EHV Substation Infrastructure Supply 

What We Delivered

Vijay Transmission Pvt. Ltd. (VTPL) successfully supplied 1,200 metric tons of 765/400 kV substation structures to Siemens Energy India for their end client, Apraava Energy. This delivery supports a landmark renewable energy transmission project designed to evacuate 5.5 GW of clean power from Rajasthan’s Renewable Energy Zone (Phase IV).

1. Project Overview

Stakeholder Map & Deliverables
End Client: Apraava Energy (Integrated energy solutions provider)
Primary Contractor: Siemens Energy India Ltd.
Supplier: Vijay Transmission Pvt. Ltd. (VTPL)
Quantity Delivered: 1,200 MT of lattice-type substation structures
Voltage Rating: 765/400 kV Extra High Voltage (EHV)
Project Location: Jaisalmer & Barmer regions, Rajasthan

Project Specifications

Apraava Energy secured this interstate transmission project through India’s Tariff-Based Competitive Bidding (TBCB) process.

2. Supplier Capabilities & Scope

VTPL is a Power Grid-approved manufacturer with over 18 years of experience in fabricating substation structures and transmission towers.

Technical & Manufacturing Infrastructure

• Fabrication Capacity: 36,000 MT/year across 5 dedicated fabrication shops.
• Galvanizing Plant: In-house hot-dip galvanizing facility featuring a 9.0×0.8×1.4 m kettle (36,000 MT/year capacity).
• Voltage Expertise: Engineering capabilities spanning 33 kV to 800 kV substation structures (both lattice and pipe types).
• Quality Certification: ISO 9001:2015 BVQI Certified.
• Logistical Advantage: Manufacturing facilities are centrally located in Raipur, Chhattisgarh, optimizing freight logistics across India.

 
End-to-End Operational Scope

VTPL managed the complete lifecycle of the structural supply:
Designing ➔ Testing ➔ Fabrication ➔ Hot-dip Galvanizing ➔ Packing ➔ Supply

• International Standards Compliance: BIS, BSEN, ASTM, JIS, and DIN.
• Quality Assurance Protocol: 100% compliance monitoring across raw material sourcing, proto-assembly, fabrication, galvanizing, and final dispatch.
• In-house Laboratory: Full mechanical and chemical testing capabilities to verify material integrity.

3. Key Success Factors

Why the Partnership Succeeded:

• Pre-Approved Vendor Status: Regulatory approvals from Power Grid, NTPC, BHEL, and 21 state utilities minimized onboarding friction.
• Vertical Integration: In-house galvanizing eliminated external vendor coordination delays, securing the production timeline.
• Strategic Location: Shipping from Central India allowed for streamlined, predictable logistics directly to the project sites in Rajasthan.

4. Business Impact

For Apraava Energy

• Ensured timely progress on the critical 5.5 GW renewable power evacuation infrastructure.
• Advanced the development of the Rajasthan Renewable Energy Zone Phase IV.

 
For Siemens Energy India

• Secured a reliable, high-volume supply of EHV-grade components from a vetted manufacturer.
• Maintained strict alignment with the stringent quality standards demanded by utility-scale infrastructure.

For Vijay Transmission Pvt. Ltd.

• Demonstrated its capacity to execute large-volume, high-voltage (765 kV) infrastructure projects.
• Strengthened its long-term industrial partnership with Siemens Energy India.

5. Corporate Profiles

About Vijay Transmission Pvt. Ltd.

Conclusion

The successful supply of 1,200 MT of substation structures highlights VTPL’s capacity to deliver critical EHV infrastructure for India’s green energy transition. By supporting Siemens Energy and Apraava Energy, VTPL has reinforced its position as a highly capable and dependable manufacturing partner in the power transmission sector.