MELBOURNE, Australia--(BUSINESS WIRE)--Enphase Energy, Inc. (NASDAQ: ENPH) today announced regional Australia has experienced a 453 percent year-over-year growth in installed solar units in 2014, outpacing metropolitan growth at 440 percent for the same period. Enphase has seen outstanding growth in regional and outback Australia with the increase in its solar microinverter installations in 2014. These figures align with data from the REC Agents Association, which states that in 2012, 53 percen