MMS · Floating · Rooftop · Agrovoltaic · Tracker · Wind · Substation · Transmission · Telecom
Steel
Structures
for Power
Niccau Energy Infra Limited engineers, fabricates, hot-dip galvanises, and erects structural steel for every power sector application in India. From a 5 kW rooftop solar frame to a 765 kV transmission line lattice tower — from a floating solar pontoon structure to a complete 400 kV substation gantry package — our structural division delivers IS 800 engineered, IS 4759 galvanised, PE-stamped structures to projects across India and international markets through DomEx TradLink.
Engineering & Fabricating Structures for Every Power Application
Niccau Energy Infra Limited is the dedicated power infrastructure and structural fabrication arm of the StenJaan Global Group — a BARREL associate company that designs, manufactures, and erects the complete range of structural steel solutions for India's power sector.
From module mounting structures for solar fields to gantry frames for 765 kV substations, from HDPE floating solar pontoons to lattice transmission line towers, from high-clearance agrovoltaic structures to wind turbine tower fabrication — Niccau Energy Infra is India's one-stop structural partner for the entire power sector.
Every structure is engineered with site-specific calculations, IS 875 wind load analysis, IS 1893 seismic assessment, and full PE-stamped structural drawings — ready for lender submission, owner review, and statutory approvals. Our hot-dip galvanising plant delivers IS 4759 coating at 85µm minimum, ensuring 25-year corrosion protection across India's most challenging climates.
Supply: Kit-form + drawings | With erection | Full EPC turnkey through BARREL | Export via DomEx TradLink
An Associate of
BARREL / StenJaan Global Group
Bharat Atom Renewable Resources Energy LimitedModule Mounting
Fixed tilt, elevated, ground mount
Floating Solar
HDPE pontoon, canal, reservoir
Rooftop
Ballasted, anchored, carport
Agrovoltaic
High-clearance, vertical fence
Tracker Structures
SAT, DAT, pile foundations
Wind Structures
Towers, foundation ring, nacelle
Substation
Gantry, equipment supports
Transmission Towers
11kV–765kV lattice & tubular
Power & Telecom
Poles, masts, custom heavy fab
GMS and aluminium fixed-tilt ground-mount structures for utility, C&I, and PM-KUSUM solar projects. IS 800 LSD design, IS 4759 hot-dip galvanised at 85µm, site-specific wind load per IS 875 Part 3. Drive pile, ground screw, and concrete footing foundation options.
Fixed Tilt Ground Mount MMS — GMS & Aluminium
Standard single and double portrait row ground-mount for all solar project scales
Technical Specifications
East-West Dual Tilt MMS
Back-to-back low-tilt E-W layout — 20–30% more modules per hectare, lower wind loading
Technical Specifications
Drive Pile & Ground Screw Foundation System
Zero-concrete foundation — hydraulic pile driver installs 200+ piles per day across any soil type
Technical Specifications
HDPE marine-grade modular pontoon systems for reservoirs, lakes, mining voids, farm ponds, irrigation tanks, and canal surfaces. UV-stabilised, 250 kg/m² safe load, anti-slip walkways, anchor mooring, gangway bridges, and inverter platforms. 25-year design life on water.
Utility Floating Solar Pontoon Structure
Modular HDPE platform for large-scale floating solar — any shape, any scale, wave-load designed
Technical Specifications
Canal Top Solar Spanning Structure
Steel bridge spanning irrigation canals — power above water, 30% evaporation reduction, unobstructed flow
Technical Specifications
Floating Solar BOS Structures & Accessories
Inverter platforms, gangway bridges, cable management pontoons, mooring hardware, and marine navigation
Products Included
Ballasted RCC, hook-clamp GI sheet / metal deck, and solar carport structures for residential, commercial, and industrial rooftops. Zero penetration ballasted options preserve waterproofing. Aluminium and GMS variants. IS 875 wind load calculation for every building type and parapet configuration.
RCC Rooftop Ballasted Structure
Concrete ballast-weighted aluminium or GMS frames — no drilling, no penetration, waterproofing intact
Technical Specifications
GI Sheet & Metal Deck Rooftop Structure
Trapezoidal hook-clamp and L-foot anchored aluminium systems for industrial and factory rooftops
Technical Specifications
Solar Carport & Canopy Structure
Covered parking canopy generating solar power, providing vehicle shade, and enabling EV charging infrastructure
Technical Specifications
High-clearance elevated structures (2m–4m) for simultaneous solar generation and crop farming beneath — PM-KUSUM agri-solar eligible. Vertical bifacial fence structures for E-W dual-harvest with zero crop shading. Designed for India's major agrovoltaic states — Rajasthan, Gujarat, Maharashtra, MP, AP, Telangana.
High-Clearance Elevated Agrovoltaic Structure
Solar above, crops below — 2m to 4m ground clearance with tractor and farm equipment access
Technical Specifications
Vertical Bifacial Solar Fence Structure
90° vertical bifacial modules — E-W morning + evening peak harvest, zero crop shading, field boundary
Technical Specifications
Custom Agrovoltaic — Hilly & Slope-Specific
Site-engineered agrovoltaic structures for hilly terrain, plantation crops, and orchard inter-cropping
Technical Specifications
Structural steel torque tube, drive pile, and foundation systems for single-axis trackers (SAT / HSAT), dual-axis trackers (DAT), and backtracking-enabled solar tracking arrays. Compatible with all major tracker brands — Nextracker, Array Technologies, Arctech, and custom in-house tracker integration.
SAT — Single Axis Tracker Structure
Torque tube, drive pile, bearing post, and purlin structure for horizontal single-axis solar tracking — 15–25% yield gain
Technical Specifications
DAT — Dual Axis Tracker Structure
Azimuth + elevation tracking — 35–40% annual yield gain, ideal for DNI-rich desert locations
Technical Specifications
Terrain-Following SAT — Slope & Undulating Ground
Inclined terrain SAT with variable pile heights and independent row rotation for sloped land
Technical Specifications
Structural steel fabrication for wind turbine projects — tower base ring / flange assembly, nacelle support frames, turbine foundation anchor cage, cable trays, ladder and platform systems, and complete wind project BOS structural packages. Fabricated to IEC 61400 and IS 800 standards.
Wind Turbine Foundation Anchor Cage & Base Ring
Heavy structural fabrication for wind turbine foundation — anchor cage, base ring, and flange assembly
Technical Specifications
Wind Tower Internals — Ladder, Platform & Cable Tray
Complete internal fit-out for wind turbine tower — access ladder, rest platforms, and cable management
Technical Specifications
Wind Farm BOS Structural Package
Complete site BOS steel — transformer plinth structures, MV cable routing, access road culvert frames, and security
Products Included
Complete structural steel for 11 kV to 765 kV outdoor substations — gantry portal frames, bus post insulators, equipment support frames, LA / CT / CVT / PT / CB / LA structures, cable tray and ladder structures, control room fabricated frames, transformer bay structures, and complete solar switchyard packages.
Substation Gantry Portal Frame Structure
Fabricated steel gantry portals for bus conductor, string insulator, and equipment support — 11 kV to 765 kV EHV substations
Technical Specifications
Substation Equipment Support Structures
Fabricated steel supports for all outdoor switchyard equipment — CT, CVT, CB, LA, PT, isolator, bus post
Technical Specifications
Solar Switchyard Complete Structural Package
Turnkey structural steel supply for solar project switchyards — gantry, equipment supports, cable tray, earthing
Products Included
Lattice angle steel transmission line towers for 11 kV to 765 kV — suspension, tension, angle, dead-end, transposition, and special crossing towers. Tubular / monopole poles for 11 kV to 132 kV distribution and sub-transmission lines. All towers designed to IS 802, wind load per IS 875, hot-dip galvanised to IS 4759.
Lattice Angle Steel Transmission Line Tower
IS 802 designed lattice towers for all voltage classes — suspension, tension, angle, dead-end, transposition
Technical Specifications
Tubular Steel Pole & Monopole Tower
Swaged / welded tubular steel poles for 11 kV distribution to 132 kV sub-transmission lines and street lighting
Technical Specifications
Special Crossing Towers — River, Railway & Highway
Extra-tall, extra-load-rated crossing towers for river, railway, highway, and other critical span crossings
Technical Specifications
Self-supporting telecom towers (SST), guyed mast structures, high mast floodlighting poles for substations and solar plants, CCTV and surveillance mast structures, ground-mounted solar switchyard bus structures, custom heavy fabrication for any power and telecom infrastructure requirement.
Telecom Tower — Self-Supporting, Guyed & Rooftop
Lattice steel self-supporting telecom towers (SST), guyed masts, and rooftop elevation structures for 4G / 5G / MW links
Technical Specifications
High Mast Floodlighting Poles
15m to 35m octagonal swaged poles for substation area lighting, solar plant perimeter lighting, and sports facilities
Technical Specifications
Custom Heavy Structural Fabrication
Any structural steel requirement for power, infrastructure, and industrial applications — engineered-to-order
Capabilities
Engineered to Every Indian & International Standard
Every Niccau Energy Infra structure is designed, fabricated, and tested to the full set of applicable standards — making our structures eligible for SECI, NTPC, PGCIL, CERC, and all government project procurement across India, and for international export through DomEx TradLink.
The primary Indian structural steel design code using Limit State Design — governing all MMS, floating, rooftop, agrovoltaic, substation, and heavy fabrication structures.
All StructuresDedicated design code for transmission line towers — governing angle steel lattice tower design, loading, and foundation for all voltage classes from 11 kV to 765 kV EHV.
Transmission Line TowersPrimary material standard for all GMS structural members — Grade A (250 MPa), Grade B (300 MPa), and E350 High Tensile for special structures. All material MTC verified.
All GMS StructuresGalvanising standard — minimum 86µm coating thickness on structural steel. In-house HDG bath at Niccau Energy Infra ensures consistent coating quality on every structural piece.
All Galvanised StructuresWind load code for India — all structures are designed with site-specific basic wind speed from IS 875 maps, including coastal cyclonic zones (Zone V — 50 m/s).
Wind Load — All StructuresSeismic load design for all structures in earthquake zones — particularly critical for substation gantry frames, wind turbine foundations, and tall transmission towers in high-zone areas.
Seismic Load DesignRCC foundation design standard — applicable for all concrete footings, pad foundations, bored pile foundations, and raft foundations for heavy structures.
Concrete FoundationsInternational standard for solar tracker structures — mechanical loading, fatigue, and qualification testing for SAT and DAT tracker structural components.
SAT / DAT TrackersInternational standard for wind turbine support structures — governing tower base ring, foundation anchor cage, and platform design for all wind turbine classes.
Wind Turbine StructuresWelding procedure and welder qualification standards — all structural welding at Niccau Energy Infra's facility is performed by AWS D1.1 or IS 9595 qualified welders with WPS / PQR records.
All Welded StructuresPGCIL tower specifications for 220 kV, 400 kV, and 765 kV transmission systems — applicable for TBCB projects and ISTS transmission line tenders.
PGCIL / ISTS TowersNiccau Energy Infra's fabrication facility is ISO 9001:2015 certified — ensuring consistent quality management from raw material procurement, fabrication, NDT, galvanising, and despatch.
Manufacturing QMSThe Niccau Energy Infra Structural Advantage
Nine structure categories. One supplier. One quality standard. Backed by BARREL Group's 5,000 MW project pipeline and the full fabrication, engineering, and erection capability of the StenJaan Global Group.
PE-Stamped Drawings
Every structure ships with PE-stamped structural drawings — wind load analysis, foundation design, and load calculations. Not generic catalogue drawings.
In-House HDG — IS 4759
86µm minimum hot-dip galvanising from our own galvanising bath — not outsourced, not spray galvanised. Guaranteed coating on every member.
NDT Certified Welds
UT, MPI, and DPT weld inspection by certified technicians on all critical joints — EHV towers, substation gantries, and wind turbine fabrications.
BARREL 5,000 MW Tested
Structures field-proven on BARREL Group's own project pipeline — real Indian conditions, real performance. Not just theoretical design validation.
765 kV Tower Capability
One of a small group of Indian fabricators able to produce PGCIL-specification 765 kV UHV lattice towers — with test erection and load test capability.
Erection Available
Turnkey structure supply + erection through BARREL Group's EPC division — structure, erection, commissioning under one contract with one accountable partner.
Export via DomEx TradLink
Structures exported to Africa, Middle East, South Asia, and Southeast Asia through DomEx TradLink — sea-freight packing, containerised or breakbulk.
Full Documentation
GA drawings, 3D structural models, BOM, MTC, NDT reports, galvanising test certs, and dimensional check sheets — ready for lender and owner submission.
Structure Enquiry — Get a Quote in 24 Hours
From a 10-module rooftop frame to a complete 765 kV transmission tower project — share your structural requirement and our engineering team will respond within 24 hours with a budgetary estimate, product recommendation, and preliminary design approach. Supply across India. Export worldwide via DomEx TradLink.
Structural Sales & Engineering
structures@niccauenergyinfra.in | epc@barrel.energy
EHV Tower & Substation Projects
towers@niccauenergyinfra.in — IS 802 design team
Export Enquiries
export@domextradlink.com — DomEx TradLink
📦 Structure Enquiry
Share your project details — we will respond within 24 hours with estimates and recommendations.
9 STRUCTURE
VERTICALS.
ONE WORLD-CLASS STRUCTURAL PARTNER.
Module mounting structures for solar fields. Floating pontoons for reservoirs. High-clearance frames for agrovoltaic farms. Tracker foundations for utility solar. Wind turbine base rings. Substation gantry frames. 765 kV EHV transmission towers. Telecom towers and high mast poles. And any custom structural fabrication your power project demands. From Niccau Energy Infra — an associate of BARREL, a StenJaan Global Group company.
Solar Modules (Ecstasy) · VOLTIQ Inverters / UPS · Structures · Cable & Accessories · Tracking Systems · Transformers · BoS for Power Projects
© Niccau Energy Infra Limited — Structural Division | An Associate of BARREL / StenJaan Global Group