The port at Invergordon is providing space for storing parts for the turbines and also office accommodation.
The Beatrice Offshore Windfarm Limited is being constructed in the Moray Firth at a cost of Â£2.6bn. Energy firm SSE is among the scheme's investors.
A total of 84 turbines are to be installed by Seaway Heavy Lifting.
The Nigg Energy Park, also on the Cromarty Firth, is also being used for the construction of the wind farm.
Fife-based Burntisland Fabrications Ltd (BiFab) is manufacturing offshore jacket substructures for the scheme at its yards in Arnish on the Isle of Lewis and Burntisland and Methil in Fife.

The former Scotland Under-21 international was released by Crystal Palace after he failed to make an appearance during his two years.
Kettings, 23, spent three months on loan at National League side Bromley last season, playing 14 times.
He is the sixth new signing since Northern Ireland assistant Stephen Robinson was appointed as manager.
Find all the latest football transfers on our dedicated page.

The decommissioned Transocean Winner came ashore at Dalmore, near Carloway on Lewis, in a storm while being towed to the Mediterranean.
Its owner Transocean has paid the money requested by the MCA to cover costs in dealing with the incident.
The rig was eventually taken back under tow and scrapped in Turkey.
The rig's grounding last August sparked pollution fears due to the 280 tonnes of diesel on board.
Investigations found two of its four fuel tanks were damaged in the incident which resulted in the loss of 53,000 litres of fuel, most of which is thought to have evaporated with no damage to the environment.
Three weeks later it was towed to the safer anchorage at Broad Bay before being floated on to the deck of the Hawk, a semi-submersible ship used for transporting large maritime structures over long distances.
Port of Cromarty Firth has secured two contracts related to the construction of a massive offshore wind farm in the Outer Moray Firth.
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League One side Oldham Athletic have signed goalkeeper Chris Kettings on a one-year deal.
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The owner of a 17,000-tonne oil rig which ran aground on the Western Isles last year has paid the Maritime and Coastguard Agency (MCA) £400,000.