Under the condition of voltage of ±800 kV and transmission capacity of 9 600 MW （electric current of 6 000 A）， the optimal scheme of conductor arrangement is 6×1 520 mm2. Conventional aluminum cable steel reinforced and energy-saving conductor are two options for 1 520 mm2 conductor， which both can achieve the purpose of reducing line losses. So the optimal scheme should consider the conductor price， tower investment， conductor processing and construction. Based on the application feasibility of these two schemes， the conductor manufacturing capacity and its adaptability to construction machines were analyzed. Through the comparisons of electric performance， mechanical performance and economy of different schemes， it has shown that high-conductivity aluminum alloy cored aluminum stranded wire can save the tower investment in spite of a little high price， and there is no any technical obstacles in its manufacturing process. In conclusion， JL1X1/LHA1-1040/550 can be widely used in light or medium icing areas.