The Danish manufacturer will install 38 of its V100-2MW turbines on the Resko II development in West Pomerania province in the west of the country.
It is being developed by Poland's largest energy company, PGE Energia Odnawialna.
Turbine delivery is expected at the beginning of Q3 2015, with commissioning due to be completed late in the following quarter. The contract includes a two-year service agreement.
Vestas has installed around 540 wind turbines in Poland, with a capacity of more than 1.1GW.