An environmental group has warned the breeding grounds of Speyside fish could be damaged by construction work for power lines.
A £1.1billion project for a new undersea energy link between Caithness and Moray has reached a major milestone.
Controversial plans to put up a new power line through swathes of the Highlands have been shelved.
Electricity is now being transmitted along the full length of the controversial Beauly to Denny power line for the first time.
Preparation work on a multimillion-pound project to upgrade the Blackhillock electricity substation near Keith has begun.