Africa is home to 60% of the world’s best solar resources, yet it accounts for only about 1% of installed solar PV capacity globally. At the same time, more than 600 million people across the continent still live without access to electricity.
That gap is one of the biggest constraints on Africa’s economic growth. Businesses run on diesel generators because the grid cannot be trusted. Vaccines spoil when cold chains lose power. Hospitals work around unreliable lighting and equipment. Factories that could create jobs often choose other regions because power supply is easier to guarantee.
The problem is not a shortage of sunlight or ambition. It is a delivery problem shaped by financing costs, weak grids, policy inconsistency and decades of underinvestment.
A continent rich in sunlight, short on power
Africa has some of the strongest solar irradiation on the planet, along with major wind, hydro and geothermal resources. Yet the continent still attracts only a small share of global energy investment. The International Energy Agency has estimated that Africa receives about 3% of global energy investment and about 2% of global clean energy investment, while annual energy investment needs to exceed $200 billion by 2030 to meet access and climate goals.
Nigeria shows the challenge in practical terms. It has around 13.5 gigawatts of installed generation capacity, but generates and distributes only about a third of that. Ageing infrastructure, inadequate gas supply, weak distribution networks and years of underinvestment all play a role.
Energy also shapes Africa’s ability to capture more value from its minerals. The continent supplies important inputs for clean energy technologies, including cobalt, manganese and copper, but higher-value processing often happens elsewhere. Moving from extraction to processing, refining and manufacturing depends on reliable power, transport, water and skills. That makes electricity infrastructure central to industrialisation, not just household access.
What is blocking the switch to renewables
The barriers sit in four connected areas: financing, grid capacity, policy consistency and the historic underinvestment many utilities are still carrying.
Money remains the first obstacle. Renewable energy projects in African markets can face financing costs two to four times higher than comparable projects in Europe or North America. International investors often apply a sovereign ceiling to project ratings, meaning a project may struggle to be rated more creditworthy than the country where it is located. With only a small handful of investment-grade sovereigns, many commercially sound projects look riskier on paper than they are in practice.
Grid capacity is another major constraint. Many national grids remain underbuilt, under-maintained and poorly connected to neighbouring systems. The IEA estimated average electricity losses in Africa at about 16% in 2018, almost seven percentage points above the average for other developing economies. Without stronger transmission lines, substations and distribution networks, new renewable capacity will continue to face bottlenecks.
Policy uncertainty adds a further challenge. Frequent changes to tariffs, licensing rules and power purchase agreements can stall projects that are technically ready to proceed. Nigeria’s stalled solar pipeline is one warning: 14 utility-scale solar projects signed power purchase agreements in 2016 but later remained short of financial close amid tariff, guarantee and liquidity concerns.
South Africa’s Renewable Energy Independent Power Producer Procurement Programme offers a better example. It shows that a clearer and more competitive procurement framework can mobilise private investment at scale. The lesson is that bankability depends on consistent and credible rules.
The projects and partnerships changing the picture
Despite these obstacles, momentum is building. Mission 300, a joint initiative of the African Development Bank and the World Bank Group, aims to connect 300 million people to electricity by 2030. As of June 2026, the two institutions reported that the initiative had connected more than 50 million people across 40 countries. Thirty countries have launched National Energy Compacts to expand generation, scale renewables, improve regional integration and attract private investment.
The African Development Bank’s Desert to Power initiative aims to harness solar potential across 11 Sahel countries, with a target of 10 gigawatts of solar generation capacity and electricity access for 250 million people by 2030. One major regional project is the Mauritania-Mali interconnection, which is designed to link a new solar plant in Kiffa to the regional grid.
Regional grid interconnection is also becoming more important. In East Africa, the Ethiopia-Kenya electricity highway is already supporting power trade, with capacity for bidirectional transfer of up to 2,000 megawatts. In Southern Africa, the World Bank-backed RETRADE SAPP project supports technical assistance and market coordination for the Southern African Power Pool.
Regional grid interconnection is also becoming more important. In East Africa, the Ethiopia-Kenya electricity highway is already supporting power trade, with capacity for bidirectional transfer of up to 2,000 megawatts. In Southern Africa, the World Bank-backed RETRADE SAPP project supports technical assistance and market coordination for the Southern African Power Pool.
Off-grid solar, pay-as-you-go financing and mini-grids are also changing access from the bottom up, particularly in communities the main grid is unlikely to reach soon. These models can finance smaller systems for households and small enterprises instead of waiting for full transmission buildout. The World Bank estimates that Sub-Saharan Africa already has more than 3,000 installed mini-grids, with thousands more planned.
What it will take
Africa’s energy deficit is not a story of missing resources. It is a story of missing infrastructure, expensive capital, uneven regulation and utilities asked to do too much with too little for too long.
Closing the gap for more than 600 million people will take consistent policy, better-targeted concessional finance, stronger grids and continued support for African and regional initiatives already proving what is possible. The next test is whether infrastructure and investment can catch up.
