Solar EPC Company in India for Factories, Commercial Buildings & Institutions
Solin Green designs, supplies, builds and commissions solar power plants for businesses with serious electricity bills. Whether it is a factory roof, a hospital terrace or a ground-mounted plant, one team stays responsible from the first site visit to handover, so you are not left coordinating designers, traders and installers on your own.
Engineering-led proposals. A clearly defined scope. Support that continues after commissioning.
End-to-end execution
Design to commissioning under one contract
Engineering-led design
Sized to your load, not just your roof area
Documented equipment
Make and model stated in the proposal
Commercial and industrial focus
Built around daytime business loads
Handover support
Monitoring setup and a point of contact after go-live
What is Solar EPC, and Why Does It Matter?
EPC stands for Engineering, Procurement, and Construction. In a solar project, it represents complete single-point ownership: one contractor holds total accountability for system simulation, certified component sourcing, construction, testing, and utility grid interconnection.
The fragmented alternative is hiring an independent consultant, buying modules from a wholesale trader, and sourcing a separate local installation crew. On industrial factory roofs, vendor coordination gaps quickly translate into critical commissioning delays, compromised structural warranties, and disputes over defect liabilities.
Grid-connected solar installations across India must comply strictly with technical and grid-safety mandates established by the Central Electricity Authority (CEA) and state-level DISCOM regulations. We engineer and validate both compliance frameworks at the inception of every rooftop survey.
E
Engineering
Load study, layout, electrical and structural design, generation estimate.
P
Procurement
Modules, inverters, structures, cables and protection equipment, sourced to spec.
C
Construction
Installation, testing, commissioning and handover.
Turnkey Engineering Scope
Solin Green’s Solar EPC Services
From the initial feasibility survey to final commissioning, our turnkey delivery executes across four synchronized operational phases. Both our industrial solar solutions and commercial rooftop projects share this systematic lifecycle framework.
Stage 01
Engineering & site assessment
Every project starts with data rather than a standard quotation. We study your electricity bills and load profile, then survey the roof or land.
Structural considerations for the roof or foundation
System sizing and electrical design
Generation estimation with realistic assumptions
Stage 02
Procurement
We specify and source the components that make up the plant, and we name the make and model in your proposal so you know exactly what is going on site.
Solar modules
Inverters
Mounting structures
DC and AC cables
Protection equipment, earthing and lightning arrestors
Balance of system components and monitoring
Stage 03
Construction & installation
Our crews work to site safety practices for work at height and around live electrical areas, and every system is tested before handover.
Mounting structure installation
Module installation
DC and AC cabling
Inverter installation and electrical integration
Testing and commissioning
Documentation at handover
Stage 04
Grid connection & approvals
Most grid-connected systems involve the local DISCOM. We help with the paperwork and follow-up, but rules and timelines differ by state and project type, so we confirm requirements early instead of promising dates.
DISCOM coordination
Net metering where applicable
Grid connectivity requirements
Application documentation
Inspection and approval support
Custom System Architecture
Solar Solutions by the Kind of Site You Run
The design logic changes with the building structure and daytime operational loads. Choose your sector profile to initiate engineering planning.
Industrial solar
Flagship
Manufacturing plants, factories and other large energy consumers
Large roofs and steady daytime load make industrial sites a natural fit. We design around your connected load and shift pattern.
Key benefit: Offsets a meaningful share of daytime grid consumption
Homeowners can verify current central rooftop subsidy schemes on the PM Surya Ghar official portal, and our engineering team handles end-to-end documentation for your application.
Long-Term Asset Integrity
Why Businesses Choose the EPC Route
A commercial or industrial solar plant is a capital asset engineered to operate for 25+ years. How thoroughly it is planned, structurally calculated, and assembled matters far more than rushing installation.
The Ministry of New and Renewable Energy (MNRE) regularly issues updated benchmarks on technical feasibility and net-metering grid standards that every business owner should review before commissioning.
Design, supply and installation sit under one contract. If generation falls short or something fails, there is one team to call.
Better system planning
The plant is sized against your actual load and future expansion, not simply the biggest array the roof will take.
Lower exposure to tariff changes
Self-generated power can reduce the share of your bill tied to grid tariff revisions. Actual savings depend on your tariff, consumption and system size, so we model your numbers instead of quoting a blanket percentage.
Monitoring and upkeep
A solar plant is a long-term asset. Monitoring and routine maintenance keep output on track.
Financial and sustainability planning
Depending on your entity and current rules, tax treatment such as depreciation may apply. Confirm with your chartered accountant. Some companies also use solar towards their sustainability goals.
Continuous Asset Protection
High-yield solar generation requires active care. Explore our solar panel maintenance services for robotic cleaning, drone thermography, and scheduled electrical audits.
Execution Roadmap
How a Solin Green Solar EPC Project Runs
Total transparency from the first inquiry to plant handover. Here is the step-by-step engineering sequence our site teams follow.
01Phase 1
Consultation
We learn about your tariff, consumption, goals and constraints, and tell you honestly if solar is a fit.
Milestone Verified
02Phase 2
Site assessment
Engineers visit to survey the roof or land, check shadows and structure, and review your electrical setup.
Milestone Verified
03Phase 3
Engineering & system design
We size the plant, finalise the electrical and structural design and share a generation estimate with a clear scope.
Milestone Verified
04Phase 4
Equipment procurement
Approved components are ordered against the signed specification and tracked to site.
Milestone Verified
05Phase 5
Installation & commissioning
Structures, modules, cabling and inverters go in, followed by testing, grid coordination and commissioning.
Milestone Verified
06Phase 6
Handover & support
You receive documentation, monitoring access and a named contact for maintenance and queries.
Milestone Verified
Proven Engineering Excellence
Why Solin Green
Plenty of companies can bolt panels onto a rooftop. What defines a reliable clean energy partner is how they analyze structural feasibility, maintain transparent DISCOM communication, and safeguard generation yields across the asset’s 25-year lifecycle. Learn more about Solin Green.
Engineering first
We size from your load data and site conditions before we talk about price.
One team, start to finish
Engineering, procurement and construction are managed together.
Plain communication
Scope, assumptions and exclusions are written down in the proposal.
Quality-focused sourcing
Components are chosen for the site and documented by make and model.
Safety-conscious sites
Work-at-height and electrical safety are part of how crews operate.
Understands business loads
We plan around shifts, peak demand and daytime consumption.
Support after go-live
Maintenance and monitoring support does not end at handover.
Clear Your Doubts
Solar EPC Questions, Answered
Essential facts on technical feasibility, grid sync, warranties, and commercial Capex payback.
What is a solar EPC company?
A solar EPC company handles engineering, procurement and construction for a solar power plant under a single contract. That covers system design, equipment supply, installation, testing and commissioning, so the customer deals with one responsible party instead of several vendors.
What services are included in a solar EPC project?
Typically a site survey and load assessment, system design, generation estimation, procurement of modules, inverters, structures, cables and protection equipment, installation, testing, commissioning and grid-connection support. The exact scope, including any exclusions, is defined in the proposal for your site.
How does commercial solar EPC work?
It starts with your electricity bills and a site survey. The EPC contractor then designs a system matched to your daytime load, supplies the equipment, builds the plant and commissions it. After handover, monitoring and maintenance keep the plant performing.
What is the difference between solar EPC and solar installation?
Installation is only the construction stage. Solar EPC also includes the engineering that comes before it and the procurement of equipment. On larger commercial and industrial projects, having all three under one contract reduces gaps in responsibility.
How long does a solar EPC project take?
It depends on system size, site conditions, equipment lead times and DISCOM processes in your state. A small rooftop system and a multi-site industrial plant will have very different timelines, so we share a project schedule once the site assessment is done.
Can Solin Green handle industrial solar projects?
Yes. Industrial rooftop and ground-mounted solar for factories and manufacturing plants is a core part of our work. Share your location, connected load and roof or land details through the quote form and our engineers will advise on feasibility.
Does a solar EPC company help with grid connectivity and approvals?
We support the process, including DISCOM coordination, net metering where applicable, documentation and inspections. Approval decisions and timelines rest with the authorities and vary by state and project type, so we cannot guarantee them.
Have more questions about your specific rooftop load?