Zap Energy is rolling out a unified nuclear strategy that combines advanced fission and fusion under a single platform, while also announcing a leadership change. The company named Zabrina Johal as CEO, with cofounder Benj Conway transitioning to president to focus on strategy, partnerships and long-term development.
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The new strategy adds a commercial fission reactor program alongside Zap’s existing fusion work, targeting surging demand for reliable, carbon-free power from AI data centers, electrified transport and advanced manufacturing. Management argues that fission and fusion share overlapping materials, engineering, supply chain and regulatory challenges, enabling a shared technical base.
Zap plans to base its fission offering on the 4S small modular reactor design, a molten salt–cooled concept originally developed in Japan that it says is free of intellectual property constraints. The company expects initial fission-related revenue within a year, primarily from U.S. government programs and milestone-based payments or reserved capacity from large power users.
Across both fission and fusion, Zap is emphasizing compact, modular systems with 3–4 meter cores and 10–50 MWe output, cooled by alkali metals such as sodium and lithium. The firm highlights in-house capabilities in liquid metal engineering, neutronics and shielding, materials qualification under irradiation and thermal-hydraulic design as cross-cutting strengths.
The company is testing a financing model akin to ASML’s EUV co-investment approach, where strategic customers help fund development in exchange for future priority access to capacity. If successful, this structure could support capital-intensive reactor programs while diversifying Zap’s technology and revenue pathways over different time horizons.
From an investor perspective, the integrated fission–fusion platform may broaden Zap’s addressable market and improve capital efficiency through shared infrastructure, but it also adds execution, regulatory and funding complexity. Overall, the week marked a significant strategic pivot and leadership reset as Zap positions itself as a diversified advanced nuclear provider aimed at future baseload demand.