HT/LT Engineering & Substation Switchgear
Turnkey 33kV/11kV substation bays, VCB switchgear panels, PWD Electrical Inspectorate clearances, and MPCB-certified zero-power thermal waste decomposition systems.
Visual Offerings & Real Specimens
Authentic real-world specimens and process deliverables so you can clearly see what we execute.
HT/LT Substation Execution
Heavy electrical infrastructure designed and certified to PWD norms
Transformer substations, HT/LT switchboards, busbars, and power cables installed by certified contractors under engineer supervision.
LT Switchgear & Power Panels
Industrial distribution boards with thermal protection and circuit zoning
Engineered motor control centers, sub-distribution panels, and energy metering boards configured for resilient facility operations.
Zero-Energy Solid Waste Tech
Decentralized waste reduction with zero electricity consumption
Patented magnetic combustion machine that safely reduces organic and mixed non-recyclable solid waste right at housing societies and campuses.
Why Entrust Heavy Electrical Infrastructure to GRID APEX
From high-voltage substations powering iconic hospitality landmarks to patented zero-power solid waste treatment systems.
Why GRID APEX & JC Apex
Institutional Engineering Pedigree
- Trusted track record across Mumbai marquee luxury hospitality landmarks, multinational specialty chemical complexes, and heavy precision manufacturing plants across the MMR industrial corridors.
- Complete high-voltage and low-voltage competence covering 11kV/33kV substations, power transformers, vacuum circuit breakers, and certified cable termination.
- Strategic government tender panel empanelment consultancy empowering electrical contractors to bid for major public sector contracts.
Why Engineered Substations & Solid Waste Tech
Zero Downtime & On-Site Circularity
- Uninterruptible power delivery: luxury hotels, hospitals, and industrial production plants cannot tolerate switchgear failure or harmonic distortions.
- Mandatory statutory PWD Electrical Inspectorate compliance and preventive maintenance protect facilities from catastrophic transformer fires.
- Decentralized waste processing: patented zero-energy magnetic solid waste machines eliminate municipal tipping fees and composting odors right at source.
Why Modernize Now
Grid Safety Standards & Waste Bylaws
- Aging oil-cooled transformers and outdated panels incur heavy no-load losses and fail contemporary fire insurance risk audits.
- BMC DCPR 2034 and Solid Waste Management Rules 2016 strictly penalize commercial properties and societies that fail to process waste on-site.
- Accelerated infrastructure capex: public tenders require immediate empanelment and validated financial eligibility.
GRID APEX looks after electrical and energy projects. That covers the wiring and equipment inside a building, the heavy supply used by factories and hotels, and a patented waste treatment machine.
We plan the job, deal with the utility approvals and manage the project. The installation itself is done by experienced contractors that we have checked, so the right specialist does each part of the work.
Words you may see
- HT (high tension)
- The heavy supply used by factories, hotels and large buildings.
- LT (low tension)
- The normal supply used in homes, shops and offices.
- Net metering
- Your rooftop solar plant sends extra power to the grid, and the utility credits it on your bill.
- kWp
- The rated size of a solar plant, in kilowatts.
What we offer
HT electrical work
Panels, switchgear, transformers and cable laying, with testing and commissioning.
LT electrical work
Wiring, distribution panels, lighting, earthing and lightning protection.
Maintenance contracts
Regular servicing and breakdown support for electrical systems.
Rooftop solar and pergolas (Solis)
Dedicated solar EPC through Solis: elevated pergola arrays, BIPV architectural glass, EV charging hubs, net metering, and PM Surya Ghar subsidies.
EV charging
AC and DC charging points for offices, housing societies and commercial sites.
Solid waste machine
A patented machine that treats mixed waste on site without fuel or outside electricity. It holds a Central Government patent and is certified by the Maharashtra Pollution Control Board (MPCB).
Help with government empanelment
Advice for electrical contractors who want to register with government bodies and bid for tenders in their own name.
How the process works
A structured four-step journey designed for clarity, fixed timelines, and zero surprises.
Site visit
We look at the site and understand what you need.
Plan and price
We prepare the design and a clear cost, with quotes from our partners.
Approvals
We handle the utility paperwork, including net metering for solar.
Installation and handover
Our partner installs and tests the system, and we hand it over to you.
Portfolio
We do not name clients. This is the kind of work our team and execution partners have done, and the work we usually take on.
Rooftop solar for industrial plants
Rooftop plants for industrial users, from about 100 kWp to about 690 kWp across manufacturing and processing facilities.
HT supply for hospitality properties
HT electrical work for hotels and hospitality properties in Mumbai and other cities.
Wiring for homes, offices and shops
New wiring, distribution boards, lighting and earthing, and yearly maintenance.
Waste treatment on site
For housing societies, campuses and businesses that want to treat their own waste where it is produced.
Interactive HT Substation & APFC Sizing Engine
Simulate connected industrial demand, incomer voltage level, and uncorrected power factor to compute recommended transformer ratings, APFC capacitor bank sizing, and demand penalty reversals.
Technical Substation Load & Penalty Sizing.
Simulate connected factory demand, input voltage level, and uncorrected power factor to compute recommended transformer ratings, APFC capacitor bank sizing, and demand penalty reversals.
People and partners
Leadership
Execution partners
Who does the work
Turnkey engineering governance is retained directly by GRID APEX engineers at One International Centre. Heavy on-site fabrication, transformer rigging, and high-tension terminations are executed by vetted, licensed Class-A electrical contracting associates under our direct quality and safety supervision.
Turnkey Substation Engineering & Patented Waste Pyrolysis.
High-voltage utility substations, MSEDCL 11kV/33kV bay erection, APFC power factor correction, and Central Government patented thermal waste decomposition technology.
11kV / 22kV / 33kV Substation Bays & Switchgear
Turnkey engineering, procurement, and construction (EPC) for industrial substations, high-voltage vacuum circuit breakers (VCB), dry and oil-cooled transformers, and capacitor banks.
Thermal Solid Waste Pyrolysis Systems
Proprietary continuous thermal gasification and zero-residue decomposition technology transforming municipal and industrial solid waste into clean syngas and inert char.
Certified High-Tension Standards & MPCB Norms.
Engineered to exact Central Electricity Authority (CEA) standards, Indian Standards (IS), and Maharashtra Pollution Control Board mandates.
Central Electricity Authority Compliance
Statutory grid synchronization, insulation coordination, and clearance design for high-voltage and extra-high-voltage substations up to 33kV.
Power & Distribution Transformers
Low-loss ONAN oil-immersed and dry cast-resin transformers with copper winding, off-circuit tap changers or on-load tap changers (OLTC).
HT Vacuum Circuit Breakers (VCB)
Indoor and outdoor 11kV/33kV draw-out VCB panels rated up to 31.5 kA for 3 seconds with digital microprocessor numerical protection relays.
Chemical Pipe Earth Grid (< 1.0 Ohm)
Multi-electrode earthing grid with step and touch potential dissipation calculations, maintaining combined resistance strictly below 1.0 Ohm.
Zero-Residue Thermal Cleantech
Patented catalytic thermolysis system achieving 95% solid waste volume reduction without atmospheric toxic fly-ash or dioxin release.
Pollution Control Board Standards
Integrated Venturi scrubber and continuous emissions monitoring system (CEMS) certified under statutory State Pollution Board norms.
Real Heavy Industrial Installations & Cleantech Plants.
Real-world commissioned substations, express feeders, and thermal decomposition facilities delivered across Maharashtra manufacturing clusters.
33kV Substation Bay & Express Feeder
Dual 33kV incoming express feeder with 5 MVA ONAN transformer and automated SCADA telemetry.
- •Dual 33kV HT underground XLPE aluminium armoured feeder cables (3C x 300 sq.mm)
- •Outdoor 5 MVA 33/0.433 kV step-down transformer with OLTC and nitrogen fire protection
- •Indoor HT panel board with 4-breaker vacuum circuit breaker (VCB) configuration
- •Automated remote telemetry unit (RTU) integrated with DISCOM regional load dispatch centre
Industrial Substation Modernization & APFC
Complete 2,500 kVA substation overhaul with 900 kVAR detuned capacitor bank, eliminating monthly penalty.
- •Automated power factor correction (APFC) panel with 7% detuned copper wound reactors
- •Microprocessor relay replacement with IEC 61850 protocol communication compatibility
- •Oil filtration, BDV testing (tested > 65 kV), and bushing gasket overhaul on 2,500 kVA unit
- •Statutory inspection clearance from the Chief Electrical Inspectorate (CEI)
Municipal Solid Waste Thermal Gasifier
Central Government patented thermal catalytic decomposition reducing municipal solid waste to sterile bio-char.
- •Multi-stage thermal decomposition chamber operating at controlled 650°C to 850°C pyrolysis range
- •Continuous emissions monitoring system (CEMS) tracking PM, SOx, and NOx in real time
- •Closed-loop wet scrubbing system with zero liquid discharge (ZLD) effluent recirculation
- •Sterile non-leachable mineral char output suitable for statutory road sub-base construction
Automotive Plant 11kV Compact Substation
Dual 1,600 kVA dry cast-resin compact substation with SF6 Ring Main Unit (RMU) for zero-downtime manufacturing.
- •Pre-fabricated modular enclosure certified under IEC 62271-202 internal arc classification
- •Dry-type Class F insulation transformer eliminating oil contamination risks inside factory zones
- •Three-way 11kV extensible SF6 gas insulated Ring Main Unit with motor operated isolators
- •Main LT switchboard with motorized air circuit breakers (ACB) and automatic bus-tie logic
Substation Erection & Energization Sequence.
From ETAP load flow study to live CEI charging permission: our 90-day execution framework coordinates civil plinths, transformer erection, and DISCOM synchronization.
Load Flow Study & Feasibility
ETAP load flow simulation, short-circuit withstand calculation, soil resistivity testing, and DISCOM transmission corridor right-of-way audit.
Statutory CEI Sanctions & Procurement
Preparation and submission of statutory electrical dockets to the Chief Electrical Inspectorate (CEI) and utility clearance petitions.
Substation Erection & HT Cable Jointing
Reinforced concrete transformer plinth casting, HT switchgear positioning, heat-shrink cable termination, and chemical earth pit grid interconnect.
Relay Calibration, Charging & Energization
Secondary injection testing of numerical protection relays, transformer oil BDV verification, joint DISCOM meter sealing, and live bay energization.
Ready to discuss your project?
Reach out with your requirements. We will review what is needed and provide honest, transparent next steps.