Industrial shots of transformers and high-voltage wires against a blue sky. If you'd like, I can:
For a more "engineering" look, Freepik and Pngtree provide high-resolution images of circuit boards with glowing currents and digital network patterns. 1920x1080 Electric Current Wallpaper. Electric ...
Abstract "Hitech" patterns showing the flow of current through silicon and copper. 1920x1080 Electric Current Wallpaper. Electric ...
Science-fiction inspired glowing energy spheres. 1920x1080 Electric Current Wallpaper. Electric ...
If you prefer real-world imagery, Pexels and Unsplash have free stock photos of power lines, pylons, and actual electrical discharges. Common Styles to Search For:
