Electrical Contracting Services Company in India
Gopa Engineering executes electrical projects the way engineers expect them to be done: planned to the last detail, built without shortcuts, and handed over with documentation that actually reflects what was installed.
- End-to-End Electrical Contracting From load calculations, SLD design, and engineering to complete HT/LT electrical system installation.
- Testing, Commissioning & Compliance Comprehensive testing, validation, safety checks, and regulatory compliance for reliable operation.
- Turnkey Project Execution Single-point responsibility for design, procurement, installation, commissioning, and final handover across industrial and commercial facilities.
Built on a Decade of Site-Level Experience
10+ Years Executing
15+ Industries Served
10+ Active Sites
12+ Engineers On Team
What an Electrical Contractor Actually Does
An electrical contractor takes full responsibility for the electrical system of a building or facility. Not just the wiring. The entire system: load calculations, design drawings, material procurement, installation, testing, authority approvals, commissioning, and handover documentation.
At Gopa Engineering, this responsibility sits with our own engineers from day one. We do not divide the scope across consultants, suppliers, and installers working independently. One team designs what another team installs. The engineer who reviewed the SLD is the same engineer who signs off the test register.
For clients, this means clearer accountability, tighter coordination, and systems that perform as designed from the day they are switched on.
Electrical Contracting Services
Gopa Engineering handles the full electrical scope for industrial and commercial projects. Every service is self-performed by our engineers and site team.
HT and LT Electrical Installation
Supply, installation, testing, and commissioning of HT panels, LT distribution boards, bus ducts, cable trays, underground cabling, earthing systems, and DG set integration. Executed to IS 732 and CEA regulations.
Substation and Transformer Erection
Design and execution of indoor and outdoor substations including distribution transformers, HT switchboards, VCBs, CTs, PTs, protection relays, and metering cubicles for facilities drawing HT supply from the state DISCOM.
Electrical Design and BOQ Engineering
Load scheduling, SLD preparation, panel and cable sizing, protection coordination, and material-level BOQ preparation before project commencement. No approximations. No assumptions left undocumented.
Lighting and Power Distribution
High-bay LED lighting design, emergency lighting, power distribution boards, energy sub-metering, and plug and socket systems for factories, warehouses, data centres, and commercial fit-outs.
Extra Low Voltage (ELV) Integration
Structured cabling, fire detection and alarm systems, CCTV, access control, PA, and BMS integration coordinated within the electrical scope. One contractor. No gaps between ELV and main power systems.
Pre-Commissioning Testing
Full test regime using calibrated instruments: insulation resistance, earth loop impedance, continuity, polarity, RCD functional checks, relay testing, and earth resistance measurement. Every result recorded and submitted.
Commissioning and Systems Handover
Controlled energisation, functional verification under load, punchlist closure, and documentation handover including as-built drawings, test certificates, warranties, and O and M manuals.
Statutory Approvals and DISCOM Coordination
Preparation and submission of CEIG and Electrical Inspectorate drawings, CEA HT metering applications, and state DISCOM power applications. We manage inspector coordination and obtain completion certificates.
Annual Maintenance Contracts (AMC)
Scheduled preventive maintenance, thermographic scanning, switchgear servicing, earth resistance testing, and rapid breakdown response for all systems we install and for third-party installations.
Scope of Electrical Works: What Gopa Engineering Covers
Clients often ask where the electrical contractor’s scope begins and ends. At Gopa Engineering, we cover both external site infrastructure and internal building electrical systems under a single point of responsibility.
External Site Electrical Works
- HT switchyard, transformer yard, and substation civil and electrical works
- Dry-type and oil-filled distribution transformers up to 33 kV
- HT panels, VCBs, CTs, PTs, isolators, and gantry erection
- DG set erection, paralleling panels, and bus duct connections
- Underground HT and LT cable laying, jointing, and termination
- Earthing grids, earthing pits, and lightning protection systems
Internal Building Electrical Works
- LT main panels, distribution boards, MCCBs, ACBs, and sub-distribution
- Bus trunking systems, cable trays, and conduit installation
- Power and control cabling with complete cable management
- Lighting systems including LED fittings, controls, and emergency luminaires
- ELV works including fire alarm, CCTV, structured cabling, and access control
- Energy metering, BMS integration, and power quality monitoring
Sectors Where We Have Executed
Gopa Engineering has built electrical systems in environments that demand more than standard workmanship. Each sector below comes with its own technical and regulatory requirements that our engineers understand from site experience.
Pharmaceutical and Biotech
GMP-compliant installations with validated cable schedules, segregated circuits for classified areas, and documentation audit trails that meet WHO-GMP and Schedule M requirements.
Chemical and Process Plants
Hazardous area wiring to IEC 60079, intrinsically safe field circuits, ATEX-rated equipment selection, and corrosion-resistant containment systems for solvent, acid, and gas environments.
Manufacturing and Heavy Industry
Power distribution for CNC lines, press shops, and auto-ancillary plants. Machine feeds, VFD wiring, power factor correction, and energy metering for high-connected-load shopfloors.
Warehouses and Logistics Hubs
High-bay LED lighting systems, rack-mounted power distribution, solar-ready infrastructure, large-format LT panels, and fire alarm integration for Grade A logistics facilities.
Hospitals and Healthcare
Critical power systems built for zero-tolerance environments. UPS integration, isolation transformers for ICU and OT circuits, generator auto-transfer, and electrical layouts meeting NABH and AERB requirements.
Commercial Buildings and IT Parks
MEP electrical fit-outs, tenant sub-metering, BMS-compatible wiring, generator and UPS systems, and structured ELV integration for Grade A office and technology campuses.
Cleanrooms and Controlled Environments
Dedicated circuits for process equipment, RFI-shielded wiring, and validated electrical systems for ISO Class 5 to Class 8 environments. Documentation maintained to the same standard as the cleanroom itself.
Government and Institutional Projects
CPWD and PWD specification-compliant electrical works, transparent BOQ billing, full audit documentation, and experience with government tendering requirements and site inspection protocols.
Sectors Where We Have Executed
Eight stages. No skipped steps. Every stage documented and signed off before the next begins.
Technical Scoping and Site Study
We begin with a site visit and a structured technical brief. Load requirements, supply parameters (HT or LT), existing infrastructure, and site constraints are documented before any design begins. Assumptions are recorded and confirmed with the client.
Engineering Design
SLD, load schedules, panel sizing, cable sizing, protection coordination, and earthing design are prepared by our engineers to IS 732 and NBC standards. Drawings are reviewed internally before submission to the client.
BOQ and Fixed Estimation
BOQ is prepared from actual material quantities derived from the engineering design. Clients receive a transparent, line-item estimate with no markup surprises. All material specifications and approved brands are listed.
Regulatory Submissions
We handle all statutory submissions: CEIG and State Electrical Inspectorate drawing approvals, CEA applications for HT connections, and DISCOM power applications. We track and follow up until approvals are received.
Procurement and Site Mobilisation
Materials are ordered against agreed specifications from approved vendors. Site crew is mobilised with full PPE, tools, and test instruments. Material delivery is tracked against the installation program.
Phased Installation with Quality Gates
Installation proceeds in defined phases with a quality sign-off at each gate. Containment erection, cable pulling, terminations, earthing, and panel wiring are each inspected and approved before the next phase begins.
Pre-Commissioning Testing
Every circuit and system is tested before energisation. Tests are carried out with calibrated instruments and results are recorded in a test register that forms part of the handover package.
Commissioning and Handover
Energisation is systematic and sequenced. Functional verification is completed under load conditions. The project is not closed until all punchlist items are resolved and the client has signed off on the documentation package.
Annual Maintenance Contracts (AMC)
Scheduled preventive maintenance, thermographic scanning, switchgear servicing, earth resistance testing, and rapid breakdown response for all systems we install and for third-party installations.
What Separates Gopa Engineering
The electrical contractor market in India has no shortage of firms that will give you a price. What is harder to find is a firm that will give you the same engineering standard on every project, regardless of its size or location.
Engineering-Led Execution
Design and installation are handled by the same team. The engineer who prepares the SLD supervises the installation. This eliminates the interpretation gap that causes rework on most sites.
Subcontracting of Core Works
Gopa Engineering executes all electrical installation with its own engineers and qualified wiremen. core scope is subcontracted if any. Quality and safety standards are maintained without exception.
Regulated Sector Competence
Our teams have worked inside GMP pharma plants, hospital critical power zones, Ex-classified chemical facilities, and ISO cleanrooms. We understand sector-specific requirements from direct site experience, not from reading standards.
Transparent BOQ Pricing
Our estimates are built from engineering drawings, not from experience-based approximations. Clients can see exactly what they are paying for, with no end-of-project surprises.
Single Contract for MEP Scope
Electrical scope can be combined with HVAC, plumbing, and fire systems under one contract. One project manager. One schedule. One point of contact. e
Handover Documentation That Works
Installation proceeds in defined phases with a quality sign-off at each gate. Containment erection, cable pulling, terminations, earthing, and panel wiring are each inspected and approved before the next phase begins.
Pan-India Site Delivery
We execute projects across Karnataka, Maharashtra, Tamil Nadu, Telangana, Andhra Pradesh, and Gujarat. Same engineering standards. Same site discipline. Regardless of city.
Commissioning and Handover
Energisation is systematic and sequenced. Functional verification is completed under load conditions. The project is not closed until all punchlist items are resolved and the client has signed off on the documentation package.
Annual Maintenance Contracts (AMC)
Scheduled preventive maintenance, thermographic scanning, switchgear servicing, earth resistance testing, and rapid breakdown response for all systems we install and for third-party installations.
Frequently Asked Questions
A: Gopa Engineering handles the full electrical scope for industrial plants, commercial buildings, pharma and biotech facilities, hospitals, warehouses, and cleanrooms. This includes LT and HT electrical installation, substation and transformer works, lighting and power distribution, ELV systems, pre-commissioning testing, statutory approvals, commissioning, and post-handover AMC.
A: No. All core electrical installation is carried out by Gopa Engineering's own engineers and qualified wiremen. We do not subcontract installation scope. This ensures consistent quality, direct accountability, and no interface gaps between design and execution.
A: LT (Low Tension) refers to electrical systems at voltages up to 1000V, typically 415V three-phase for industrial facilities. HT (High Tension) covers systems between 1000V and 33 kV and requires a dedicated on-site substation. Industrial facilities with a connected load above approximately 100 kVA typically require an HT connection. Gopa Engineering executes both LT and HT scopes under a single contract.
A: We follow a structured pre-commissioning testing process before any system is energised. Tests include insulation resistance (IR) testing, earth loop impedance, continuity, polarity checks, relay functional testing, RCD verification, and earth resistance measurement. Every result is recorded with calibrated instruments and submitted as part of the handover documentation. Only systems that pass testing are energised.
A: Yes. We prepare and submit all regulatory documentation on behalf of the client. This covers CEIG and State Electrical Inspectorate drawing approvals, CEA applications for HT metering and connection, and power applications to the state DISCOM. We coordinate authority inspections and track approvals through to completion certificate.
A: An electrical turnkey project covers the entire electrical scope from design to handover under a single contract. Gopa Engineering's turnkey scope includes load analysis and SLD design, BOQ and estimation, material procurement, site installation, authority approvals, pre-commissioning testing, commissioning, and full documentation handover. Clients deal with one point of accountability for the entire electrical system.
A: Yes. Electrical scope can be packaged with HVAC, plumbing, and fire systems under a single MEP contract. This removes the coordination risk that comes with multiple contractors working on the same building services. One team manages the full MEP scope with a single project manager and schedule.
A: We prepare a detailed Bill of Quantities from the engineering design, using actual material quantities calculated from load schedules and drawings. This gives clients a transparent, fixed-cost estimate with line-item visibility. Material brands and specifications are agreed and documented before work begins. We do not work from approximations or contingency-loaded lump sums.
A: Yes. We offer Annual Maintenance Contracts covering scheduled preventive maintenance visits, thermographic scanning to identify hot spots before failure, earth resistance testing, switchgear inspection and servicing, and rapid on-site breakdown response with defined response SLAs.
A: Gopa Engineering is headquartered in Bengaluru and executes projects across India including Hyderabad, Pune, Mumbai, Chennai, Delhi NCR, Ahmedabad, and Mysuru. We are operationally active in Karnataka, Maharashtra, Tamil Nadu, Telangana, and Andhra Pradesh.