A wind-monitoring mast near Dunning can stay in place for another year, councillors have ruled.
The controversial 260 foot installation, which is expected to be a forerunner for a larger wind farm development, was approved in 2014 for a two-year period.
However when planning permission lapsed, developers Brookfield Renewables asked Perth and Kinross Council for a further three years.
The development management committee agreed to allow the mast to remain in place at Littlerig Forest for just one more year.
Several residents objected to the time extension, claiming that the location is unsuitable for a windfarm project.