### Question
How does AID TO SMALL BUSINESS define renewable energy system?


### Answer
Under *15 U.S.C. § 636*, **renewable energy system** is defined as:

> a system of energy derived from—


(aa) a wind, solar, biomass (including biodiesel), or geothermal source

#### Citation:
  - *15 U.S.C. § 636*
  - Heading: **CHAPTER 14A-AID TO SMALL BUSINESS**

