III. Procedural History

The parties submitted extensive comments in response to the Order Instituting Rulemaking (OIR). Administrative Law Judge (ALJ) Thomas held a prehearing conference on September 21, 2005, and Assigned Commissioner Grueneich and ALJ Thomas issued their scoping memo on October 17, 2005. ALJ Thomas held five days of evidentiary hearings on the scope of electric procurement confidentiality from November 28, 2005-December 2, 2005. The parties conducted extensive meet and confer sessions on the contents of the Matrix, and submitted their final recommendations, in two separate versions of the Matrix (one for IOUs and one for ESPs), on January 13, 2006 and January 19, 2006, respectively. The parties submitted post hearing opening briefs on February 6, 2006 and post hearing reply briefs on February 22, 2006. The matter was submitted on February 22, 2006.