This marks a significant milestone in the project to upgrade the electricity network in the region.
The 90MVA 132/33kV transformers were transported to the site following a carefully planned operation that involved road closures for a short period.
The upgrade will enhance the site's ability to handle higher electricity loads, particularly from the nearby Tummel Hydro Power Station.
The project involves the installation of new transformers and switchgear, which will replace the existing Grid Supply Point.
This upgrade is part of SSEN Transmission's commitment to achieving the country's energy security and clean power objectives.
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Chris Hamilton, Project Manager at SSEN Transmission, said: "These new transformers represent a crucial investment in the future of our energy system. With more renewable energy being generated from the nearby Tummel Hydro Power Station, we are focused on ensuring that our infrastructure can meet the demands of tomorrow while maintaining the highest standards of reliability and safety.
"The delivery of these transformers represents a major milestone in the project and follow years of planning for their safe arrival from Germany, involving careful coordination with the local authorities, Police Scotland, Amey, BEAR Scotland and Transport Scotland to ensure they could on site arrive safely.
"We'd also like to extend a huge thanks to the local community for their understanding and continued patience with this project, and we'll continue to of course keep them informed as the project progresses."
Errochty Grid Supply Point began construction in late 2023 and is on track to be energised in mid-2026.
Located near Tummel Bridge, the project team have been working with teams at the nearby Dun Coillich community woodland to plant over five and half hectares of native tree species, which form's part of SSEN Transmission's commitment to increase biodiversity on every project. The new trees will help restore local wildlife and encourage native species of flora and fauna to thrive.
