Sustainability-Linked Loan (SLL)
Private Equity glossary · PEF
Definition
Loan whose pricing terms include interest-rate step-ups or step-downs tied to the borrower's achievement of specified ESG KPIs — most commonly emissions-intensity reduction, diversity metrics, or safety targets. Typical mechanic: -10 bps coupon reduction if emissions intensity reduces by 20%, +10 bps step-up if KPI is missed. Distinct from green loans (use-of-proceeds-restricted financing); SLLs are general-purpose loans with pricing tied to performance. Increasingly common in middle-market and infrastructure PE deals as ESG diligence and reporting become standardized. The pricing impact is typically small (± 10-25 bps) but creates a measurable GP commitment to KPI achievement and ESG reporting discipline.
Sustainability-Linked Loan (SLL) in plain English
A "sustainability-linked loan" is an ordinary business loan with a twist: the interest rate goes slightly up or down depending on whether the borrower hits specific environmental or social targets — things like cutting pollution, improving safety, or workforce diversity. It works like a gym membership that refunds a few dollars if you actually show up: hit your goal (say, cut emissions intensity by 20%) and your rate drops a touch, around 0.10 percentage points; miss it and you pay a touch more. Importantly, the company can spend the borrowed money on anything — it's the pricing that's tied to performance, which is what separates it from a "green loan" where the cash itself must fund eco-projects. The rate change is small (usually within a quarter of a percentage point), but it puts real money behind the promise to actually measure and report progress.
Also called: SLL
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