Trilogy at Power Ranch This Shea Homes active adult community is currently under construction. Learn more about Trilogy and the Power Ranch Community. http://www.trilogylife.com/main_frame.cfm Trilogy is more than 2/3 built out and there are many resale properties for sale. H. O. A. Information Dues are $315 per Quarter. There is a one time buy in fee of $1165paid at the close of your purchase.