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Photovoltaic systems provide one of the best options to generate energy in Hawaii, a state that is more than 90 percent dependent on imported oil for its energy supply. Hawaii's excellent year-round insolation rates will contribute to the success of solar energy projects. The Hawaii Natural Energy Institute's program to accelerate utilization of PV power in Hawaii has thus far consisted of a continuation of a 50-year data base of solar insolation; an experimental program with grid-connected residential PV systems; and public information dissemination on PV technology and performance. HNEI is now developing a program that includes: (1) compiling a solar data base that includes a full solar resource assessment, with spectral analysis and measurement of direct insolation, (2) tests of various PV devices relative to insolation; (3) test and evaluation of contemporary PV powered systems (e.g. water pumping, refrigeration, communication and stand-alone residential applications) under various tropical island conditions; and (4) a technology transfer effort aimed at Hawaii and other Pacific Basin islands, including cost-benefit and market analyses.