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Solar Panel Installation in Chennai

Chennai is not one solar market. A coastal roof in Besant Nagar needs different hardware from an inland terrace in Anna Nagar. A tiled roof in Mylapore mounts differently from a flat slab in Sholinganallur. A leased showroom in T Nagar raises a roof rights question before a technical one. This page maps what changes where.

Installing across Tamil Nadu since 2020

Two years free maintenance included

Subsidy and TANGEDCO paperwork filed by us

Free site survey and energy audit, no obligation

What changes where

Pick what applies to your site

Coastal salt

IEC 61701 salt mist certified modules and hot dip galvanised or aluminium structures, with corrosion resistant fasteners.

Six of the things that change a design in Chennai. We confirm which apply at the survey.

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We will respond within one working day. Your details stay with us and are never sold.

The short answer

Solar installation in Chennai

Blues Renewables is a solar installation company working across Chennai since 2020, covering the coastal belt from Besant Nagar to Neelankarai, the southern suburbs through Velachery and Chromepet, the OMR corridor, the central localities including Anna Nagar, T Nagar and Mylapore, and the western and industrial areas around Porur and Ambattur. Homeowners claim up to ₹78,000 under PM Surya Ghar, and we file the subsidy and TANGEDCO net metering applications end to end. To compare sizes first, see the solar panel price in Chennai for 3 kW to 10 kW systems, or start with how our solar panel installation in Chennai works.

Engineer measuring a chalk-marked layout line on a city rooftop terrace during a solar site survey
Every installation starts the same way: usable shade-free area measured, structure checked, sanctioned load and meter verified. Illustrative photograph, not a specific project.

The local picture

Why installing in Chennai depends on where in Chennai

Rooftop solar specification varies noticeably across Chennai. Coastal localities need salt mist corrosion certified modules and galvanised structures that inland areas do not. Older localities have tiled and sloped roofs requiring different mounting from flat terraces. Low-lying areas need inverters mounted above historic flood levels. Larger suburban plots usually require a three-phase conversion that smaller central plots do not.

ConditionWhere it appliesWhat changes
Coastal salt exposureBesant Nagar, Thiruvanmiyur, Neelankarai, Injambakkam, Santhome, ThiruvottiyurIEC 61701 certified modules, galvanised or aluminium structures
Mature tree shadingAdyar, Alwarpet, Kilpauk and the older leafy streetsShading surveyed across the day, split arrays, elevated mounting
Tiled and sloped roofsMylapore, Triplicane, West Mambalam, PurasawalkamPitch mounting, more critical waterproofing, limited scope to raise
Flood and marsh groundVelachery, Pallikaranai, Perungudi, KarapakkamInverter and protection equipment mounted high, cable routing planned
Narrow plots, close buildingsMadipakkam, Kodambakkam, Choolaimedu, WashermanpetUsable area far below terrace size, realistic sizing
Leased commercial premisesT Nagar, Vadapalani, Nungambakkam, SaidapetRoof rights established before anything else
Larger plotsAnna Nagar, Avadi, Nanganallur5 kW and above, so three-phase conversion usually needed
Newer constructionOMR corridor, Sholinganallur, Porur, MugalivakkamGood structural capacity, association decision route
Industrial estatesAmbattur, Guindy, Ekkattuthangal, Manali, EnnoreSheet roofs, HT connections, demand charges, corrosion

True everywhere in the city

What does not change, wherever you are

Roughly 4 to 4.5 units per kW per day. Around 80 to 100 square feet of usable shade-free roof per kW. A subsidy that stops rising at 3 kW and disappears above 10 kW for a household. Three-phase supply above 4,000 watts of connected load. And, above 10 kW, a second meter for generation.

Our work

What we do in Chennai

Quick estimate

What size system does your bill suggest?

System size

5.5 kW

Indicative cost

₹2.90 L to ₹3.33 L

PM Surya Ghar subsidy

₹78,000

Monthly saving

₹5,400

Simple payback

3.5 yrs

Indicative only, at roughly 4.2 units per kW per day and a blended domestic tariff. The state rooftop calculator run by TNGECL uses about 1,600 units per kW a year for Chennai, about 4.4 a day. Your roof, shading and sanctioned load set the real figure.

Get the real number →

Homes and independent houses

Systems from 3 kW to 10 kW sized against twelve months of consumption, with elevated structures up to 9 feet where the terrace needs to stay usable.

Apartments and housing societies

Common-area systems covering lifts, pumps, STP, corridor lighting and EV charging, claiming ₹18,000 per kW up to 500 kW.

Commercial premises

Offices, showrooms, clinics, schools and hospitals, starting with an energy audit rather than a roof measurement.

Industrial

Ambattur, Guindy, Ekkattuthangal, Manali and Ennore. Sheet roof engineering, HT connections, installation around production.

Choose your area

Areas we cover in Chennai

76 areas in Chennai

AdyarMost Adyar homes install 5 kW to 10 kW and cut ₹4,000 to ₹8,000 a month off the EB billSee the page →AkkaraiNewer buildings make installation clean, and coastal specification keeps it that waySee the page →AlandurNeighbouring arrays and future ones both checked before your layout is fixedSee the page →AlwarpetShading measured across the full daySee the page →AmbatturIndustrial solar built around your load profile and your lease position, not just your roofSee the page →AminjikaraiWe look at your actual common area bill before proposing a society systemSee the page →Anna NagarRegular terraces and easy access mean clean installations, usually 5 kW to 10 kWSee the page →Anna Nagar WestSociety route claims ₹18,000 per kW, which at 15 kW is ₹2,70,000 rather than ₹78,000See the page →Ashok NagarStraightforward installs on regular plotsSee the page →AyanavaramFour warranty figures stated separately, so two quotes can actually be comparedSee the page →Besant NagarCoastal specification as standard, so your structure is still sound in year fifteenSee the page →ChetpetHonest figures for small blocks, including what a society system will and will not reduceSee the page →ChoolaimeduTank and stair block shadows mapped before sizing, not afterSee the page →EgmoreInstitutional and heritage buildings, where permissions come before panelsSee the page →EkkattuthangalLoad profile and shift pattern first, because they decide the size more than your roof doesSee the page →EnnoreA cleaning schedule set to this environment, and corrosion specified for it tooSee the page →GopalapuramSchools and consulates, sized to term time rather than annual averageSee the page →GuindyCommercial and industrial solar with an energy audit first, not a roof measurementSee the page →InjambakkamCoastal specification as standardSee the page →K K NagarHousing board plots mean predictable structureSee the page →KarapakkamSociety common area systems at ₹18,000 per kW, with documentation your committee can useSee the page →KilpaukHealthcare installations designed around critical load, alongside your DG and UPSSee the page →KodambakkamMeasured sizing for dense plots, and load pattern analysis for studios that work nightsSee the page →KolathurWe work out which connection the system should serve before designing anythingSee the page →KottivakkamSociety route claims ₹18,000 per kW, which beats the household cap on any block of sizeSee the page →KoyambeduSized to your common services load, where owner and consumer are the same partySee the page →MadhavaramSized to your load, because a big roof with a small load exports cheaplySee the page →MadipakkamHonest sizing for tight plots, measured across the day rather than estimatedSee the page →MaduravoyalClear on what a water heater does and what panels do, before you spend on eitherSee the page →ManaliCorrosion specification set to this site, not to a standard coastal templateSee the page →ManapakkamSized for your charging load as well, because expanding later means reapplyingSee the page →MandaveliFull documentation handed over, which matters if you ever sell the propertySee the page →MogappairCleaning scheduled to this location, not to a standard citywide intervalSee the page →MugalivakkamVacant plots nearby noted at survey, so future shading is visible before you commitSee the page →MylaporeTiled and sloped roofs quoted properly, not at a flat terrace rate then revisedSee the page →NandanamA monthly generation benchmark at handover, so you can check us rather than trust usSee the page →NanganallurElevated structures up to 9 feet that keep your terrace usable and clear the neighboursSee the page →NeelankaraiLarge coastal roofs done properlySee the page →NolamburBoth the panel upgrade and the raised structure costed, so you choose on figuresSee the page →NungambakkamWe tell you in one call whether your building’s roof is actually available to youSee the page →PadiWarranty terms set out separately, so you know who does what when something failsSee the page →PalavakkamCoastal specification as standardSee the page →PallikaranaiInverter and protection gear mounted for this area’s water history, at no extra costSee the page →PeramburWe establish whether you can install before anyone visitsSee the page →PerungudiOffice load matches generation almost exactlySee the page →PorurNewer buildings mean clean installations, usually 3 kW to 5 kW for a homeSee the page →PurasawalkamShop or home connection modelled side by sideSee the page →RamapuramWe will review a roof lease offer you have received and compare it to owning, freeSee the page →RoyapettahHospitals and dense retail, roof rights before roof sizeSee the page →RoyapuramTwelve months of bills reviewed first, and a straight answer on whether it paysSee the page →SaidapetMixed use frontage where the tariff category decides the subsidy routeSee the page →SaligramamClear separation between what solar does and what your backup doesSee the page →SanthomeWind design stated and verified, because on this coast that is what keeps it on the roofSee the page →SemmancheriCollective systems on common services, with the paperwork prepared for whoever decidesSee the page →Shenoy NagarShading assessed across the day, because that matters far more than which way you faceSee the page →SholinganallurSocieties here claim ₹18,000 per kWSee the page →SowcarpetAn honest answer in one phone call, which here is usually that it will not workSee the page →T NagarWe tell you in one phone call whether your site is viable, before anyone visitsSee the page →TeynampetOffices and hotels, where daytime load is the part solar reachesSee the page →ThiruvanmiyurCoastal or inland specification decided by your address, not by a blanket quoteSee the page →ThiruvottiyurProject timed around the monsoonSee the page →ThoraipakkamSized to when you actually consume, which matters more here than how much roof you haveSee the page →Thousand LightsStraight answer on what a tall building’s roof can and cannot do for its billSee the page →TondiarpetA layout that leaves you room to walk, reach and isolate on a small roofSee the page →TriplicaneOld tiled roofs and narrow lanes, surveyed rather than estimatedSee the page →Ullagaram and PuzhuthivakkamHonest sizing for small plots, and a straight answer on whether it is worth itSee the page →UthandiHybrid and ground mount genuinely evaluated here, not dismissed by defaultSee the page →VadapalaniSized to when you actually trade, which matters more here than how much roof you haveSee the page →ValasaravakkamLayout designed to your terrace shape, because area alone will not tell you the panel countSee the page →VelacheryHigh consumption here means faster payback, often four to five years rather than sixSee the page →VillivakkamRaised structures that leave your terrace garden where it is, and shade itSee the page →VirugambakkamSmall systems done properly, because a cheap kit forfeits more than it savesSee the page →VyasarpadiOur own team on your roof, so the person who surveyed it is accountable for itSee the page →WashermanpetFeasibility approval first, always, before a single panel is orderedSee the page →West MambalamWe settle the roof ownership question first, before anyone measures anythingSee the page →PuzhalCable sized for the distance, because on a large site that quietly costs output for decadesSee the page →

What we install

Services and guides

A wall-mounted string inverter with its display lit, rooftop solar in ChennaiRooftop solar for homesSystems from 3 kW to 10 kW sized to your consumptionRead more →Rooftop solar arrays on an apartment complex in ChennaiSolar for apartments and societiesCommon area systems with the ₹18,000 per kW society subsidyRead more →Commercial rooftop solar installation in ChennaiCommercial solar EPCTurnkey installations for offices, showrooms and institutionsRead more →Engineers on a factory roof solar plant near ChennaiIndustrial solarSheet roof and ground mount for factories and HT connectionsRead more →Blues Renewables team installing solar equipmentSolar street lightingStandalone poles with no cabling, meter or electricity billRead more →Rooftop solar system on an elevated structure over a four-storey apartment block in ChennaiOn grid, off grid or hybridWhich system type fits, and why most need on gridRead more →Engineer explaining solar subsidy paperwork at a site surveyPM Surya Ghar subsidyUp to ₹78,000 for homes, filed and followed through by usRead more →Solar array on an elevated terrace mounting structure in ChennaiSolar panel pricesWhat a system costs in Chennai, by sizeRead more →Solar engineer reviewing rooftop generation data in ChennaiSolar calculatorEnter your bill, see system size and paybackRead more →Rooftop solar system connected through a net meter in ChennaiTANGEDCO net meteringThe application, the meters, and what holds it upRead more →

Free, no obligation

Book a free assessment in Chennai

Send us your last twelve months of electricity bills. For a home we will come back with a system size, an itemised price and the subsidy applied. For a business or industrial site we will run a load profile analysis first, because that determines what solar can actually offset and your roof only constrains it.

We will respond within one working day. Your details stay with us and are never sold.

Common questions

Solar in Chennai, common questions

Which areas of Chennai do you cover?

The whole city and metropolitan area, including the coastal belt, southern suburbs, the OMR and ECR corridors, central localities and the western and industrial areas. We have detailed pages for the localities where we have completed installations, and we survey across the rest of the city on request.

Does solar installation differ between areas in Chennai?

Considerably. Coastal localities need salt mist corrosion certified modules and galvanised structures. Older areas like Mylapore have tiled and sloped roofs requiring different mounting. Low-lying areas need the inverter mounted above historic flood levels. Larger suburban plots usually need a three-phase conversion. The specification follows the address, not the city.

How do I find a solar installer near me in Chennai?

Check that the installer uses ALMM listed DCR compliant panels, provides an itemised quotation naming every component, installs with their own team rather than subcontracting, files the TANGEDCO and subsidy paperwork, and can show you a completed installation near you. All five are checkable before you commit.

How much does solar cost in Chennai?

A 3 kW home system starts at about ₹2,10,000 installed, about ₹1,32,000 after the ₹78,000 PM Surya Ghar subsidy, and about ₹1,10,000 if the ₹22,000 Tamil Nadu top-up applies. A 5 kW system starts at about ₹3,20,000, or about ₹2,20,000 after both. Your actual price depends on roof type, structure, connection work and location relative to the coast.

How long does a solar installation take in Chennai?

Six to ten weeks from survey to a live, net-metered system. The installation itself is one to three days for a residential system, and TANGEDCO approval with meter installation is the main variable at four to eight weeks. Outer circles generally take longer.

Do you charge for a site survey?

No. The survey is free anywhere in Chennai and the metropolitan area, with no obligation. An engineer attends rather than a salesperson, measures shade-free area across the day, and checks your connection name and sanctioned load.

Who can get the rooftop solar subsidy in Chennai?

A household with a grid connection in its own name, a suitable roof, DCR panels and a vendor registered on the national portal can claim up to ₹78,000 under PM Surya Ghar. Homes registered on the portal from 5 August 2026 can also receive Tamil Nadu's top-up of up to ₹22,000. Flat owners claim through their association, at ₹18,000 per kW for common areas, and businesses get no subsidy. The full checklist is in our PM Surya Ghar eligibility guide.