Swiss Regulation SR 730.01: EnV, "energy-decree"
This is the superior decree to the Swiss Regulation SR 730.010.1. Relevant provisions with regard to GoO are: Art. 1, Para. f; Art. 1a; Art. 1b; Art. 1d; Art. 1e; Art. 21a; Appendix 4, Art. 1c (definition of renewable energy sources)