North Sea photography

Offshore Substation and CTV Operations

CTV vessel Farra Grainne alongside offshore substation in North Sea wind farm, supporting renewable energy operations at sea
Offshore substation with CTV and wind turbine in background, capturing renewable energy operations in the North Sea.

The Farra Grainne CTV sits alongside an offshore substation under clear blue skies in the North Sea. These structures sit at the centre of every offshore wind farm, collecting power from the surrounding turbine array and stepping it up for transmission to shore via export cable.

Offshore substations are finished in safety yellow and visible for miles at sea. The steel jacket structure and equipment decks represent a significant piece of infrastructure, and seeing a CTV working alongside gives a clear sense of the scale involved.

The third image shows the boarding sequence: the vessel holds position on the boat landing while personnel transfer via the ladder system to the platform deck above.

For more from these environments, explore my Wind Industry portfolio or the People gallery, or contact me to discuss offshore photography commissions.

Offshore wind technicians boarding an offshore substation platform via the boat landing ladder from a crew transfer vessel, North Sea.

Unplanned: A Flock of Birds Through an Offshore Wind Farm at Dusk

Five offshore wind turbines at dusk with yellow jacket foundations catching warm light, a flock of birds in flight between the turbines, dark North Sea in the foreground

There is a version of this photograph without the birds. It would be a competent dusk shot: five turbines evenly spaced across the horizon, their yellow jacket foundations catching the last of the warm light against a cooling blue-grey sky, a textured sea in the foreground. Worth keeping, not worth writing about.

The birds change that entirely.

The flock appeared between the central turbine and its neighbour to the right at the moment the frame was taken. They are too distant and too small to identify with certainty, but the wing shape and the loose, disorganised formation suggest gannets or large gulls rather than a tightly structured species like starlings or waders. They are not reacting to the turbines. They are passing through the same airspace and happened to be there.

That is the thing about unplanned elements in a photograph: they either ruin the frame or they complete it. A bird out of position, or a flock at the wrong height, would have broken the spacing between the turbines and created visual noise. This flock sits at exactly the right height, between exactly the right two structures, in a loose enough formation to read as a single element without obscuring anything behind it. There was no way to anticipate it. The frame either happened or it did not.

The light in this image deserves its own note. The sky is cool and flat, the cloud cover diffusing whatever remained of the sun at this hour into a uniform blue-grey. The turbine towers and blades are picking up that same cool tone and reading as white-grey against the sky. The jacket foundations, however, are a different story. The yellow paint on the lower sections of the structures is catching a band of warm light that did not reach the upper parts of the turbines, the result of the sun being below the cloud base at the horizon but still illuminating the sea-level structures from a low angle. The contrast between the warm foundations and the cool towers is subtle but present, and it is what stops the image reading as flat.

Five turbines in a row at this distance is a composition that could feel repetitive. The even spacing, the identical structure type, the symmetrical arrangement: these are the characteristics of an engineered array rather than a natural landscape. What prevents that reading here is the variation introduced by the light on the foundations and the irregular, animate presence of the bird flock. Neither was placed. Both were noticed.

Offshore wildlife turns up in the most engineered environments. The earlier post in this series on seabirds at the wind farm covered individual birds in flight. This frame is about the relationship between a moving group and a fixed structure, and what that looks like when the timing works out.

More work from the wind industry is in the Wind Industry portfolio.