1 / 5
| System Size | Estimated Cost (€) | Annual Generation (kWh) | Annual Savings (€) | Payback Period (Years) | Profit Period (Years) |
|---|---|---|---|---|---|
| 3 kW | 4,500 – 6,000 | 2,700 – 3,000 | 540 – 600 | 7.5 – 11.1 | 9 – 11 |
| 5 kW | 7,500 – 10,000 | 4,500 – 5,000 | 900 – 1,000 | 7.5 – 11.1 | 9 – 11 |
| 10 kW | 15,000 – 20,000 | 9,000 – 10,000 | 1,800 – 2,000 | 7.5 – 11.1 | 9 – 11 |
| 20 kW | 25,000 – 30,000 | 18,000 – 20,000 | 3,600 – 4,000 | 6.3 – 8.3 | 8 – 9 |
| 30 kW | 37,000 – 45,000 | 27,000 – 30,000 | 5,400 – 6,000 | 6.2 – 8.3 | 8 – 9 |