While it appeared briefly Monday that the lights were out on a proposed high-voltage electric transmission line that would serve the state's growing wind industry, officials recharged the plan Tuesday. The Southwest Power Pool Inc.'s board of directors on Tuesday included the $518 million "Spearville line" in a package of transmission expansion projects it was forwarding for further study and probable approval. The 765-kilovolt line would go from Spearville, the site of a wind farm in southwest Kansas, to Wichita and down to the Oklahoma border, where it could hook into lines to other states.