Building 103 large wind turbines in Shetland's hills is a herculean task for SSE Renewables' main contractor RJ McLeod.
Currently, the major push is to make ready the turbine bases and complete the last sections of the 70km network of access tracks.
Recent progress is detailed inside the latest edition of the Building Shetland's Energy Future newsletter, available to download here.
The 20-page publication is packed with information and pictures about Viking Energy Wind Farm and the Shetland HVDC Transmission Link.
The newsletter has just been distributed throughout the islands inside this week's The Shetland Times.