The class action against two major government-owned power generators is being led by Leyburn-based husband-and-wife farmers Nick and Ronnie Adamson, and litigated by law firm Piper Alderman. The class action against two major government-owned power generators is being led by Leyburn-based husband-and-wife farmers Nick and Ronnie Adamson, and litigated by law firm Piper Alderman. National / Queensland Sydney Morning Herald – Latest News