Solar payback
Investment ÷ annual savings → years
Input
Payback
generation: 11 000 кВт·год/рік
6,7 years
- Investment
- 250 000 ₴
- Savings/yr
- 37 554 ₴
- Feed-in surplus
- 4 290 ₴
A solar plant yields ~1000–1200 kWh/kW per year in Ukraine (south 1300, west 1000). Savings = self-consumption × tariff + surplus × feed-in (~0.03 €/kWh ≈ 1.3 ₴). Typical payback 6–10 years without batteries.