Beyond Office Recycling: Financed Emissions at Banks and Why PCAF Matters

Most GCC banks can tell you their Scope 1 and 2 emissions down to the kilowatt. But ask about financed emissions—the 99% hidden in the loan portfolio—and the room goes quiet.

As sustainability leaders, when we assess a financial institution's environmental impact, we don't focus on paperless billing or solar-powered branches. Those operational footprint metrics (Scope 1 and Scope 2) typically account for less than 1% of a bank's total emissions.

The remaining 99%? It's in the balance sheet.

Every commercial loan, project finance facility, and mortgage carries an environmental footprint. In carbon accounting, these are known as financed emissions (or Scope 3, Category 15: Investments).

This isn't a sustainability reporting exercise. It's a balance sheet risk issue that regulators, investors, and rating agencies are now pricing in.

For years, quantifying financed emissions was a complex exercise in assumption. Today, progressive financial institutions across the GCC are adopting PCAF (Partnership for Carbon Accounting Financials) to standardize how portfolio carbon is measured, managed, and reported.

Let's break down what PCAF is, how it operates, and why it has become essential for GCC banks.

What is PCAF?

PCAF is an industry-led, global greenhouse gas (GHG) accounting standard designed specifically for financial institutions.

Built on the foundation of the GHG Protocol, PCAF provides standardized rules to measure and disclose the carbon emissions linked to loans and investments. It translates complex corporate carbon data into financial terms.

In simple terms: for every loan a bank extends to a corporate borrower, PCAF calculates how much of that borrower's carbon output belongs to the bank.

How PCAF Works

PCAF removes ambiguity by using a standardized approach built around three core pillars: Attribution Factor, Asset Class Methodology, and Data Quality.

Here's how each works.

The Attribution Factor (Ownership Share)

PCAF allocates a counterparty's emissions to a bank based on the proportion of capital the bank provided relative to the total value of that company or asset.

Example: If a bank provides a BHD 10 million loan to an industrial facility valued at BHD 50 million, the bank is responsible for 20% of that facility's total greenhouse gas emissions in its Scope 3 disclosure.

This answers the first question every CFO asks: How much exposure do we actually own?

Asset Class Methodologies

Portfolio structures vary, so PCAF provides tailored rules across specific asset classes:

• Business Loans & Corporate Bonds
• Project Finance (e.g., power plants, industrial facilities)
• Commercial Real Estate & Mortgages
• Sovereign Debt & Trade Finance

Each asset class has its own calculation methodology because a mortgage doesn't behave like a petrochemical project loan.

Data Quality Score

Banks rarely have access to perfect emissions data for every client on day one—especially across unlisted mid-market companies.

PCAF addresses this by introducing a Data Quality Hierarchy scored from 1 (highest) to 5 (lowest):

• Score 1–2: Primary data (verified, audited emissions direct from the client).
• Score 3: Physical activity data (energy consumption, fuel logs, floor area).
• Score 4–5: Economic proxies (estimating emissions based on sector averages and financial revenue).

This structure allows banks to begin portfolio accounting immediately using sector proxies while establishing clear targets to improve data quality over time.

It answers the second question risk managers ask: How reliable is our data?

Why GCC Banks Need PCAF

For financial institutions across Saudi Arabia, the UAE, Bahrain, Qatar, Kuwait, and Oman, PCAF is not optional. It's a core commercial and risk management lever.

Here's why.

1. Access to International Capital Markets

Global institutional investors (e.g., BlackRock, European pension funds) and syndicate partners require portfolio climate transparency before participating in bond issuances, sukuk, or syndicated loans.

No financed emissions disclosure? No participation.

2. Mandatory & Emerging Regional Disclosures

GCC central banks (e.g., CIMA, CBUAE, SAMA, CBB) are increasingly issuing climate risk frameworks. Aligning with PCAF prepares banks for mandatory ISSB (IFRS S2) and TCFD-aligned reporting.

Regulators are moving faster than most banks expect.

3. Transitioning High-Carbon Asset Portfolios

GCC economies are historically heavy on oil & gas, real estate, petrochemicals, and heavy industry. GCC banks need a rigorous baseline to measure transition risk and avoid stranded asset exposure in their loan books.

Example: A bank with heavy exposure to a petrochemical borrower faces transition risk if carbon pricing or CBAM tariffs affect that client's margins—impacting loan performance before maturity.

4. Unlocking Green & Sustainable Finance

To issue credible Green Sukuk, Sustainability-Linked Loans (SLLs), or transition finance products, banks must first prove the baseline emissions of the assets being financed.

You can't measure progress without a starting point.

Moving Financed Emissions to the Boardroom

Measuring financed emissions is no longer a peripheral sustainability exercise. It is an essential component of modern balance sheet management, risk assessment, and capital allocation.

Adopting standard methodologies like PCAF gives GCC banks a clear baseline to protect portfolio value, satisfy international capital markets, and direct capital toward the region's broader economic transition.

How is your institution measuring financed emissions today? Are you still using sector proxies, or is client-level data improving? What's blocking progress?

Let's discuss, write to consult@northstar-eco.com