Financial incentives are an important tool that can help individuals and businesses overcome the barrier of high initial equipment costs for these technologies. But, to be effective, these incentives should be considered as one component in a comprehensive approach to creating a sustainable market. Without other supportive policies, including education and outreach programs, a standardized and quick interconnection process for grid-connected systems, and complementary financial incentives (such as tax incentives, net metering, and low-interest financing), the effectiveness of financial-incentive programs in stimulating market development will be compromised. Addressing these needs and challenges requires partnerships and alliances among program administrators, advocates,.