### Question
What does least cost option mean?


### Answer
**Least cost option** has the following meaning in *42 U.S.C. § 7275*:

> 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

#### Citation:
  - *42 U.S.C. § 7275*
  - Heading: **CHAPTER 84-DEPARTMENT OF ENERGY > SUBCHAPTER VI-ADMINISTRATIVE PROVISIONS > Part C-General Administrative Provisions**

