Turnkey EPC — Engineering, Procurement & Construction
EPC means your solar project is engineered, procured and constructed by a single accountable partner — no coordination gaps between design, equipment and installation teams. SunEngy Solutions' HELIORA division is a full-scope EPC company in Kolkata, delivering solar projects from 2 kW residential rooftops to 1 MW+ industrial plants across West Bengal, with 12+ years of solar EPC experience.
Engineering
Detailed system design, structural analysis and generation optimisation for every project scale.
Procurement
Sourcing of ALMM-approved panels, inverters, switchgear, transformers and BOS components.
Construction
On-site installation, commissioning and DISCOM liaison by trained EPC crews.
Turnkey solar EPC for every property type
Residential EPC
2 kWp – 5 kWp home systems with full subsidy support. See Residential Rooftop Solar.
Commercial EPC
10 kWp – MWp systems for offices, factories and retail. See Commercial Solar EPC.
Industrial EPC
MW-scale plants with SCADA automation and power-quality control. See Industrial Solar Plant.
How our EPC process works
Feasibility & Survey
Site assessment, load analysis and energy audit for your Kolkata / West Bengal project.
Engineering Design
System sizing, structural and electrical design, and generation modelling.
Procurement
Sourcing of premium, ALMM-approved equipment matched to project scale.
Construction & Installation
EPC execution following MNRE, BIS, IEC and DISCOM standards.
Testing & Commissioning
Safety testing, inspection and net-metering commissioning.
Handover & O&M
Documentation handover, monitoring dashboards and Annual Maintenance Contracts.
EPC projects delivered across West Bengal
From a 390 kW installation at Uttar Banga Krishi Vishwavidyalaya to a 10 kW on-grid EPC system at The Scottish Church Collegiate School, Kolkata, and 169 rooftop systems across West Bengal's Madrasahs programme — see our complete EPC project portfolio.
EPC — common questions
What does an EPC company do?
An EPC (Engineering, Procurement & Construction) company handles the entire project — design, equipment sourcing and on-site construction — under one contract and one point of accountability.
What project sizes do you handle as EPC?
From 2 kW residential rooftops to 1 MW+ industrial plants, across Kolkata and West Bengal.
Do you provide electrical EPC beyond solar?
Yes — switchgear, transformers, APFC panels and SCADA automation are part of our broader electrical EPC capability. See all our services.