Guinean Prime Minister Amadou Oury Bah received a Chinese consortium led by State Power Investment Corporation (SPIC) and Chinalco on 17 September 2026 in Conakry, where the delegation presented the “Grand Corridor de Guinée,” a mining and logistics infrastructure project valued at more than $3 billion, according to Guinée360.
What the project covers
The plan centres on a deep-water port at Cape Verga, connected to Santou by roughly 160 kilometres of rail, with port capacity built to accommodate vessels of up to 200,000 tonnes, according to a statement from the Primature cited by Guinée360. Promoters say the infrastructure could evacuate up to 77 million tonnes of bauxite per year once operational.
The mechanism: a third corridor, not a replacement
This is a separate project from the existing Transguinéen railway, which serves the Simandou iron ore blocks (SimFer and Winning Consortium Simandou), and from Guinea’s current bauxite export network, which already runs through nine active ports including Kamsar, Katougouma/Dapilon and Kokaya. A new corridor of this scale would sit alongside, not substitute for, that existing capacity.
The actors
SPIC and Chinalco are both established players in Guinea’s extractive sector. Chinalco co-owns SimFer, the joint venture with Rio Tinto operating Simandou blocks 3 and 4, in which the Guinean state holds a 15% stake. SPIC is also an active bauxite exporter in its own right, though at a smaller scale than sector leaders such as Société Minière de Boké or CBG.
The implication
Guinea’s bauxite exports already hit a record 114.8 million tonnes in the first half of 2026, up 15% year on year, driven largely by Chinese demand, and the government has previously discussed but never implemented a 150-million-tonne export cap intended to protect smaller producers. A new port-rail corridor of this size signals that at least some Chinese-linked operators still see room for further expansion beyond current infrastructure limits, notwithstanding earlier talk of capping output. The announcement also lands in the same week as the Prime Minister’s first ministerial arbitration session on project delivery and a separate $269.5 million BIDC loan signing, part of a dense sequence of investment-related meetings in Conakry this month.
What remains uncertain
The meeting is described as a project presentation, not the signing of a binding agreement. No financing structure, construction timeline, ownership split or offtake terms have been disclosed. Guinea has a track record of announced mining-infrastructure projects that remain at the presentation stage for extended periods before, or instead of, reaching financial close. Whether the Grand Corridor moves to a signed agreement, and on what terms SPIC and Chinalco would fund and operate it, are the next points to watch.