How ESG Reporting Helps Companies Qualify for Green Bonds and Sustainability-Linked Loans

What Are Green Bonds and Sustainability-Linked Loans?

Green bonds are bonds that have their revenues used only in qualified environmental projects, which include renewable energy, clean transportation, energy efficiency in buildings, or sustainable water use. The issuers will provide regular coupon payments and will prepare yearly reports of how their money is being spent.

Sustainability-linked loans (SLLs) operate on a different structure. The borrowed funds can be used for any business-related activities, but the borrowing interest rate is determined according to the company's success in meeting the predetermined sustainability performance targets (SPTs). For instance, a company producing goods could have a 0.2% discount on the interest rate if it manages to cut its Scope 1 & 2 GHG emissions by 15% in three years (La Gro, 2025).

These financial tools help to gain wider access to the investment communities that require ESG criteria and lower costs due to favourable pricing called the "greenium."

Why ESG Reporting Helps Companies Access Green Bonds, ESG Bonds, and Sustainability-Linked Loans

Strong ESG reporting frameworks are now essential for companies looking to issue ESG green bonds, secure sustainable bonds, or qualify for sustainability-linked financing.

The issuance of green bonds involves having an established selection of project frameworks, ring-fencing of funds, and impact reporting yearly after issuance. None of this would be possible without the existence of credible and accurate ESG information and measurement systems.

SPTs for SLLs have to be measurable, verifiable, and ambitious. Without a system that measures the level of GHG emissions in a company, it is impossible to make a commitment towards its reduction, and hence, such lending is only done at regular interest rates or rejected.

OECD (2024) data reveal that 93% of global issuances of sustainable bonds involve references to ICMA principles.

Green Bonds vs Sustainability-Linked Loans: Key Differences

The table below compares the two instruments across criteria most relevant to CFOs and treasury teams:

Types of Sustainable Debt Instruments

The table below defines the five core sustainable debt instruments available to corporate issuers:

Key ESG Frameworks and Sustainable Finance Standards

Most issuers of ESG green bonds and sustainable bonds align their disclosures with internationally recognised standards such as ICMA GBP and SEBI regulations.

Step-by-Step Guide to Qualify for Green Bonds and Sustainability-Linked Loans

Step 1:

Establish ESG baselines. Evaluate Scope 1, 2, and 3 GHG emissions, energy intensity, and water consumption via the GHG Protocol. All SPTs and framework commitments rely on this data.

Step 2:

Choose the right tool. Green bonds are best suited for capital-heavy projects; SLLs for holistic sustainability transformation of the company without capital ring-fencing.

Step 3:

Develop either the Green Finance Framework or SPTs. The former must conform to ICMA GBP; SPTs must be ambitious, time-bound, and independently verifiable. Do not use overly ambitious or easily reachable targets.

Step 4:

Procure second-party opinion (SPO). Invite an accredited third-party (Sustainalytics, DNV, KPMG or others) to confirm your framework before issuance.

Step 5:

Organise proper proceeds management. In case of a use-of-proceeds bond, create a sub-account ring-fenced for investment purposes and audited annually.

Step 6:

Issue annual post-issuance report. Confirm capital allocation and measure environmental impact: how many tonnes of CO2 have been offset, megawatts of renewables installed, litres of water saved.

Common KPIs and Targets Used in Sustainable Finance

Commonly used KPI categories in sustainability-linked instruments:

Greenwashing Risks and How to Avoid Them

Greenwashing is the misrepresentation of a sustainable instrument's environmental or social benefits. Consequences include SEBI enforcement, investor litigation, credit rating downgrades, and restricted future market access.

Common greenwashing risks in green bonds and SLLs:

• Vague SPTs that allow performance claims without real operational change.

• Proceeds allocated to activities excluded from the applicable green taxonomy.

• Impact reports that omit negative externalities or rely on unverified data.

• Baseline manipulation: selecting a poor base year to inflate apparent progress.

How to reduce greenwashing exposure:

• Align with a recognised taxonomy: the EU Taxonomy, Climate Bonds Standard, or SEBI's green debt framework.

• Commission an SPO from an independent, conflict-free accredited reviewer.

• Obtain third-party assurance on post-issuance impact reports, not only at the issuance stage.

How Oren Helps Companies Achieve Sustainable Finance Readiness

Oren provides end-to-end ESG reporting and sustainable finance advisory, bridging the gap between a company's current disclosure capability and the standards required by green bond investors and SLL lenders.

Oren's readiness programme covers: ESG baseline measurement and gap analysis against ICMA GBP and SEBI requirements; Green Finance Framework development; SPT design and calibration; SPO coordination with accredited reviewers; and ongoing post-issuance impact reporting support.

For Indian corporates navigating SEBI's updated ESG debt framework (effective June 2025), Oren's BRSR Core advisory ensures that disclosure obligations and sustainable finance eligibility criteria are addressed together, reducing duplication and accelerating time to first issuance.