HD Hyundai Heavy Industries will invest 1 trillion won ($746.7 million) in land-based power generation engines and small modular reactors (SMRs) to strengthen its presence in the artificial intelligence (AI) infrastructure market. The company said in a regulatory filing Thursday that it will invest 1.07 trillion won to build a new production base for power generation engines and a dedicated manufacturing facility for SMRs. Of that amount, HD Hyundai Heavy Industries will invest 833.6 billion won to build a new production base for its HiMSEN engines in Ulsan, with an annual production capacity of 3 gigawatts. The new production base will occupy a 215,000 square meter site and will include an engine assembly and testing plant, a crankshaft machining plant and other production facilities. Construction is scheduled to begin in the first quarter of next year, with completion slated for May 2028. When completed, HD Hyundai expects to it will secure 4 gigawatts of annual production capacity for land-based power generation engines. The new plant and HD Hyundai Engine in Yeongam, Jeonnam-Gwangju