
These specifications were created with certain assumptions about the house and the proposed solar energy system. They are designed for builders constructing single family homes with. . The builder should install a 1” metal conduit from the designated inverter location to the main service panel where the system is intended to. . EPA has developed the following RERH specification as an educational resource for interested builders. EPA does not conduct third-party. . Builders should use EPA’s online RERH SSAT to demonstrate that each proposed system site location meets a minimum solar resource potential. EPA has developed an online site assessment tool, which assists builders in.

The balance of system (BoS) costs can be broken down into three broad categories: non-module and inverter hardware, installation costs, and soft costs. These three categories can be broken down in more detailed sub-categories. . Operations and maintenance, usually found as O&M, costs includes all the expenditure categories since the beginning of PV plant operations. Examples of them are PV.