Early last week, Wrangell Municipal Light & Power repaired an issue involving one of its newer diesel generators. Light & Power Director Rod Rhoades said a computer controlling the generator's output was refusing to detect the generator in question. It was a difficult problem for them to figure out, he said, but was relatively easy to fix with just a simple wire replacement.

Rhoades said all of the city's generators are expected to work together, matching their voltage and frequency to meet power demand. This is controlled through a computer, he said, which receives inputs from the...