By integrating sodium-cooled fast reactors with thermal energy storage in a single system, HEXANA addresses the diverse energy requirements of the most energy-intensive industries. We facilitate decarbonizing hard-to-abate sectors, reducing dependence on fossil fuels while maintaining industrial competitiveness.
Our energy system integrates 2 to 6 small modular fast reactors designed to produce ultra-low-carbon combined high-temperature heat and power.
This cutting-edge technology builds on a field-proven legacy developed by the French Atomic Energy Authority (CEA) over decades: Phénix, Superphénix, and ASTRID. We push even harder, offering operational flexibility and enhanced safety for large-scale industrial applications.
HEXANA commits to supply its customers with balanced amounts of energy. Our system features a game-changer innovation for nuclear energy: thermal energy storage. Smoothing the output level while keeping the reactor in baseload operation enhance significantly the asset return-on-investment and operational competitivity.
Storing thermal energy at high temperatures, this system can dispatch its load optimally, either to the customer for industrial processes or to the grid to capture peak prices, hence enhancing profitability.
This thermal energy storage complements batteries for stabilizing power grids, particularly as the share of variable renewable energy sources continues to grow. By providing this regulation capability, HEXANA supports local and national grids, reducing fossil fuel reliance and enhancing energy system reliability.
The platform’s modularity (up to 6 modules, equivalent to 900 MW of electricity) also ensures reliable power supply with intrinsic redundancy for sensitive systems, such as data centers and industrial furnaces.
HEXANA’s energy platform provides customers with essential energy vectors for decarbonizing energy-intensive industries:
Heat at up to 500°C for industrial processes or heat networks, including preheating for subsequent very high-temperature applications.
For fluctuating loads or to phase out gas-fired power plants.
Firm combination of heat and power to produce steam, hydrogen, synthetic fuels, or other chemicals (e.g., ammonia, e-SAF, e-methanol, e-methane).
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