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Rooftop solar panel array in Chennai priced per kilowatt
Solar panel price in Chennai →

Installed cost per kW, what the ₹78,000 subsidy leaves you paying, and payback by system size.

Not sure which size? The calculator sizes it from your bill in two clicks.

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Residential rooftop solar installation on a Chennai house terrace
Residential solar →

Rooftop systems for Chennai homes, sized against your bill and your sanctioned load.

Commercial rooftop solar arrays across warehouse roofs in Chennai
Commercial solar →

Higher tariffs, accelerated depreciation and green audit certification. Usually a faster payback than a home.

Installation team fixing solar panels on a rooftop in Tamil Nadu
Solar solutions →

On-grid, off-grid or hybrid. Which one your site actually calls for.

Solar lighting →

Standalone lighting for gated communities, factory perimeters, schools and layouts. No meter, no TANGEDCO file.

Rooftop solar array in Chennai claimed under the PM Surya Ghar subsidy
Subsidy and approvals →

Up to ₹78,000 from PM Surya Ghar, and the TANGEDCO file we handle for you.

Rooftop solar installation in Chennai eligible for the PM Surya Ghar subsidy PM Surya Ghar in Tamil Nadu ₹30,000 / ₹60,000 / ₹78,000 slabs Rooftop solar installation connected under TANGEDCO net metering TANGEDCO net metering Four to eight weeks, filed by us Homeowner reviewing solar subsidy documents with an engineer Eligibility and documents What to keep ready before applying
! A state top-up to ₹1 lakh was announced on 5 August 2026 but is not claimable yet. The checklist below is the PM Surya Ghar and TANGEDCO file.
Solar engineer reviewing rooftop generation data on a tablet

Calculators

Work out size, cost and return before you speak to anyone.

Rooftop solar installation in Chennai by Blues Renewables
All areas in Chennai →

What changes from one part of the city to the next, and which areas we survey.

Coverage across Tamil Nadu →

Your area not listed? We survey across the whole city and metropolitan area.

Call +91 98841 07170
Call +91 98841 07170

Solar Panel Installation in Thousand Lights

Straight answer on what a tall building’s roof can and cannot do for its bill

On a tall commercial building the roof is small relative to what the building consumes, and the obvious thought is to put panels on the facade instead. It is a fair question, and the honest answer today is that it rarely stacks up in India.

Installing across Chennai since 2020

Two years free maintenance included

Subsidy and TANGEDCO paperwork filed by us

Free site survey and energy audit, no obligation

Rooftop solar panel array installed in Chennai

Free, no obligation

Book a free survey in Thousand Lights

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The short answer

Looking for a solar panel installation company in Thousand Lights?

Blues Renewables is a solar panel installation company working in Thousand Lights and across Chennai since 2020. We install rooftop solar for homes, apartments, businesses and industrial units, handle the PM Surya Ghar subsidy of up to ₹78,000 for households and the TANGEDCO net metering application end to end, and include two years of free maintenance with every installation.

Local proof

A recent installation in Thousand Lights

Rooftop solar panel array installed in Chennai

Project record

System size e.g. 5 kW
Sub-locality e.g. Thousand Lights
Roof type e.g. RCC terrace
Bill before e.g. ₹4,200 per cycle
Bill after e.g. ₹350 per cycle
Commissioned e.g. March 2026

The local picture

Tall buildings, small roofs, and the facade question

A tall building has the same roof area as a low one on the same footprint, but many times the floor area and therefore many times the consumption. On the multi-storey commercial buildings along the Thousand Lights and Anna Salai stretch, rooftop solar can only ever offset a modest share of the load, which leads owners to ask about building-integrated or facade-mounted solar.

The honest position on facade solar

It is technically possible

And is being done on some buildings internationally.

Vertical panels generate substantially less

Than roof-mounted ones at this latitude, because sunlight strikes them at a poor angle for most of the day. The closer to the equator, the worse vertical performs.

Cost per unit generated is considerably higher

Since building-integrated products and their installation cost more than standard modules on a roof.

In the Indian market today it is rarely economic

On a straightforward payback basis, and we would rather say so than sell it. Where it does get chosen, the driver is usually architectural or reputational rather than financial, and that is a legitimate reason provided the buyer knows that is what they are paying for.

What actually works on a tall building here

Use the roof properly

After accounting for chillers, air handling units, condenser banks, telecom equipment and access, the usable area is what it is, and a well-designed array on it still displaces a useful share of daytime energy charges.

Understand what it can and cannot do

It reduces the energy charge, not the demand charge, and non-domestic consumers are generally on net feed-in rather than net metering.

Look at consumption before generation

On a large commercial building, efficiency measures frequently return more per rupee than adding generation, and an audit will show whether that is your position.

Along this stretch

Hotels have continuous load with evening and overnight peaks

So solar covers the daytime portion including laundry, kitchen and daytime cooling rather than the whole bill.

Areas we cover around Thousand Lights: Thousand Lights, Anna Salai, Nungambakkam border, Royapettah approach, Gopalapuram side, the commercial frontage.

All areas we cover in Chennai →

Not sure what your site can carry?

Send us your last electricity bill on WhatsApp and we will come back with an indicative system size and what it would offset. No visit needed for that first answer.

WhatsApp 98841 07170 Book a free survey

Residential

Solar for Thousand Lights homes

Apartment blocks

Follow the association route at ₹18,000 per kW for common areas.

Tall residential buildings

Face the same roof-to-floor-area constraint as commercial ones.

Independent houses

Few here, following the standard route.

Existing rooftop installations

Including telecom equipment, should be identified before design.

Get a free roof survey →

Commercial and industrial

Solar for Thousand Lights businesses

Offices and commercial towers

Roof area small relative to load, so expect a partial offset.

Hotels and hospitality

Continuous load with evening peaks, daytime portion addressable.

Retail and showrooms

Evening-weighted, usually leased, roof rights first.

Institutions

With procurement processes rather than quotations.

Request an energy audit →

What we install

What we install in Thousand Lights

Commercial solar EPC Turnkey installations for offices, showrooms and institutions Read more → Solar for apartments and societies Common area systems with the ₹18,000 per kW society subsidy Read more → Solar for retail showrooms Rooftop and carport options where roof area is limited Read more → Rooftop solar for homes Systems from 1 kW to 10 kW, sized to your actual consumption Read more → On grid, off grid or hybrid Which system type fits, and why most homes need on grid Read more → PM Surya Ghar subsidy Up to ₹78,000 for homes, filed and followed through by us Read more → Solar panel prices What a system costs in Chennai, by size Read more → Solar calculator Enter your bill, see your system size and payback Read more →

The process

How installation works

1

Free site survey

Shade-free roof area measured across the day, structure checked, connection name and sanctioned load confirmed.

2

Design and itemised quotation

Sized against twelve months of consumption, with every component named.

3

Approvals filed

PM Surya Ghar and TANGEDCO net metering, plus load enhancement or phase conversion in parallel where needed.

4

Installation

One to three days for a residential system, carried out by our own team rather than subcontracted.

5

Inspection and commissioning

TANGEDCO inspects, both meters go in, the system goes live.

6

Subsidy tracked to your account

And two years of maintenance included from commissioning.

We check the name on your electricity connection at the survey, because a mismatch stops more applications than any technical issue. See what to keep ready.

Free, no obligation

Book a free survey in Thousand Lights

Considering facade solar?

At this latitude vertical panels generate poorly and cost more per unit. We would rather tell you that than sell it to you.

What happens after you send your details

  1. We call you within one working day, and an engineer rather than a salesperson attends the site.
  2. The survey is free. We measure usable area and shading, check your connection and sanctioned load, and photograph the site.
  3. You get an itemised quotation naming every component and brand, with the subsidy or depreciation position set out.
  4. No obligation at any point. If solar does not make sense for your property, we will say so.

Request received

Thanks, {{ leadName }}.

We will call {{ leadMobile }} within one working day to fix a time. An engineer attends the site, not a salesperson.

Send your bill on WhatsApp

We will call you within one working day. Your number stays with us and is never sold.

Common questions

Solar in Thousand Lights, common questions

Technically yes, but it rarely stacks up financially in India today. Vertical panels generate substantially less than roof-mounted ones at this latitude because sunlight strikes them at a poor angle, and building-integrated products cost considerably more per unit generated. Where it is chosen the driver is usually architectural rather than financial.

A modest share of the load, because a tall building has the same roof area as a low one but many times the consumption. After chillers, air handling units, telecom equipment and access are accounted for, the usable area is limited. It still displaces a useful amount of daytime energy charges, but it will not transform the bill.

Consumption before generation. On a large building, efficiency measures frequently return more per rupee than adding generation, and an energy audit will show whether that is your position. We would rather tell you that than size a system that cannot address the problem.

Six to ten weeks from survey to a live, net-metered system, with TANGEDCO approval and meter installation the main variable. The installation itself is one to three days for a residential system, and longer for a commercial or industrial project.

Yes. We file the PM Surya Ghar application and the TANGEDCO net metering application, follow both through the section office, and track the subsidy to your bank account. We also check the name on your electricity connection at the survey, since a mismatch stops applications more often than any technical issue.

Two years of free maintenance from commissioning, covering panel cleaning, annual inspection of connections and structure, generation monitoring and warranty coordination with the manufacturer.

Long tail coverage

Areas we cover around Thousand Lights

Thousand Lights Anna Salai Nungambakkam border Royapettah approach Gopalapuram side the commercial frontage

Not listed? We survey across Chennai and the surrounding districts. Call and we will tell you straight away whether we can reach your site this week.

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