Layer Estimates:

Layer: Primary Substation Headroom Points (ID:16)
Count: 375
Extent:

XMin: 297180
YMin: 372504
XMax: 407734
YMax: 575111
Spatial Reference: 27700 (27700)

Layer: Bulk Supply Points Headroom (ID:19)
Count: 64
Extent:

XMin: 300332
YMin: 374564
XMax: 407769
YMax: 556583
Spatial Reference: 27700 (27700)