california energy commission staff s preliminary natural gas price and production forecast assumptions results in support of the 1999 docket no 99 fr 1 prepared by fuel resources office information analysis division november 16 page disclaimer views conclusions this document are those should not be interpreted as necessarily representing policies either or state introduction explains major data sources underlying wellhead prices since 1989 north american regional narg model has been principal tool used to generate estimates is a generalized equilibrium that simultaneously solves for supply demand 19 regions over 45 year time horizon divided into four pacific electric company pg&e southern socalgas san diego sdg&e
