### Question
Can you define what district energy systems means?


### Answer
**District energy systems** is defined as the following in *42 U.S.C. § 6371h*:

> systems providing thermal energy from a renewable energy source, thermal energy source, or highly efficient technology to more than 1 building or fixed energy-consuming use from 1 or more thermal-energy production facilities through pipes or other means to provide space heating, space conditioning, hot water, steam, compression, process energy, or other end uses for that energy

#### Citation:
  - *42 U.S.C. § 6371h*
  - Heading: **CHAPTER 77-ENERGY CONSERVATION > SUBCHAPTER III-IMPROVING ENERGY EFFICIENCY > Part E-Energy Conservation Program for Schools and Hospitals**

