EHV Substation & Battery Storage Contractor · Rajasthan
EHV Engineers is a Rajasthan-based electrical contractor delivering erection, testing, commissioning and maintenance of extra-high-voltage substations and grid-scale battery energy storage systems across Rajasthan and neighbouring states.
Established in Bikaner
Founder's experience in power systems
Engineers, supervisors & technicians
Latest BESS energised, Sept 2026
What we do
One accountable team from the foundation bolt to the first megawatt exported, and maintained for years after. We work with EPC contractors, renewable developers, plant owners and utilities as an execution, commissioning and maintenance partner.
Erection of switchyard and control-room equipment for EHV and HV substations.
Electrical installation of grid-scale battery energy storage plants, containers to grid.
Pre-commissioning checks through to energisation and handover documentation.
Planned and breakdown maintenance that keeps substations and BESS plants available, including maintenance work for NTPC.
Division
A dedicated team for power, inverter-duty and auxiliary transformers, covering erection, testing and commissioning (ETC) and repair. Replacements up to 125 MVA, with our own oil filtration and vacuum plant.
ETC
Repair
Projects · Featured
Live since September 2026
Electrical installation for a 57.5 MW / 115 MWh battery energy storage plant for a leading Indian power utility. Our team installed the plant from battery containers through to 33 kV evacuation, and supported testing and energisation.
Scope installed
| Client | Leading Indian power utility |
|---|---|
| Location | Kalasar, Rajasthan |
| Power rating | 57.5 MW |
| Energy capacity | 115 MWh (2-hour) |
| Battery blocks | 5 MWh containerised units |
| Evacuation | 33 kV |
| Our role | Electrical installation, testing & commissioning support |
| Status | Commissioned, end of September 2026 |
More project experience
Substation · 400 kV
Substation · 220 kV
Transformers · up to 125 MVA
Power quality
Testing & maintenance
Company profile
Two pages, ready to forward to your procurement team.
Download profileFrom our sites
Transformer erection, switchyard works and night shifts by our own crews across western Rajasthan.
Power transformer erection, crew working on the main tankSwitchyard gantries and conductors during night workTransformer assembly with crane supportPower transformer work continuing after dark
HV bushings and fittings on a power transformer
Transformer radiator bank and cable works on site
Switchyard bus, isolators and structures at night
Power transformer installed on its foundation
Radiator bank and pipework, with our crew on site
EHV transmission tower at the substationClients
Utilities, transmission companies, renewable developers and EPC contractors across India have trusted our teams on site.
News & updates
· Projects
The battery energy storage plant at Kalasar, Rajasthan, built for a leading Indian power utility, was commissioned and has been live since the end of September 2026. Our team carried out the complete electrical installation of the BESS yard: 28 battery containers, 56 PCS units, seven 10 MVA inverter-duty transformers and about 51 km of power, control and communication cable, through to 33 kV evacuation.
Read the case study →· Certification
EHV Engineers was certified for quality, environmental and occupational health and safety management, covering supply, erection, repair, testing and commissioning of transmission lines and AIS substations up to 400 kV. The certificates are valid until June 2028.
View the certificates →How we work
We study the BOQ, layouts and specifications, flag gaps early and agree a site-wise execution schedule.
Our own crews, tools and supervisors reach site with safety plans and method statements approved.
Equipment erection, cabling and terminations, with daily progress reporting to the client.
Pre-commissioning tests, energisation support and a complete as-built and test record set.
About us
Founded in Bikaner in 2011, EHV Engineers has grown into a 60-strong technical team, including 20 certified technicians, working on substations up to 400 kV and, more recently, utility-scale battery storage. Being based in western Rajasthan puts us close to the region's solar parks and the new storage plants being built beside them.
Founded EHV Engineers in 2011 and has built it into a 60-strong technical team. Leads engineering and site execution on every project, from 400 kV substations and 125 MVA transformer replacements to the 115 MWh Kalasar BESS.
Has won and delivered large turnkey infrastructure projects across India, including more than ₹1,200 crore of network projects and 1,500 tower sites, in senior roles including CEO of Digione Technologies (since 2012), CEO of the Project Division at Teracom Limited and General Manager at HFCL. Based in Gurugram, he leads tenders, proposals and client relationships.
Why clients choose us
Our own workforce and equipmentA 60-strong in-house team including 20 certified technicians, with our own oil filtration and vacuum plant and calibrated test instruments.
EHV expertise up to 400 kVSubstation experience up to 400 kV, including power transformer replacements up to 125 MVA.
Proven on grid-scale BESSKalasar 115 MWh is installed and running.
Local to the desert sitesFast mobilisation across Bikaner, Barmer, Jaisalmer, Jodhpur and neighbouring states.
Senior engineering oversightA founder with 34 years of experience is personally involved in every project.
Safety and documentationMethod statements, test reports and as-builts delivered to client and owner's engineer standards.
Certifications
ISO certificates issued by QRO on 19 June 2025, valid until 18 June 2028, for supply, erection, repair, testing and commissioning of transmission lines and AIS substations up to 400 kV.
Careers
We are a 60-strong in-house team working on EHV substations and battery storage plants across western Rajasthan. We hire people who want hands-on experience on 220 kV and 400 kV equipment and grid-scale BESS, and we train them on site.
Work is based at our project sites and site offices at Ghator (Phalodi), Gajner and Fatehgarh, with the head office in Bikaner.
Current openings
We also welcome CVs from testing and commissioning engineers and maintenance technicians.
Questions
We erect, test and commission EHV and HV substations, and carry out the complete electrical installation of battery energy storage (BESS) plants, including PCS, battery containers, transformers, 33 kV cabling, SVGs and harmonic filters, EMS/SCADA, UPS and fire protection systems.
Yes. Alongside new installations, we take up annual maintenance contracts (AMC), hot-line (live-line) maintenance, and planned and breakdown maintenance for substations and BESS plants, including switchyard equipment, transformers, SVGs and harmonic filters, protection systems and cabling.
Our head office is in Bikaner, with a branch office in Gurugram and site offices at Ghator (Phalodi), Gajner and Fatehgarh. We work across Rajasthan, including Barmer, Jaisalmer and Jodhpur, as well as neighbouring states.
Yes. We carried out the electrical installation for the 57.5 MW / 115 MWh Kalasar BESS in Rajasthan for a leading Indian power utility, which has been live since the end of September 2026.
Yes. We regularly work as the execution and commissioning partner for EPC contractors, renewable energy developers and utilities, either on item-rate BOQ or on a defined installation scope.
Use the enquiry form on this page, email your BOQ, layout and specification to parrijaat.kochar@ehvengineers.in, or call +91 75979 66555. We usually respond within two working days.
Contact
Share your scope, drawings and timeline. We will review it and come back with a clear execution plan and quotation.
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