### Question
How does the law define renewable energy system?


### Answer
Under *42 U.S.C. § 6865*, **renewable energy system** is defined as:

> a system which—


(i) when installed in connection with a dwelling, transmits or uses—


(I) solar energy, energy derived from the geothermal deposits, energy derived from biomass, or any other form of renewable energy which the Secretary specifies by regulations, for the purpose of heating or cooling such dwelling or providing hot water or electricity for use within such dwelling

#### Citation:
  - *42 U.S.C. § 6865*
  - Heading: **CHAPTER 81-ENERGY CONSERVATION AND RESOURCE RENEWAL > SUBCHAPTER III-ENERGY CONSERVATION AND RENEWABLE-RESOURCE ASSISTANCE FOR EXISTING BUILDINGS > Part A-Weatherization Assistance for Low-Income Persons**

