Programme > Sustainable finance

Unlocking finance for a just and sustainable transformation

Climate ambition depends on capital flows that reach the actors, in the right forms, at the right time.

The vision

An African financial architecture that mobilises domestic and international capital at scale, strengthens sovereignty, supports industrial upgrading and accelerates climate resilience. In such an architecture, finance serves transformation, not merely transactions, and the terms on which capital flows reflect African development priorities rather than external risk perceptions.

The challenge

Although Africa contributes the least to global emissions, it receives only about 3% of global climate finance. High debt servicing costs compress fiscal space. Elevated borrowing costs inflate the price of capital for governments and firms alike. Each year of delay in closing this gap raises costs and the consequences fall most heavily on those least responsible for the crisis.

The financing gap is not a shortage of investable opportunity. It is structural: elevated risk perceptions, fragmented pipelines, shallow domestic capital markets and limited access to long-term, affordable finance.

The scale, structure and sequencing of capital flows will determine whether Africa’s climate ambition translates into productive assets, resilient systems and competitive industries or remains constrained by fiscal pressure and misaligned incentives. Domestic financial institutions need the capacity to design, steward and deploy capital effectively. Blended finance instruments need to be scaled to absorb early risk and unlock larger pools of public and private investment. Additionally, the global rules governing access to concessional finance, liquidity and capital must be reformed to reflect African development realities and not perpetuate the structural disadvantages that created the gap in the first place.

Our role

The ACF works to shift the financial architecture underpinning Africa's climate transition, not only to increase the volume of capital flows, but to change how they are structured, who controls them and where they land.

Our impact: JET PMU

South Africa's Just Energy Transition Partnership committed US$8.5 billion to support the country's shift away from coal. Translating it into action required an institution capable of coordinating government, business, labour and civil society; one that did not yet exist and building such through a conventional public sector processes would have taken years. Instead, the ACF provided administrative and financial infrastructure through fiscal hosting, allowing the PMU to become operational without delay. The JET IP was approved by cabinet and presented at COP28 within the same year. Six priority portfolios were established, and the funding platform received over 240 project applications in its first funding windows. Our fiscal hosting highlighted the difference between momentum and stagnation at a critical moment.