January 2012 Capital Investment - National Grid

This document has been redacted for Critical EnergyInfrastructure Information (CEII). 1/29/2012Exhibit ___ (EIOP-19)Page 115 of 684V. Investment by Transmission Study AreaFor regional analysis, the Company’s service territory is divided into eight transmission studyareas as shown below. Within the eight transmission study areas, the sub-transmission anddistribution networks are further subdivided into 43 distribution study areas.For each transmission study area, major projects 1 are listed by system and by spendingrationale. Descriptions of the projects can be found listed by system in Chapters II, III andIV above. The projects are also listed by spending rationale in Exhibits 1, 2 and 3.Figure III-1Transmission Study Regions1 For this discussion, major projects are those that exceed $1,000,000 in any fiscal year in the five year capital investmentplan.V - 1116