Gardai are searching for culprits who stole tools and copper wiring from an ESB substation outside Letterkenny.
The incident happened on Tuesday night last at the plant at Lurgybrack.
Copper wire, a black/blue Bosch grinder and a black/blue Bosch Impact Wrench was stolen from the plant.
Gardai are appealing for information including dashcam footage from anyone in the area.