3250 €
Net cost: 3250 €
Yearly saving: 481 €
Payback: 6.8 years

Half-cut monocrystalline panels
String inverter
App monitoring
Grid connection and GSE paperwork

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Most common case

Detached house

Family of 3–4, house empty during the day

4.5kWp

Yearly output: 5850 kWh
Storage: 5 kWh
Gross cost: 14.250 €
50% deduction: − 7125 €
Net cost: 7125 €
Yearly saving: 1217 €
Payback: 5.9 years

Half-cut monocrystalline panels
Hybrid inverter
5 kWh lithium storage
App monitoring
Grid connection and GSE paperwork
Consumer unit brought up to code

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Large home

Heat pump, electric car, or both

8.0kWp

Yearly output: 10.400 kWh
Storage: 10 kWh
Gross cost: 24.200 €
50% deduction: − 12.100 €
Net cost: 12.100 €
Yearly saving: 2163 €
Payback: 5.6 years

Half-cut monocrystalline panels
Three-phase hybrid inverter
10 kWh lithium storage
Wallbox pre-wiring
App monitoring
Grid connection and GSE paperwork
Consumer unit brought up to code

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Figures calculated for central Italy (1,300 kWh/kWp) with optimal orientation, an electricity price of €0.25/kWh and a feed-in value of €0.10/kWh. The 25-year estimate already includes one inverter replacement. A real quote starts with the site survey.