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

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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.

Tree shading

Shading measured across the full day, then a split array on multiple MPPT inputs or an elevated structure that clears the canopy.

Tiled or sloped roof

Mounting follows the pitch, every penetration sealed properly, and limited scope to raise the array. Priced as its own job.

Flood or marsh ground

Inverter, DCDB and protection gear mounted well above levels the area has seen, with cable routing planned away from low points.

Narrow plot

Usable shade free area measured rather than estimated, and an honest system size even when it is smaller than your bill justifies.

Leased premises

Roof rights established before anything is designed. Where the terrace is not yours, a carport over parking is often the workable route.

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

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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.

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.

Condition	Where it applies	What changes
Coastal salt exposure	Besant Nagar, Thiruvanmiyur, Neelankarai, Injambakkam, Santhome, Thiruvottiyur	IEC 61701 certified modules, galvanised or aluminium structures
Mature tree shading	Adyar, Alwarpet, Kilpauk and the older leafy streets	Shading surveyed across the day, split arrays, elevated mounting
Tiled and sloped roofs	Mylapore, Triplicane, West Mambalam, Purasawalkam	Pitch mounting, more critical waterproofing, limited scope to raise
Flood and marsh ground	Velachery, Pallikaranai, Perungudi, Karapakkam	Inverter and protection equipment mounted high, cable routing planned
Narrow plots, close buildings	Madipakkam, Kodambakkam, Choolaimedu, Washermanpet	Usable area far below terrace size, realistic sizing
Leased commercial premises	T Nagar, Vadapalani, Nungambakkam, Saidapet	Roof rights established before anything else
Larger plots	Anna Nagar, Avadi, Nanganallur	5 kW and above, so three-phase conversion usually needed
Newer construction	OMR corridor, Sholinganallur, Porur, Mugalivakkam	Good structural capacity, association decision route
Industrial estates	Ambattur, Guindy, Ekkattuthangal, Manali, Ennore	Sheet 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 two meters, always.

Our work

What we do in Chennai

Quick estimate

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System size

Indicative cost

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Simple payback

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Homes and independent houses

Systems from 1 kW to 10 kW sized against twelve months of consumption, with elevated structures up to 9 feet where the terrace needs to stay usable.

Solar panel for home → Independent houses →

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.

Solar for apartments →

Commercial premises

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

Commercial solar EPC → Hospitals → Schools and colleges → Retail showrooms →

Industrial

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

Industrial solar →

Choose your area

Areas we cover in Chennai

82 areas in Chennai

Adyar Most Adyar homes install 5 kW to 10 kW and cut ₹4,000 to ₹8,000 a month off the EB bill See the page → Akkarai Newer buildings make installation clean, and coastal specification keeps it that way See the page → Alandur Neighbouring arrays and future ones both checked before your layout is fixed See the page → Alwarpet Shading measured across the full day See the page → Ambattur Industrial solar built around your load profile and your lease position, not just your roof See the page → Aminjikarai We look at your actual common area bill before proposing a society system See the page → Anna Nagar Regular terraces and easy access mean clean installations, usually 5 kW to 10 kW See the page → Anna Nagar West Society route claims ₹18,000 per kW, which at 15 kW is ₹2,70,000 rather than ₹78,000 See the page → Ashok Nagar Straightforward installs on regular plots See the page → Ayanavaram Four warranty figures stated separately, so two quotes can actually be compared See the page → Besant Nagar Coastal specification as standard, so your structure is still sound in year fifteen See the page → Chetpet Honest figures for small blocks, including what a society system will and will not reduce See the page → Choolaimedu Tank and stair block shadows mapped before sizing, not after See the page → Chromepet Honest sizing for narrow plots See the page → Egmore Institutional and heritage buildings, where permissions come before panels See the page → Ekkattuthangal Load profile and shift pattern first, because they decide the size more than your roof does See the page → Ennore A cleaning schedule set to this environment, and corrosion specified for it too See the page → Gopalapuram Schools and consulates, sized to term time rather than annual average See the page → Guindy Commercial and industrial solar with an energy audit first, not a roof measurement See the page → Injambakkam Coastal specification as standard See the page → K K Nagar Housing board plots mean predictable structure See the page → Karapakkam Society common area systems at ₹18,000 per kW, with documentation your committee can use See the page → Keelkattalai We check your sanctioned load first See the page → Kilpauk Healthcare installations designed around critical load, alongside your DG and UPS See the page → Kodambakkam Measured sizing for dense plots, and load pattern analysis for studios that work nights See the page → Kolathur We work out which connection the system should serve before designing anything See the page → Kottivakkam Society route claims ₹18,000 per kW, which beats the household cap on any block of size See the page → Koyambedu Sized to your common services load, where owner and consumer are the same party See the page → Madhavaram Sized to your load, because a big roof with a small load exports cheaply See the page → Madipakkam Honest sizing for tight plots, measured across the day rather than estimated See the page → Maduravoyal Clear on what a water heater does and what panels do, before you spend on either See the page → Manali Corrosion specification set to this site, not to a standard coastal template See the page → Manapakkam Sized for your charging load as well, because expanding later means reapplying See the page → Mandaveli Full documentation handed over, which matters if you ever sell the property See the page → Medavakkam Most homes here install 3 kW to 5 kW, with payback often four to five years See the page → Mogappair Cleaning scheduled to this location, not to a standard citywide interval See the page → Mugalivakkam Vacant plots nearby noted at survey, so future shading is visible before you commit See the page → Mylapore Tiled and sloped roofs quoted properly, not at a flat terrace rate then revised See the page → Nandanam A monthly generation benchmark at handover, so you can check us rather than trust us See the page → Nanganallur Elevated structures up to 9 feet that keep your terrace usable and clear the neighbours See the page → Navalur Plan it in before construction finishes and it costs considerably less than retrofitting See the page → Neelankarai Large coastal roofs done properly See the page → Nolambur Both the panel upgrade and the raised structure costed, so you choose on figures See the page → Nungambakkam We tell you in one call whether your building’s roof is actually available to you See the page → Padi Warranty terms set out separately, so you know who does what when something fails See the page → Palavakkam Coastal specification as standard See the page → Pallikaranai Inverter and protection gear mounted for this area’s water history, at no extra cost See the page → Perambur We establish whether you can install before anyone visits See the page → Perumbakkam Large apartment blocks where the association route is the practical one See the page → Perungudi Office load matches generation almost exactly See the page → Porur Newer buildings mean clean installations, usually 3 kW to 5 kW for a home See the page → Purasawalkam Shop or home connection modelled side by side See the page → Ramapuram We will review a roof lease offer you have received and compare it to owning, free See the page → Royapettah Hospitals and dense retail, roof rights before roof size See the page → Royapuram Twelve months of bills reviewed first, and a straight answer on whether it pays See the page → Saidapet Mixed use frontage where the tariff category decides the subsidy route See the page → Saligramam Clear separation between what solar does and what your backup does See the page → Santhome Wind design stated and verified, because on this coast that is what keeps it on the roof See the page → Semmancheri Collective systems on common services, with the paperwork prepared for whoever decides See the page → Shenoy Nagar Shading assessed across the day, because that matters far more than which way you face See the page → Sholinganallur Societies here claim ₹18,000 per kW See the page → Sowcarpet An honest answer in one phone call, which here is usually that it will not work See the page → T Nagar We tell you in one phone call whether your site is viable, before anyone visits See the page → Tambaram Larger plots here take 5 kW to 8 kW, cutting ₹4,000 to ₹7,000 a month See the page → Teynampet Offices and hotels, where daytime load is the part solar reaches See the page → Thiruvanmiyur Coastal or inland specification decided by your address, not by a blanket quote See the page → Thiruvottiyur Project timed around the monsoon See the page → Thoraipakkam Sized to when you actually consume, which matters more here than how much roof you have See the page → Thousand Lights Straight answer on what a tall building’s roof can and cannot do for its bill See the page → Tondiarpet A layout that leaves you room to walk, reach and isolate on a small roof See the page → Triplicane Old tiled roofs and narrow lanes, surveyed rather than estimated See the page → Ullagaram and Puzhuthivakkam Honest sizing for small plots, and a straight answer on whether it is worth it See the page → Uthandi Hybrid and ground mount genuinely evaluated here, not dismissed by default See the page → Vadapalani Sized to when you actually trade, which matters more here than how much roof you have See the page → Valasaravakkam Layout designed to your terrace shape, because area alone will not tell you the panel count See the page → Velachery High consumption here means faster payback, often four to five years rather than six See the page → Vengaivasal New layouts and gated communities, planned in before completion See the page → Villivakkam Raised structures that leave your terrace garden where it is, and shade it See the page → Virugambakkam Small systems done properly, because a cheap kit forfeits more than it saves See the page → Vyasarpadi Our own team on your roof, so the person who surveyed it is accountable for it See the page → Washermanpet Feasibility approval first, always, before a single panel is ordered See the page → West Mambalam We settle the roof ownership question first, before anyone measures anything See the page →

What we install

Services and guides

Rooftop solar system installed on a home in Chennai

Rooftop solar for homes Systems from 1 kW to 10 kW sized to your consumption Read more →

Rooftop solar arrays on an apartment complex in Chennai

Solar for apartments and societies Common area systems with the ₹18,000 per kW society subsidy Read more →

Commercial rooftop solar installation in Chennai

Commercial solar EPC Turnkey installations for offices, showrooms and institutions Read more →

Engineers on a factory roof solar plant near Chennai

Industrial solar Sheet roof and ground mount for factories and HT connections Read more →

Blues Renewables team installing solar equipment

Solar street lighting Standalone poles with no cabling, meter or electricity bill Read more →

On grid, off grid or hybrid Which system type fits, and why most need on grid Read more →

Engineer explaining solar subsidy paperwork at a site survey

PM Surya Ghar subsidy Up to ₹78,000 for homes, filed and followed through by us Read more →

Solar array on an elevated terrace mounting structure in Chennai

Solar panel prices What a system costs in Chennai, by size Read more →

Solar engineer reviewing rooftop generation data in Chennai

Solar calculator Enter your bill, see system size and payback Read more →

Rooftop solar system connected through a net meter in Chennai

TANGEDCO net metering The application, the two meters, and what holds it up Read 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.

Call +91 98841 07170 Or faster WhatsApp a photo of your latest electricity bill

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Common questions

Solar in Chennai, common questions

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.

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.

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.

Roughly ₹55,000 to ₹85,000 per kW installed as a market range in 2026, so a 3 kW system falls around ₹1.8 to ₹2.3 lakh before the ₹78,000 subsidy. Your actual price depends on roof type, structure, connection work and location relative to the coast.

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.

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.