本CWA为沼气厂运营商、投资者和市政当局提供指导，以评估在某些条件下，将给定沼气厂转换为能源和物质耦合使用是否在生态和经济上合理。为此，CWA使用了一个简单的 评价方法。

This CWA provides guidance for biogas plant operators, investors, and municipalities on how to assess whether the changeover of a given biogas plant to a coupled energetic and material use is ecologically and economically reasonable under certain conditions. For this purpose, the CWA uses a simple evaluation methodology.