Africa Mining and Engineering Review

Decarbonisation & Energy Security: How Renewables and Natural Gas Can Power Africa’s Future

Decarbonisation & Energy Security: How Renewables and Natural Gas Can Power Africa’s Future

Africa Energy Indaba spotlights the dual imperative of clean growth and reliability

Cape Town, South Africa – 17 November 2025 – As Africa’s energy demand surges, balancing decarbonisation with energy security has never been more critical. New data from the International Energy Agency (IEA) underscores a pivotal role for both renewable energy and natural gas in driving a sustainable, yet reliable, power future for the continent.

Key Findings & Context

  1. Electricity Demand Is Exploding
    • The IEA projects Africa’s electricity demand will rise by 4.1% in 2025. 
    • To meet this demand sustainably, the IEA report forecasts that over 60 TWh of new generation (2023–2025) will come from renewables, increasing their share of total generation from about 24% in 2021 to nearly 30% by 2025
    • At the same time, natural gas capacity is expected to grow: Africa’s gas-fired electricity is projected to increase by ~30 TWh by 2025, reaching almost 400 TWh. 
  2. Shift in Investment Flows
    • According to the IEA’s World Energy Investment 2025 report, private-sector clean energy investment in Africa has nearly tripled, rising from ~US$ 17 billion in 2019 to almost US$ 40 billion in 2024.
    • However, public and DFI (development finance institution) funding has declined sharply — falling by about one‑third over the past decade to reach US$ 20 billion in 2024. 
    • Much of this drop is linked to reduced commitments from some development partners, including Chinese DFIs. 
  3. Natural Gas as a Transition Fuel
    • While fossil fuel investment is declining globally, natural gas remains an important transitional fuel in Africa’s energy mix: several analyses highlight that gas—especially in combined cycle power plants—offers flexible capacity that complements variable renewables. 
    • In parts of Africa, natural gas already accounts for a significant share of the energy mix. 
    • According to the Department of Mineral Resources in South Africa, natural gas makes up 41% of its power generation mix, underscoring its role in just transition strategies. 
  4. Just Transition Imperative
    • While renewables are growing, energy planners and policymakers must manage the transition in a way that preserves affordability, reliability, and social equity. 
    • A just energy transition in Africa will require strategic use of gas to ensure firm dispatchability, while also scaling up renewables—and ensuring local communities benefit. 
Natural gas is driving a sustainable and reliable power future for the continent

What the Africa Energy Indaba Will Do

At this year’s Africa Energy Indaba, stakeholders will come together to:

  • Explore best‑practice case studies where African countries have successfully integrated gas and renewables to maintain grid stability while reducing carbon emissions.
  • Facilitate high-level discussions on how to mobilise public and private capital for green infrastructure, with innovative financing models that account for risk, social impacts, and just transition.
  • Highlight policy frameworks that support a balanced energy mix: enabling regulators to incentivize renewables growth while using natural gas strategically as a bridging fuel.
  • Promote technology and capacity-building, including in firm-dispatchable generation (gas, hybrids), storage, and grid flexibility, to ensure reliable power as renewables scale.

Expected Impact

  • Accelerate the pipeline of bankable energy projects that combine clean energy ambition with reliability.
  • Attract blended finance from DFIs, private investors, and governments to unlock the dual promise of decarbonisation and energy security.
  • Strengthen African energy institutions’ capacity to manage integrated energy systems, reducing risk and increasing resilience.
  • Support equitable growth through just-transition frameworks that safeguard communities and create green jobs.

“Our energy future in Africa is not just about reducing emissions — it’s about keeping the lights on, driving industrial growth, and ensuring no one is left behind. Renewables give us decarbonisation; gas gives us security — together, they enable a just transition.” commented Liz Hart, Managing Director of the Africa Energy Indaba.  “At the Africa Energy Indaba, we have a unique opportunity to build bridges across sectors – finance, government, developers – and create real, investable energy projects that are both green and reliable.”

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