Solar EPC Solutions

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.

Talk to a Solar Expert

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.

  1. Engineering

    Load study, layout, electrical and structural design, generation estimate.

  2. Procurement

    Modules, inverters, structures, cables and protection equipment, sourced to spec.

  3. 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.

  • Site survey and roof or land assessment
  • Energy and load assessment
  • Shadow analysis (tanks, parapets, neighbouring structures)
  • 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
See industrial solar solutions

Commercial solar

Flagship

Offices, retail, hotels, hospitals, warehouses, schools and colleges

Air-conditioning, lighting and equipment run through the day, which is when a rooftop plant produces the most.

Key benefit: Lowers the power you buy from the grid during working hours
Explore commercial solar

Ground-mounted solar

Suitable open land near the point of consumption

When the roof is too small or too weak, a ground-mounted plant frees capacity from the building.

Key benefit: Scales beyond rooftop limits
View ground-mounted solar projects

Residential solar

Independent homes, villas and residential buildings

Right-sized rooftop systems for households, with help understanding scheme eligibility.

Key benefit: Lower monthly bills for daytime household use
Learn about residential solar systems

Housing societies

Common-area loads such as lifts, pumps, lighting and clubhouses

Solar for shared loads, where it is permitted and practical under the society's setup and DISCOM rules.

Key benefit: Reduces common-area electricity cost
Ask about housing society solar

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.

  • One party owns the outcome

    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.

  1. 01Phase 1

    Consultation

    We learn about your tariff, consumption, goals and constraints, and tell you honestly if solar is a fit.

    Milestone Verified
  2. 02Phase 2

    Site assessment

    Engineers visit to survey the roof or land, check shadows and structure, and review your electrical setup.

    Milestone Verified
  3. 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
  4. 04Phase 4

    Equipment procurement

    Approved components are ordered against the signed specification and tracked to site.

    Milestone Verified
  5. 05Phase 5

    Installation & commissioning

    Structures, modules, cabling and inverters go in, followed by testing, grid coordination and commissioning.

    Milestone Verified
  6. 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?