Exhibit (515-11-1) B

Current through Rules and Regulations filed through April 4, 2022

NUMBER AND LETTER IDENTIFICATION FOR LINES FOR GEORGIA ELECTRIC SUPPLIERS (MASTER LINE MAP)

EMC's

7 North Georgia 45 Sumter 75 Lamar 92 Okefenoke

8 The Rayle 51 Snapping Shoals 77 Sawnee 94 Tri-County

17 Planters 58 Central Georgia 78 Habersham 95 Slash Pine

20 Troup 65 Irwin Co. 81 Blue Ridge 96 Amicalola

22 Colquitt Co . 66 Flint 83 Jackson 97 Middle Georgia

31 Upson Co. 67 The Satilla 84 Cobb Co. 98 Pataula

34 Carroll 68 Grady Co. 86 Three Notch 99 Coastal

35 Walton 69 Washington Co . 87 Canoochee 103 Coweta-Fayette

37 Douglas Co. 70 Mitchell Co. 88 Little Ocmulgee 108 Tri-State

39 Hart 73 0cmulgee 90 Excelsior NC 1O Heywood (N. Car.)

42 Altamaha 74 Jefferson Co . 91 The Oconee

MUNICIPALS

EP East Point

CP College Park

Where necessary, other municipalities with lines extending outside their corporate limits will be identified with the appropriate letters.

POWER COMPANIES

G Georgia Power Company

S Savannah Electric and Power Corp.

Number or letter identifiers will be at a 140 wrico size with a #6 wrico pen; example (37).

The identifiers will be placed in the line symbol only where lines of other suppliers are in close proximity.

The following state regulations pages link to this page.



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