This article examines how adding more wind energy to the Dominican Republic's power supply affects electricity costs and generation. It uses a planning tool to study how introducing wind power changes costs and energy sources used by power plants over a set time. The study explores wind energy's characteristics and the Dominican Republic's electricity market, considering the country's wind power potential. The researchers aim to show how increasing wind power capacity impacts the country's Wholesale Electricity Market. The study's findings help understand how using more wind energy influences electricity generation and costs in the Dominican Republic.