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4C is now TGS

We are excited to announce a significant milestone in 4C Offshore's journey. Our integration into the TGS family marks the beginning of a new era in offshore wind market intelligence.

Learn what this means for you!
29 Jun 2018: On 29th June 2018, President Andrzej Duda signed into law the amendment to the Renewable Energy Sources (RES) Act. The RES outlines the rules for upcoming auctions. - One amendment is that offshore wind farms may now enter the auction without a building permit, on the basis of an EIA Decision and offshore location licence. - Offshore generation/electricity sales must be within 72 months from the date of closing an auction session. If the producer fails to energize the RES installation within this timeframe and start selling electricity it loses the right to benefit from support in the Auction System and loses the deposit. - Future auctions will organized into various so-called auction baskets. Offshore wind is in Basket II along with hydro, bioliquids and geothermal. - The Amendment sets the budgets for the next RES auction; the total RES auction budget is PLN 87.6 billion, in which 84.8TWh produced over the next years will be supported. The auction is divided into 15 subcategories. Offshore wind/Basket II is applicable to 3 of these; i) Existing Small Installations ii) New small installations iii) New large installations. Offshore wind farms will be able to bid for up to PLN 450 (USD 141.5/EUR 121.3) per MWh.
Concept/Early Planning
560 MW
4C Offshore | Location Map: Lat(54.946) Lon(16.192)

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Power & Turbines
Windfarm Capacity
560 MW
Turbine Model
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Other Turbine(s) Used
Min. Turbine Capacity (MW)
Max. Turbine Capacity (MW)
Min. Number of Turbines
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Max. Number of Turbines
Total Turbine Height
Hub Height
Rotor Diameter
Foundation Type
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Foundations on Wind Farm
Foundation Comments

Location & Environment
Sea Name
Baltic Sea
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Depth Range (Chart Datum)
Depth Range (Stated by Developer)
Distance from Shore (Developer)
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Distance from Shore (Computed)

Installation Base
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Ops and Maintenance
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Number of Offshore Platform(s)
Shared Platform Type
Grid Connection Point
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Cable Landing Point

Export Cables (AC & DC)
Number of Export Cables (AC)
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Average Length per Cable (AC)
Additional Requirements (AC)
Nominal Voltage (AC)
Number of Export Cables (DC)
Average Length per Cable (DC)
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Additional Requirements (DC)
Nominal Voltage (DC)

Nominal Voltage

Onshore Cables
Number of Onshore Cables
Average Length per Cable
Expected Life