Strategic Alliance: C5 Capital and Sibanye-Stillwater Team Up to Unlock Advanced Nuclear Opportunities Across Continents

The global nuclear energy sector is experiencing renewed momentum as nations worldwide commit to decarbonization goals. Against this backdrop, C5 Capital, a Washington-London-Vienna-based investment specialist in advanced nuclear technology, has forged a significant partnership with Sibanye-Stillwater, the multinational mining and processing conglomerate operating across five continents, to explore and develop uranium-based nuclear projects spanning South Africa, North America, and beyond.

The Clean Energy Imperative Driving the Partnership

At COP29 in Baku this November, a coalition of 31 countries collectively pledged to triple global nuclear capacity by 2050—a turning point in clean energy strategy. As a World Nuclear Association member, C5 Capital has committed to the Net Zero Nuclear Industry Pledge, positioning itself at the forefront of the nuclear energy transition. The partnership with Sibanye-Stillwater represents a concrete step toward fulfilling these ambitious climate commitments while building a resilient global nuclear supply chain.

Substantial Uranium Resources Meet Investment Expertise

Sibanye-Stillwater holds approximately 60 million pounds of contained uranium across its portfolio, with deposits located in surface tailings at the Cooke Project and subsurface reserves at the Beatrix mine’s Beisa section in South Africa. This substantial resource base, combined with the company’s track record in mining operations and metals processing, provides a foundation for developing feedstock for Small Modular Reactors (SMRs)—a technology gaining traction for distributed clean energy generation.

The two entities will collaborate to identify, acquire, finance, develop, and manage uranium projects and production infrastructure capable of supplying fuel to the emerging SMR ecosystem, both domestically and internationally.

Leveraging Complementary Strengths

“This collaboration combines two distinct value propositions,” noted Andre Pienaar, founder of C5 Capital, underscoring how the firm’s innovative nuclear investment framework integrates with Sibanye-Stillwater’s production capabilities and operational expertise. Neal Froneman, CEO of Sibanye-Stillwater, echoed enthusiasm for exploring opportunities across uranium and clean energy sectors, viewing the partnership as a catalyst for both regional and global energy security.

By coordinating efforts across the uranium value chain—from resource identification through facility management—the partnership aims to position both organizations as key players in the nuclear energy transition while supporting countries’ climate objectives.

About the Partners

C5 Capital specializes in investments spanning advanced nuclear energy, space technology, and cybersecurity, operating an Energy Security Fund dedicated to strengthening the global nuclear supply chain’s resilience through strategic capital deployment.

Sibanye-Stillwater ranks among the world’s largest producers of platinum-group metals and gold, while simultaneously developing capabilities in battery metals and circular economy initiatives through recycling and tailings reprocessing operations globally.