Rex Innovation is a South Korean energy technology and research company focused on connecting energy production, operation, and trading to support a sustainable future. Its work spans renewable energy, energy management, battery and hydrogen technologies, international collaboration, and education services. The company develops solar and small hydropower plants and provides design, construction, operation, and maintenance. It also aggregates distributed power plants and energy storage systems for real-time control and management, linking their output to electricity markets.

Rex Innovation’s product portfolio includes energy software for forecasting and controlling generation and storage, managing power trading and carbon data, and hardware for site control, data collection, and cybersecurity. Its integrated energy systems combine generation, storage, and control, including solutions for independent power networks. Research and development covers next-generation batteries, energy storage systems, and green hydrogen components, including materials for AEM water electrolysis. The company also pursues energy and carbon projects with overseas public and academic partners, and offers support for domestic and international university admissions and study abroad preparation.