Our Clients

Powering India's Grid,
One Partnership at a Time

From 400 kV national transmission lines to 33 kV state distribution networks — Heptacare transformers serve the critical infrastructure that keeps India's power flowing.

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Clients Served
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Utilities & State Boards
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Years of Operations
Multinational & National Partners
Chosen by Leaders in Energy Infrastructure
Power Grid Corporation of India
NTPC Limited
Hitachi Energy
General Electric
Siemens Energy
Larsen & Toubro
State Boards & Utilities
21 Utilities Across India
UPPTCLUPPTCL
RRVPNLRRVPNL
HVPNLHVPNL
PGCILPGCIL
NTPCNTPC
NHPCNHPC
BBMBBBMB
WBSETCLWBSETCL
CSPTCLCSPTCL
BSPTCLBSPTCL
OPTCLOPTCL
PTCULPTCUL
Delhi TranscoDTL
UHBVNUHBVN
JVVNLJVVNL
AVVNLAVVNL
JDVVNLJDVVNL
DVVNLDVVNL
PVVNLPVVNL
PVVVNLPVVVNL
JUVNLJUVNL
Private & Industrial
EPC · Renewables · Power
Adani Green Energy
Adani Green Energy
Sterling & Wilson
Sterling & Wilson
ReNew Power
ReNew Power
Jakson Infra
Jakson Infra
Kalpataru Projects
Kalpataru Projects
JSW Energy
JSW Energy
INOX Wind
INOX Wind
Amara Raja Infra
Amara Raja Infra
+ And Many More Across India
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High Voltage Transformers Installed Across India

1,25,000+ Medium Voltage Transformers Serving Distribution Networks Nationwide

IS 16227 IEC 61869 NABL BIS

Discuss Your Transformer Requirements

Our engineering team can help you specify the right instrument transformer for your project.

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