What makes a CCS project bankable? Key lessons from an evolving market

While capture technologies and storage resources attract much of the attention, the defining challenge for many CCS projects is commercial viability. Increasingly, the projects that secure financing are those that can demonstrate clear revenue streams, effective risk allocation and confidence across the entire CCS value chain.

Unlike most infrastructure projects, CCS is designed to manage emissions rather than produce a high-value product. As a result, project economics are often dependent on policy mechanisms, carbon markets or third-party payment structures, creating a unique set of financing challenges.

Financing CCS projects presents a unique challenge because investors must assess risks across an interconnected value chain that spans capture, transport and permanent storage. As the market matures, several factors have emerged as critical determinants of bankability.

The most important consideration is revenue certainty. Investors need confidence that a project will generate reliable income over the long term, whether through carbon pricing mechanisms, tax incentives, storage fees, or emissions compliance schemes. Without predictable cash flows, securing debt financing becomes extremely difficult. 

Closely linked to this is policy and regulatory stability. CCS projects often operate over decades, meaning developers and financiers require confidence that government support mechanisms, permitting frameworks, and carbon policies will remain broadly consistent throughout the investment period.

Another key factor is the integration of the CCS value chain. Capture, transport and storage assets are frequently developed and operated by different parties, creating significant interdependencies across the value chain. A delay or underperformance in any part of the chain can undermine the economics and timing of the entire project, making strong commercial agreements between all parties essential.

Storage resource quality and permanence are fundamental considerations for investors, as the storage asset ultimately underpins the environmental integrity, regulatory compliance and long-term value of the CCS value chain. Financiers need assurance that geological formations have sufficient capacity and integrity to provide safe and permanent geological storage of CO₂. Detailed site characterisation and regulatory approval are therefore fundamental requirements. Projects such as Quest in Canada have helped build confidence in geological storage by demonstrating safe, long-term CO₂ containment supported by rigorous monitoring and verification programmes.

Related to this is the allocation of long-term liability. Questions around monitoring, verification, remediation, and ownership of stored CO₂ must be clearly resolved. Investors are naturally cautious about projects where future liabilities remain uncertain.

From a construction perspective, capital cost management remains critical. CCS projects share many of the characteristics and risks of other large-scale infrastructure developments. Robust contracting strategies and clear risk-sharing arrangements help build lender confidence.

Investors must also evaluate technology performance risk. Even when capture technologies are proven, they must consistently achieve expected capture rates, operational reliability and energy efficiency under real operating conditions. Underperformance can directly affect operating costs, project revenues and contractual obligations, creating risks for both lenders and equity investors.

The strength of project participants and the longevity of the underlying industrial asset are equally important. Investors will be reluctant to finance a capture project attached to an asset facing uncertain long-term demand, regardless of the quality of the CCS solution itself. Creditworthy counterparties provide confidence that contractual commitments will be honoured throughout the life of the project.

In many regions, access to shared transport and storage infrastructure can significantly improve economics by reducing costs and spreading risk across multiple emitters. Northern Lights has become one of the world's leading examples of a CCS hub model. The project provides flexible CO₂ transportation via ship and shared offshore storage infrastructure. This significantly reduces barriers to entry for industrial emitters while creating economies of scale.

Ultimately, successful projects require an effective financing structure that aligns commercial incentives and appropriately allocates risk across the value chain. Early CCS developments relied heavily on grants, subsidies and direct government support to overcome technology and market risks. As the sector matures, financing models are increasingly evolving towards project-finance structures, regulated business models and long-term contractual arrangements capable of mobilising institutional and private capital. The challenge is now to allocate the risk to those best positioned to manage it.

The importance of these considerations was recently demonstrated in Denmark's latest CCS funding round. The DKK 28.7 billion CCS Fund was designed to support the full value chain of carbon capture, transport and storage, reflecting a recognition that isolated capture projects cannot succeed without access to reliable transport and permanent storage solutions. The tender structure also sought to provide long-term revenue certainty through state-backed support mechanisms, helping developers and investors justify substantial upfront capital commitments. Perhaps most tellingly, while sixteen projects initially expressed interest and ten were prequalified, only two final bids ultimately remained. This underlines the reality that successful CCS projects require far more than technical feasibility; they must also demonstrate bankability through integrated value chains, robust commercial structures, appropriate risk allocation and confidence in long-term project economics.

In the end, the financing of CCS requires a bankable proposition in which revenue streams are secure, risks are clearly allocated, and every link in the CCS value chain is aligned. Today’s most successful CCS projects are demonstrating that financing challenges can be overcome when strong policy frameworks, robust commercial structures and high-quality storage resources are brought together. Projects including the under construction Northern Lights and Quest as well as the under development Porthos demonstrate that investors are willing to commit capital where revenue certainty, risk allocation and long-term storage confidence are clearly established. As governments increasingly seek to mobilise private capital and scale deployment, the next phase of CCS growth will depend less on proving the technology and more on proving the business case.