Some Petersburg residents and businesses may see their electricity bills go up in the near future. A new study says, in order to meet expenses, Petersburg Power and Light will need to increase its revenues just over 6 percent by 2017. To help address that, the study proposes a 4 percent boost in rates over the next couple years, but not everyone would see an increase. The borough assembly heard a presentation on the issue Monday afternoon. Matt Lichtenstein has an overview. For mobile-friendly, downloadable audio, click here.