Solutions for Utilities, Industries & Developers

Transmission lines, substations, solar plants and civil works — pick the packages you need and send one enquiry. We will study the scope and come back with a clear plan.

HT & EHTOverhead lines
EPCOr package-wise
SolarRooftop & ground-mounted
CivilFoundations to buildings

Power Utilities

Transmission, distribution and substation packages

Industries & Plants

Dedicated lines, substations and captive solar

Developers & Institutions

Solar plants and civil works for campuses and buildings

Government Projects

Electrical and civil works executed to specification

Our solutions

Add what you need to one enquiry — we will study the scope and reply with a clear plan.

HT Overhead Line — Turnkey Transmission Lines Most Requested
Survey · Foundations · Erection · Stringing

HT Overhead Line — Turnkey

11 kV / 33 kV overhead lines executed end to end — from route survey to charging.

Voltage11 kV / 33 kV
SupportsPoles / lattice towers
ConductorAs per specification
TestingSag, clearance, earth resistance
Typical scopePer km
BasisTurnkey / item-rate
EHT Transmission Line Works Transmission Lines
Tower erection & stringing

EHT Transmission Line Works

Foundations, tower erection and stringing packages for EHT lines — full EPC or erection-only.

TowersSuspension & tension types
FoundationsAs per soil classification
StringingConductor, earth wire / OPGW
ScopeEPC or erection package
Typical scopePer km / per tower
BasisOn enquiry
Substation EPC (Turnkey) Substations Turnkey
Civil · Erection · Testing

Substation EPC (Turnkey)

New substations — foundations, earth mat, control room, switchyard erection, panels and commissioning.

EquipmentTransformers, breakers, isolators, CTs / PTs
ControlC&R panels, battery & charger
EarthingEarth mat as per design
CommissioningPre-commissioning tests
Typical scopePer substation
BasisTurnkey
Bay Extension & Augmentation Substations
Upgrade existing substations

Bay Extension & Augmentation

New bays and transformer augmentation in running substations, with planned shutdowns.

ScopeNew bays, transformer augmentation
WorksFoundations, structures, erection
ShutdownsPlanned with the utility
TestingBefore energisation
Typical scopePer bay
BasisOn enquiry
Rooftop Solar Plant Solar EPC
Institutional · Commercial · Industrial

Rooftop Solar Plant

Grid-connected rooftop plants on RCC or metal-sheet roofs — designed, installed and connected.

RoofRCC / metal sheet
StructureGalvanised steel, wind-load design
ProtectionACDB / DCDB, SPDs, earthing
GridMetering as applicable
Typical scopeFrom 10 kW
BasisPer kW — on enquiry
Ground-mounted Solar Power Plant Solar EPC
Utility & captive

Ground-mounted Solar Power Plant

Ground-mounted plants with structures, inverters, evacuation and O&M.

LandSurvey, levelling, fencing
StructureFixed-tilt, galvanised
EvacuationTransformer & line to grid
O&MCleaning & monitoring
Typical scopeFrom 100 kW
BasisOn enquiry
Foundations & Control-room Buildings Civil Works
Civil works

Foundations & Control-room Buildings

Tower, equipment and structure foundations, control rooms and RCC buildings.

FoundationsTowers, equipment, structures
BuildingsControl rooms, site offices
TrenchesCable trenches & ducts
QualityCube tests, stage-wise checks
Typical scopePer work order
BasisItem-rate / lump sum
Boundary Walls, Roads & Site Development Civil Works
Site works

Boundary Walls, Roads & Site Development

Boundary walls, fencing, internal roads, drainage and site levelling.

WallsRCC / masonry boundary walls
RoadsInternal roads & approach
DrainageSurface & storm-water drains
SiteLevelling & grading
Typical scopePer work order
BasisOn enquiry
Testing, Commissioning & Annual O&M Testing & O&M
Lines · Substations · Solar

Testing, Commissioning & Annual O&M

Pre-commissioning tests, energisation support and preventive maintenance contracts.

TestsIR, earth resistance, CT / PT, relays
MaintenancePreventive & breakdown
ReportsDocumented & shared
ResponseQuick site support
Typical scopePer contract
BasisAnnual contract

Why clients choose HELIOUS

One accountable partner from survey to commissioning — and long after.

Good ethics

Honest scope, transparent billing and fair dealing on every project.

Full commitment

Dedicated site teams and ownership of the schedule until handover.

Customer service

One point of contact and regular progress updates.

Quality of work

Approved materials, stage-wise checks and documented testing.

Safety first

PPE, permits, shutdown coordination and work-zone earthing.

One accountable team

Civil, electrical and testing under a single contract.

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