PV and BESS profitability calculator
The calculator computes IRR, NPV, LCOE, DSCR and payback for PV and BESS projects using market benchmarks for the selected country. All financing models — cash, leasing, project finance and ESCO — run on the same versioned engine.
Parameters
Technology
- Project market
- Spain
- Reference market
- Spain
Financing models
Equity IRR: 29.0%, NPV at WACC: 10.2m EUR, Payback period: 3.5 years
28.99%
Equity IRR
10,160,781EUR
NPV at WACC
58.92EUR/MWh
LCOE
—
Minimum DSCR
3.54years
Payback period
1,506,750EUR
EBITDA year 1
The calculations are indicative and based on market benchmarks. They do not constitute investment advice or an offer. A precise analysis requires project data.
Cumulative equity cash flow
Detailed comparison
Equity IRR
- All-cash purchase28.99%
- Operating lease128.76%
- Project finance69.32%
- ESCO / OPEX model—
NPV at WACC
- All-cash purchase10,160,781 EUR
- Operating lease10,329,655 EUR
- Project finance10,515,276 EUR
- ESCO / OPEX model10,390,490 EUR
Equity engaged
- All-cash purchase4,500,000 EUR
- Operating lease450,000 EUR
- Project finance1,350,000 EUR
- ESCO / OPEX model0 EUR
58.92EUR/MWh
LCOE (technology cost)
Comparison table
| Metric | All-cash purchase | Operating lease | Project finance | ESCO / OPEX model |
|---|---|---|---|---|
| Net outlay | 4,500,000 | 4,500,000 | 4,500,000 | 4,500,000 |
| Equity | 4,500,000 | 450,000 | 1,350,000 | 0 |
| Debt / financed amount | 0 | 4,050,000 | 3,150,000 | 0 |
| EBITDA year 1 | 1,506,750 | 1,506,750 | 1,506,750 | 1,125,600 |
| NPV at WACC | 10,160,781 | 10,329,655 | 10,515,276 | 10,390,490 |
| Project IRR | 28.99% | 26.74% | 28.99% | — |
| Equity IRR | 28.99% | 128.76% | 69.32% | — |
| Payback period | 3.54 | 0.80 | 1.48 | 0.00 |
| Discounted payback period | 4.19 | 0.86 | 1.62 | 0.00 |
| Minimum DSCR | — | — | 3.35 | — |
| Average DSCR | — | — | 3.59 | — |
| Total benefit over the horizon | 28,451,385 | 23,305,154 | 24,189,078 | 20,486,328 |
ESCO / OPEX model
- The ESCO model engages no equity, so IRR is undefined. Comparison with an outright cash purchase does not account for the loss of asset ownership and residual value after the contract term.