This report was prepared by IT Power. This report presents the findings of post installation reviews for three solar-hybrid power systems installed on the atolls of Tokelau. The report is presented in two parts: Part 1 -Financial Review and Part 2 – Technical Review. The Tokelau Renewable Energy Project (TREP) saw the installation of solar diesel hybrid power systems on Fakaofo, Nukunonu and Atafu, the three atolls of Tokelau. There is a clear need across the community to better understand the reasoning behind tariffs and what different tariffs mean for the community