High-Voltage Grid • Geofencing

Substations & Operational Geofences

Monitor high-voltage 220kV/132kV grid substation boundaries, equipment dwell times, and depot yards.

YARD-KTG Depot

Kotugoda Heavy Transformer & Line Equipment Yard

Kotugoda Junction, Minuwangoda

Radius: 700m +94 71 445 1100

HQ-DEPOT Head Office

ESTA Central Engineering Depot & Yard

45/2 Negombo Road, Peliyagoda

Radius: 450m +94 71 889 2314

SUB-HBT 220kV Live Grid

Hambantota 220kV Solar Interconnection Substation

Mirijjawila, Hambantota

Radius: 800m +94 77 555 6677

SUB-PAN 220kV Live Grid

Pannipitiya 132kV Substation Upgrade

High Level Road, Pannipitiya

Radius: 350m +94 77 112 3344

SUB-BYG 220kV Live Grid

Biyagama 220kV Grid Substation Expansion

Biyagama South, Kelaniya

Radius: 500m +94 77 221 4455

SUB-KLN 220kV Live Grid

Kelanitissa 132/220kV Power Station Substation

Kelanitissa Complex, Colombo 14

Radius: 400m +94 77 881 2299

SUB-KRW 220kV Live Grid

Kerawalapitiya 220kV Grid Substation & Combined Cycle Site

Kerawalapitiya Power Complex, Wattala

Radius: 600m +94 77 334 1122

Geofence Classification

High-Voltage Live Substation Zone (Permit-to-Work Mandatory)

Operational Base Depot & Fabrication Yard