Wind Farm Investment Calculator
Base caseFictional wind farm “Musterhöhe” · 5 × 6.3 MW · Hesse, Germany
Illustrative calculation — not investment, tax or legal advice. The wind farm is fictional. Data as of 30 Sept 2026.
Equity IRR 3.01%
In P90 and Downside the loan keeps its base-case size — the lender’s view after financial close.
Annual cash flows
€ million, nominal
- Revenue
- Opex
- Taxes
- Debt service
- Distributions to owners
Debt service cover
CFADS ÷ debt service
- Base
- P90 (same loan)
Revenue per kWh
ct/kWh, nominal
- Market value
- Market premium
Debt service
€ million
- Interest
- Principal
Key facts
- Capacity
- 31.5 MW
- P50 full-load hours
- 2,439 h
- Correction factor
- 1.316
- Anzulegender Wert
- 6.30 ct/kWh
- Commissioning
- 1 Jul 2028
- EEG support ends
- 19 Oct 2049
- Loan repaid
- 31 Dec 2046
- End of life
- 1 Jul 2053
- Loan limited by
- P90 DSCR on the EEG floor
- Lender case
- lowest DSCR on the EEG floor: P50 1.27x, P90 1.00x
Sources & uses of funds
€ thousand · 36.7% gearing
| Capex | 57,136 |
| Upfront fee | 215 |
| Commitment fees | 223 |
| Interest during construction | 594 |
| VAT bridge interest | 112 |
| Debt service reserve | 288 |
| Total uses | 58,568 |
| Senior loan | 21,510 |
| Equity | 37,058 |
| Total sources | 58,568 |
Debt: €21.5m · Equity: €37.1m
A model by Igor Sabodakha · Every input has a public source or is marked as an assumption.