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According to Sinochem New Network, on January 3, Colombian oil company ** announced that its green hydrogen production project at its refinery in Cartagena has entered a critical construction phase, with operations expected to begin in the first half of 2026. According to Ecopetrol, the total investment in this project is approximately 28.5 million dollars. Proton exchange membrane electrolyzer technology will be used, and 26 megawatts of renewable energy from solar power plants located on the refinery site will be utilized to produce up to 800 tons of low-carbon green hydrogen per year. The core equipment of the project is a 5-megawatt electrolyzer, along with supporting water purification, power adaptation, and process systems. The purity of the green hydrogen produced can reach 99.99%, and it can reduce carbon dioxide emissions by about 7,700 tons per year, which is equivalent to the annual emissions of 1,650 cars. Green hydrogen will be primarily used to replace gray hydrogen in the refinery’s existing conversion processes, thereby helping to produce cleaner, lower-carbon fuels and supporting Colombia’s energy transition and its goals for decarbonizing the domestic economy. Currently, the assembly and interconnection of all auxiliary and utility equipment for the project are in progress. Colombian oil company said that once the plant is operational, artificial intelligence technology will be introduced during the operation and maintenance phases to improve production efficiency and system reliability.