“Anna” Examined Wind Conditions and Intensity of Sea Waves for Bałtyk I Off-Shore Wind Farm Project

Equinor and Polenergia completed over one-year studies of wind conditions and wave intensity for the most advanced project of the so-called Polish second stage of development of Polish off-shore: Bałtyk I Off-Shore Wind Farm. Oceanic and meteorological data, compiled by a device named “Anna”, will allow for determining the forecast production of energy from the off-shore wind farm, as well as commence work its design – from location of turbines to the choice of foundations and blades.

Wind condition studies are an important step in the construction of the Bałtyk I off-shore wind farm, which is the most advanced project in the second stage of development of the off-shore wind sector in Poland. Our goal is preparation of the project to participate in an auction scheduled for 2025. The success of this auction determines the continuity of implementation of off-shore wind farm projects in the Polish part of the Baltic Sea, and thus the speed of energy transformation in Poland. That is we are ready to support partners with our experience and potential with respect to the performance of off-shore investments and to cooperate for the sake of increasing the sector’s competitiveness.

Michał Kołodziejczyk

President of Equinor in Poland

Studies of wind and wave intensity make an important contribution to the environmental impact assessment report, based on which an application for the issue of an environmental decision will be prepared. This is a document required for participation in an auction for off-shore wind energy.

Due to the fact that the studies started on the International Women’s Day, the team decided to name the LiDAR buoy used for the measurements “Anna.” Data was collected for over 12 months in the area of the planned Bałtyk I off-shore wind farm, at a distance of 81 km from the coast line.

LiDAR allows for precise measurement of wind speed, which is of key importance for determining production of energy in a given location. The device measures the height and the length of waves, the direction of sea currents and temperature. This method is an alternative for the traditional metocean studies performed with the use of measurement masts.

Wind condition studies were carried out by international company RPS that is experienced in projects of this type all over the world. The work was closely monitored by experts on meteorology and oceanography from RPS and Equinor to ensure high quality and consistency of data. The subcontractors responsible for placing the devices in sea and hauling them to the port after the end of the project were Polish companies – MEWO and Fairplay Towage Polska.

We make sure that as many Polish companies as possible participate in the development of the Bałtyk I off-shore wind farm. We are happy that once again we can connect Polish entities who are familiar with the local conditions, with international partners who can share their experience and know-how.

Maciej Stryjecki

Off-Shore Wind Farm Department Director in Polenergia

Equinor and Polenergia jointly develop three off-shore wind farm projects in the Polish part of the Baltic Sea. Their total capacity will approximate 3 GW. This means that the farms will generate energy sufficient to supply over 4 millions Polish households. According to the schedule, the Bałtyk I project with a capacity of 1.56 GW will be launched in 2029. Bałtyk II and Bałtyk III will start generate energy two years earlier; their total capacity is 1.44 GW.

The Bałtyk I, II and III projects implemented by Equinor and Polenergia are an important part of the transformation of Polish energy industry that assumes construction of off-shore wind farms with a total capacity of almost 11 GW in the Polish part of the Baltic Sea.

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“Anna” Examined Wind Conditions and Intensity of Sea Waves for Bałtyk I Off-Shore Wind Farm Project

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