Emergency services said the 23-year-old man died at the scene in Upper Kergord where BAM Nuttall is main contractor for the construction of the Shetland HVDC link and all associated infrastructure.
A BAM Nuttall spokesman said: “We can confirm an incident at our Viking Windfarm project site on Shetland yesterday has resulted in the tragic fatality of a colleague.
“Our condolences are with their family, and support is being made available to them and to members of the team.
“An investigation is under way and we’re working closely with our client and the authorities.”
