System design and testing are important processes in the development of any technology. Usually, it is desirable to theoretically optimize the design of a solar gas turbine (SGT). Based on simulation results, a real SGT system can be constructed and tested. At present, prototyping of SGTs is based on modification of the existing conventional gas turbine engines. A review of previous work shows that there is a deficiency in Standards for testing of concentrating solar power technologies. Some initiatives are under way to bridge this gap, which may also facilitate the development of relevant standards for testing SGTs. A limited number of projects have been implemented to test the performance of SGTs. Most of these projects are at demonstration scale, and there is lack of commercial-scale SGT power plants. Some challenges to the development of the SGT technology have been presented and discussed.