They took their improved patent to the Chicago World Fair in 1893. They used their AC system to light up the fair for $399,000 instead of the General Electric Company’s (Thomas Edison and J.P. Morgan) direct current. Edison and Morgan had bidden $554,000. One of the most visited exhibits in the Chicago World Fair were the ones on electricity.
Between the 1880s and 1890s, Westinghouse and Tesla were battling with Edison and J.P. Morgan for who would be able to light