PSE president Eryk Klossowski said that 4GW could be built in the Polish Baltic Sea by 2027, and up to 8GW could be installed in the longer term, according to national newspaper Rzeczpospolita.
He also stated that PLN 13 billion (€3.1 billion) of investment would be needed to reach 8GW.
President of the Polish Wind Energy Association (PWEA) Janusz Gajowiecki added the Polish supply chain for offshore wind was well established.
PWEA had identified nearly 80 companies that could be involved in offshore wind farm design and planning, manufacturing and installation of turbine components and connection infrastructure, and then operation and maintenance (O&M), Gajowiecki stated.
Meanwhile, WindEurope CEO Giles Dickson said: "After a period of stagnation in onshore wind, it will put Poland back on the European wind energy map. It’ll help diversify Poland’s energy mix and it’ll support further growth and job creation in Poland’s successful wind supply chain."
WindEurope described Poland as a "major player" in the offshore wind supply chain with "major investments" being made in turbine foundation manufacturing and in cranes and jack-up vessels used in installation and maintenance.
Last month, oil company PKN Orlen announced it would hold a tender to help prepare up to 1.2GW of wind farms in the Polish Baltic Sea, while Norwegian energy company Statoil acquired a 50% stake in two Baltic Sea projects with a combined capacity of up-to 1.2GW.
Klossowski also told Rzeczpospolita more wind power capacity would "require a wider network expansion than assumed under the current planning perspective".
This would most likely include a direct current (DC) connection "with a capacity of about 2.5GW" from the north to the centre of the country, he added.
The TSO is considering three additional cross-border interconnectors with Denmark, Sweden and Lithuania, each with a capacity of up-to 1GW, and which Klossowski believes could be eligible for funding from the European Union.
Poland had 6.4GW of installed capacity at the end of 2017, all of which is onshore, according to the Global Wind Energy Council (GWEC).