Billions of dollars have been pledged by global governments and institutions for Africa’s clean energy transition, yet many renewable energy projects across the continent are struggling to secure financing, experts said. The obstacle is the “sovereign ceiling,” a financial rule that ties the creditworthiness of projects to the sovereign rating of the country where they operate.

Analysts and development finance specialists told the Associated Press that the rule is making commercially viable renewable energy projects appear far riskier to international investors than they actually are. The result is soaring financing costs that prevent projects from getting off the ground.

The AP reported the findings in a June 17 article by Nairobi-based journalist Allan Olingo. The report did not specify which countries or projects are most affected, but analysts said the dynamic is widespread across the continent. The rule, which credit ratings agencies apply, means that even a well-designed solar or wind farm in a country with a low sovereign rating must offer returns high enough to compensate for the perceived country risk, regardless of the project’s own economics.

International climate summits have produced repeated pledges to channel clean energy investment to developing economies, but the sovereign ceiling effect has emerged as a structural barrier. Development finance specialists called for reforms to the rating methodology or the creation of alternative credit enhancement mechanisms that could decouple project risk from sovereign risk. Without such changes, they warned, many of the pledged billions will remain unspent and Africa’s energy transition will continue to lag.