Oahu, which encompasses the largest solar energy market in Hawaii, continues its downward spiral, in terms of permitting, with its 18th straight month of year-over-year decline, according to data collected by Marco Mangelsdorf, president of Hilo-based ProVision Solar.
In October, 518 permits were issued compared to 1,246 permits during October 2013, a dip of 58 percent.

Year-to-date, 5,394 permits were issued compared to 11,123 permits at the same point last year, a decrease of 51 percent.