Least Cost Option Law and Legal Definition

According to 42 USCS § 7275 [Title 42. The Public Health and Welfare; Chapter 84. Department of Energy; Administrative Provisions; General Administrative Provisions], the term "least cost option" means an option for providing reliable electric services to electric customers which will, to the extent practicable, minimize life-cycle system costs, including adverse environmental effects, of providing such service. To the extent practicable, energy efficiency and renewable resources may be given priority in any least-cost option.