The country moved up to sixth place in Europe in terms of the total installed capacity of solar panels, the institute said in its latest Photovoltaics Market in Poland report.
It added, however, that the nation's obsolete power grid remains an obstacle to further development of photovoltaics (PV).
Radio Poland's Danuta Isler spoke to Grzegorz Wiśniewski, president of the board at the Institute of Renewable Energy, to find out more.
Click on the audio player above to listen.