SSE and the Scottish Government have both revealed they plan to appeal against a legal ruling on a planned 67-turbine windfarm.
The move comes after a judge said the government’s decision to approve Stronelairg windfarm was “defective”.
A review had originally been sought by the John Muir Trust.
Following the judicial review at the Court of Session, Lord Jones said ministers had reached their decision in breach of environmental obligations.
At the time, the John Muir Trust said the turbines would “destroy the character” of wild land.
The SSE said the decision to approve the project, which is near Fort Augustus, had been lawful.
A spokesman for the Scottish Government had confirmed it would be appealing the decision.
He said:”Scottish ministers have considered the judgement of Lord Jones in relation to the petition lodged by the John Muir Trust for the judicial review of the Scottish ministers’ decision to
grant consent to construct and operate the Stronelairg Wind Farm.
“Scottish ministers are appealing the decision.”