New sources of electrical energy have made it technically feasible to allow small-scale electrical generation facilities to make up a much larger percentage of an electrical system's energy sources than in the past However, the complexities of the electrical generator-transmission transaction may now act to inhibit investment by potential independent power producers. The critical issues for prospective investors are the terms for access and wheeling lights. Questions relating to dependency, opportunism, and destructive competition may be difficult to resolve in a satisfactory manner, and suboptimal levels of investment in alternative energy sources will result.