premise: Confidential Information shall include, but is not limited to, all analyses, compilations, forecasts, studies, models, "base cases", plans, procedures, calculations, reports or other documents prepared by the Disclosing Parties that may contain or reflect such information. 2. Critical Energy Infrastructure Information.  The term "Critical Energy Infrastructure Information" or "CEII" as used in this Agreement refers to the official definition provided in 18 C.F.R. § 388.113(c)(1).  CEII shall be protected under the terms of this Agreement.  For purposes of this Agreement, CEII shall also include any information which may be described as non-public transmission information including, but not limited to, the following: maps, charts, and diagrams, including location, longitude and latitude for either or both of the Disclosing Parties' electric systems; and system studies including flow studies, models, "base cases" and system planning for either or both of the Disclosing Parties.  All CEII is also Confidential Information. 