### Question
Can you define what per unit transmission costs means?


### Answer
**Per unit transmission costs** is defined as the following in *42 U.S.C. § 6344*:

> the total cost of those transmission services purchased or provided by a utility on a per-kilowatt-hour basis as included in the retail rate of the utility

#### Citation:
  - *42 U.S.C. § 6344*
  - Heading: **CHAPTER 77-ENERGY CONSERVATION > SUBCHAPTER III-IMPROVING ENERGY EFFICIENCY > Part C-Industrial Energy Efficiency**

