Alaska Power and Telephone has overbilled the Haines Borough School District $225,057 for electricity.

The error that caused the overbilling dates to the opening of the renovated Haines School in 2007. AP&T discovered the error during one of its periodic audits in July, said Danny Gonce, manager of the utility’s local power operations.

Because the school district uses more electricity than the standard meter can handle, a transformer was placed around the large wires running…