The textile dyeing industry, in its developmental phase, significantly contributes to the discharge of large quantities of organic chemicals into rivers and oceans. Existing water purification technologies have not been effective in mitigating the associated risks. This study presents the development of a novel dielectric barrier discharge (DBD) plasma system aimed at decolorizing industrial dye wastewater through the generation of reactive oxygen species, ultraviolet light, ozone, and hydrogen peroxide. A new electrode configuration has been devised, exhibiting a 1.3-fold increase in energy consumption efficiency compared to conventional DBD plasma systems, facilitated by simultaneous cooling and discharging mechanisms. The proposed system showcases an 80 % reduction in chromaticity and achieves impressive removal performances, with 97 J/L within 1 min for methylene blue and 5527 J/L within 30 min for the treatment of industrial dye wastewater. This innovative DBD system promises to advance industrial wastewater treatment methodologies, potentially safeguarding aquatic ecosystems.