The Alaska Power Company diesel plant in Haines. About 80% of Haines and Skagway’s power comes from hydro in Skagway. Lex Treinen photo.

Electricity customers in Haines, Skagway and some Interior Alaska communities will see their electricity rates jump 15% beginning Oct. 1 after the state agency greenlit Alaska Power Company’s proposed interim rate.

The action comes despite about 100 public comments – nearly unanimously opposed to the rate hike – from customers and officials…