Cover
Purpose, scope, limitations and colour convention.
Downloadable public model
A formula-driven public workbook showing how a utility-scale solar project moves from operating assumptions to funding, debt service, lender ratios, equity cash flow, sensitivities and audit checks.
Model viewer
The tables below reproduce the core public outputs. The Excel download contains formulas, scenario controls and all nine sheets.
Debt-service profile
Finance interpretation
| Section | Assumption | Base case | Unit |
|---|---|---|---|
| Energy | P90 Year 1 gross generation | 124,780 | MWh |
| Energy | Degradation / availability / losses / curtailment | 0.5% / 98.5% / 1.5% / 1.0% | Annual / operating |
| Revenue | PPA tariff and escalation | US$0.070 / 1.5% | per kWh / p.a. |
| CAPEX | EPC, grid, development and contingency | US$56.58m | Base uses |
| Debt | Cap / interest / tenor / grace | 70% / 6.5% / 15 years / 2 years | Senior debt |
| Credit | Target DSCR / LLCR / DSRA | 1.30x / 1.25x / 6 months | Lender metrics |
| Tax | Tax rate / holiday / depreciation | 30% / 5 years / 20 years | Public placeholders |
| EPC cost | US$50.00m |
|---|---|
| Grid connection | US$1.50m |
| Development cost | US$2.50m |
| Contingency | US$2.58m |
| Financing fee | US$0.59m |
| Initial DSRA | US$1.29m |
| Total uses | US$58.46m |
| Senior debt | US$39.60m |
|---|---|
| Equity requirement | US$18.85m |
| Debt / base uses | 70.0% |
| Debt / total uses | 67.7% |
| Funding surplus / gap | US$0 |
| Sources equal uses | PASS |
| Year | Opening debt | Interest | Principal | Debt service | CFADS | DSCR | LLCR |
|---|---|---|---|---|---|---|---|
| 1 | US$39.60m | US$2.57m | — | US$2.57m | US$7.43m | 2.88x | 1.60x |
| 3 | US$39.60m | US$2.57m | US$2.03m | US$4.61m | US$7.47m | 1.62x | 1.50x |
| 6 | US$33.11m | US$2.15m | US$2.45m | US$4.61m | US$6.12m | 1.33x | 1.69x |
| 10 | US$22.29m | US$1.45m | US$3.16m | US$4.61m | US$6.18m | 1.34x | 2.53x |
| 15 | US$4.32m | US$0.28m | US$4.32m | US$4.61m | US$6.25m | 1.36x | 11.22x |
The public model uses an interest-only grace period followed by level annual debt service. A live mandate can replace this with repayment sculpting, cash sweeps, multiple facilities, construction-period debt and covenant-specific distribution tests.
| Scenario | Project IRR | Equity IRR | Minimum DSCR | Interpretation |
|---|---|---|---|---|
| Base | 10.63% | 16.21% | 1.33x | Passes the public model hurdles |
| Tariff -10% | 9.61% | 13.58% | 1.23x | Coverage falls below target |
| Yield -10% | 9.61% | 13.58% | 1.23x | Same revenue effect in this simplified case |
| CAPEX +10% | 9.93% | 14.39% | 1.26x | Returns and headroom weaken |
| Interest +200 bps | 11.03% | 14.33% | 1.22x | Debt service becomes binding |
| Combined downside | 7.25% | 6.46% | 1.22x | Requires re-pricing or re-structuring |
| Upside | 14.25% | 29.33% | 1.74x | Strong equity and lender headroom |
Workbook architecture
The workbook is deliberately compact enough to inspect while retaining the main mechanics expected in a project-finance review.
Purpose, scope, limitations and colour convention.
Investment, debt and model-status outputs.
Separated technical, commercial, cost, debt, tax and scenario assumptions.
Generation, losses, degradation, revenue and OPEX.
Sources and uses, financing fees, DSRA and debt-cap selection.
Opening balance, interest, principal, DSCR, LLCR and lock-up.
CFADS, reserve movement, distributions, IRR and NPV.
Tariff, yield, CAPEX, interest and combined cases.
Funding, debt, covenant and public-disclosure integrity tests.
Live mandate
Public Excel file
The workbook is synthetic and may be used to assess modelling approach. It should not be relied on for an investment or lending decision.
Model build or review
Send the current model, project stage, required decision and deadline. Confidential files are exchanged only after scope and NDA confirmation.