Solar PPA screening example

Example assumptions recorded 14 September 2026

This example uses a 50 MW solar project with a 25-year PPA and a fixed tariff. Values below are rounded for reading; the calculator uses the full precision of the inputs. Re-run the same assumptions in the tool to inspect the annual schedule.

Assumptions

Technology and capacity

Solar PV · 50 MW

Solar output ?solarOutput

PVOUT 1,800 kWh/kWp/year

CAPEX ?capex

$800,000 per MW · $40.0m construction CAPEX

Commercial ?tariff

$0.05/kWh tariff · 25-year PPA · $7/kW/year OPEX

Financing

70% gearing · 18-year tenor · 6% interest · straight-line profile

Other inputs

1-year construction · 6-month DSRA · 25% tax · 20-year depreciation · 2% inflation · 0.5% degradation

Indicative outputs

DSCR values are calculated over annual periods with non-null debt service. They are not a lender covenant recommendation. The current engine does not output NPV.

Definitions: ?IRR ?DSCR ?cash flow

How to read it

The outputs are sensitive to the tariff, resource assumption, CAPEX, OPEX, financing and tax inputs. They show what the current implementation does with this one set of numbers; they do not establish a project hurdle, guarantee debt capacity or indicate that a project is investable.

• PVOUT is an illustrative annual assumption here; a live screen should record whether the value was retrieved, manually entered or a default.
• Development costs and grid costs are both zero in this example and should be confirmed rather than treated as evidence that they are absent.
• There is no named client, site, transaction, published outcome or GIA endorsement attached to this example.