Structured Finance and the Special Purpose Vehicle (SPV) Framework
In the architecture of Project Finance, the Special Purpose Vehicle (SPV) is the central hub through which all capital flows and legal obligations are channeled.
An SPV is a "bankruptcy-remote" entity, meaning its financial health is legally de-coupled from the corporate sponsors who initiated the project. This is a critical technical requirement for "Non-Recourse" lending. From a structural perspective, the SPV holds the titles to all project assets, the rights to all permits, and the obligations under every project contract. By ring-fencing these elements, lenders ensure that the cash flows generated by the project are not commingled with the sponsor's other business interests.
The "Capital Stack" within an SPV is highly geared. Unlike a typical corporate balance sheet which might maintain a $1:1$ debt-to-equity ratio, a project finance SPV often operates at a $70:30$ or even $90:10$ ratio. This high leverage is only possible because the project's future cash flows are "contracted" through long-term agreements.
The equity provided by the sponsors acts as a "first-loss" buffer; if the project underperforms, the equity holders lose their investment before the lenders' principal is touched. This document further explores the "Subordinated Debt" layer, which sits between senior debt and pure equity, providing a hybrid form of capital that offers higher yields in exchange for taking on higher risk during the construction and early operational phases.

