GS EPS Co., a local energy firm, said Monday that it will spend 300 billion won (US$269.5 million) to build Asia\'s No. 1 biomass generation plant in a bid to tap deeper into the renewable power industry. The envisioned plan calls for GS EPS to construct the plant that will use a mix of agricultural byproducts to generate electricity in Dangjin, some 123 kilometers south of Seoul.