An RSPB reserve in the Highlands has connected to mains electricity for the first time, ending its reliance on a noisy gas generator.
The project at Loch Garten, near Aviemore, involved burying a cable underground for more than a mile.
Work was delayed over winter because of extreme temperatures and heavy snow.
Noise from the generator was blamed for a humming sound and poor picture quality on webcasts from an osprey nest on the reserve.
Loch Garten has a webcam showing the nest and images are streamed on the internet.
Three chicks are being raised in the nest by female adult bird EJ, a regular visitor to Loch Garten, and mate Odin.