With more than 30 gigawatts installed, wind is the largest source of electricity in the Mediterranean country. . Spain is one of the countries with the largest wind power capacity installed, with over 27 GW in 2020. [1] Spain was an early leader in development of wind power, ranking second after Germany by. . However, wind power generation is another powerful force driving Spain's renewable energy future. 8% lower than the same month in 2023. This increase was driven by renewable energy, which saw a 9.