POWERGRID | A Government of India Enterprise

FIELDS OF POWER SYSTEM	FUNCTIONAL AREAS
TRANSMISSION LINES	Planning & Studies, Deposit Work
SUB-STATIONS	Design, Deposit Work
Smart Grid	Implementation & Integration of renewable energy.
LOAD DESPATCH & COMMUNICATION	Procurement & Material Management
POWER DISTRIBUTION	Quality Assurance
	Inspection
	Environment & Social Management
	Field supervision
	Integrated Project Management
	Operation & Maintenance
	Commercial
	Regulatory Issues
	Tariff Based Bidding
	Renovation & Modernization
	New Technology Development
	Smart Grid / City Applications
	Corporate Communication
	Support Services
	Institutional Capacity Building

Transmission Lines

Voltage Level	Circuit	Conductor Type
1200 kV EHVAC	Single Circuit	ACSR Octa Moose
+/-800 kV HVDC	Bi-Polar	Hexa
765 kV EHVAC	Single Circuit	ACSR Quad Bersimis
765 kV EHVAC	Double Circuit	ACSR Hexa
+/- 500 kV HVDC	Bipolar	Twin
400 kV EHVAC	Single Circuit Double Circuit Multi Circuit	ACSR Twin ACSR Quad ACSR Twin ACSR Triple HT Conductor HTLS Conductor
220 kV EHVAC	Single Circuit Double Circuit	ACSR
132 kV EHVAC	Single Circuit Double Circuit	ACSR
* Compact Towers with Delta configuration. * Multi Circuit Towers Quad-Quad. * Pole Structure at 400 kV level. * Flexible AC Transmission System (FACTS) * Thyristor Controlled Series Compensation (TCSC) * Underground cable upto 220 kV. * Satellite imaging for Detailed Survey. * Re-conductoring of Transmission line. * High Surge Impedance Loading line. * Hot line Training at the State-of-Art Hot Line Maintenance Training Center at Hyderabad substation. * Hot-line Maintenance including washing of Insulators. * Pollution Mapping. * Pile Foundation.

Sub-Stations (EHVAC, HVDC)