Mambilla: How and why Sunrise, Leno Adesanya, lost at ICC tribunal in Paris
An International Chamber of Commerce (ICC) tribunal in Paris dismissed a USD 2.35 billion claim by Sunrise Power Transition Company and Leno Adesanya against Nigeria over the Mambilla Hydro Electric Power Project.
Intelligence analysis by Gemini 2.5 Flash
The ICC tribunal not only rejected Sunrise's substantial claim but also a USD 400 million settlement offer, ordering the company and its owner, Leno Adesanya, to reimburse Nigeria approximately USD 11.82 million in legal and other expenses. The author, present at the tribunal, characterized Sunrise's case as built on "corruption, falsehood, deceit and lies."
Imagine Nigeria wanted to build a giant power station, like a huge water wheel, called Mambilla. A company named Sunrise said Nigeria owed them a lot of money, like a super big allowance, even though they hadn't done much work. Nigeria's President said, "No way!" So, they went to a special international court in Paris, like a referee in a big game. The referee looked at all the evidence and decided Sunrise was wrong and didn't deserve the money. In fact, Sunrise had to pay Nigeria back for the court costs, which was a big win for Nigeria!
Analysis
The ICC Tribunal's Decision
The International Chamber of Commerce (ICC) tribunal in Paris delivered a decisive blow to Sunrise Power Transition Company and its owner, Leno Adesanya, by dismissing their colossal USD 2.35 billion claim against the Nigerian government. This claim was related to the Mambilla Hydro Electric Power Project, a critical infrastructure initiative for Nigeria's energy future. The tribunal's decision was not merely a rejection of the primary claim but also extended to a proposed USD 400 million settlement, indicating a thorough repudiation of Sunrise's arguments.
Furthermore, the tribunal ordered Sunrise and Adesanya to compensate Nigeria for legal and other expenses, amounting to approximately USD 11.82 million. This reversal of fortunes, where the claimant is now liable for costs, highlights the tribunal's strong stance against the merits of Sunrise's case. The author, Garba Shehu, who was present at the January 15, 2025, sitting, described the proceedings as revealing a "universe of corruption, falsehood, deceit and lies" on the part of Sunrise and its owners.
President Buhari's Stance
President Buhari played a crucial role in Nigeria's steadfast refusal to concede to Sunrise's demands. Despite reported pressure from some of his aides, the President remained unconvinced that Nigeria should pay the substantial sums demanded by Leno Adesanya and his company. This firm stance from the highest office likely provided the necessary political will for Nigeria's legal team to pursue the case vigorously at the ICC tribunal.
The President's skepticism regarding the legitimacy of Sunrise's claims proved to be prescient, aligning with the tribunal's eventual findings. His unwavering position against what he perceived as an unjust financial burden on the nation was a key factor in the government's strategy. This outcome validates the administration's decision to challenge the claims rather than opt for a potentially costly settlement.
Mambilla Hydro Electric Power Project
The Mambilla Hydro Electric Power Project is a long-standing and ambitious undertaking aimed at significantly boosting Nigeria's power generation capacity. The project has been plagued by various challenges, including contractual disputes and allegations of corruption, which have hindered its progress over the years. The dispute with Sunrise Power Transition Company was one such major hurdle, threatening to add billions to the project's cost without tangible progress.
The successful defense against Sunrise's claim at the ICC tribunal removes a significant financial and legal impediment to the Mambilla project. This victory could potentially clear the path for renewed focus and investment in the project, which is vital for addressing Nigeria's persistent energy deficit. The government's ability to navigate and win such a complex international arbitration case may also instill greater confidence in its handling of large-scale infrastructure developments.
Key points
- The ICC tribunal in Paris dismissed Sunrise Power Transition Company's USD 2.35 billion claim against Nigeria regarding the Mambilla Hydro Electric Power Project.
- The tribunal also rejected a USD 400 million settlement claim proposed by Sunrise and its owner, Leno Adesanya.
- Sunrise and Adesanya were ordered to reimburse Nigeria approximately USD 11.82 million for legal and other expenses.
- President Buhari maintained a firm stance against paying Sunrise, despite internal pressure, which contributed to Nigeria's legal victory.
- The author, Garba Shehu, characterized Sunrise's case as built on "corruption, falsehood, deceit and lies."
This legal victory saves Nigeria billions of dollars, freeing up crucial funds that can now be redirected towards the actual development of the Mambilla Hydro Electric Power Project or other vital infrastructure. It also sends a strong message against fraudulent claims, potentially deterring similar attempts in the future and fostering greater accountability in government contracts.
Despite the legal win, the Mambilla project has faced numerous delays and challenges over the years, and this dispute was just one of them. The project's actual construction and completion could still face other hurdles, including funding, technical complexities, and potential new legal challenges, meaning the path to realizing its full potential remains long.


