Solar Panel Installation in Teynampet

We check what already occupies your roof before promising what will fit on it

On Teynampet’s commercial buildings the roof is often already earning money. Telecom masts, hoardings and antennae occupy prime unshaded area under their own agreements, and that is a contractual question as much as a spatial one.

Residential

Solar for Teynampet homes

Apartment associations

Follow the common-area route at ₹18,000 per kW, subject to what already occupies the roof.

Independent houses

Fewer here, typically installing 3 kW to 5 kW.

Existing rooftop installations

Should be identified before design on residential buildings too.

Elevated structures

Can sometimes span above lower obstructions, though not around telecom exclusion zones.

Commercial and industrial

Solar for Teynampet businesses

Offices and commercial buildings

Excellent daytime load match where the roof is genuinely available.

Buildings with existing rooftop agreements

The occupancy and shading question comes first.

Hotels and hospitality

Continuous load with evening peaks, so solar covers the daytime portion.

Showrooms and retail

Evening-weighted, usually leased, roof rights first.

Old trees in Gopalapuram and Poes Garden: shade comes first

With more tree cover than most of the city, many Teynampet terraces lose sun to a canopy for part of the day. In Chennai the sun sits lower in the southern sky from November to January, so trees on the south side of a house cast the longest shadows exactly when output is already lowest. We model shade across the year, not on the day of the visit. Where a canopy crosses part of the array, module level optimisers or microinverters keep one shaded panel from dragging down a whole string, and an elevated frame can lift the array above a lower canopy. Low trees on the north side matter far less, because the sun is in the southern sky for most of the year.

Colleges and institutions: term-time loads

Teynampet has two well known women's colleges, Stella Maris and SIET, and several schools in and around Gopalapuram. Campus loads run on weekday daytime hours, which match solar well, but fall in vacations and on Sundays. These are non-domestic connections on net feed-in, where exports earn ₹3.61 a unit up to 10 kW and ₹3.37 from 11 to 150 kW. Size the array to the term-time weekday base load, so that holiday exports stay small, and model the vacation months separately. Colleges run as trusts may not benefit from depreciation, so an OPEX or RESCO arrangement, where you pay per unit, is worth comparing with buying the system. Campus hostels add evening and night loads that solar does not reach.

Large houses: three-phase and the 10 kW line

Big independent houses here often carry heavy air conditioning loads. Single-phase supply is limited to 4 kW, so anything larger needs three-phase. Up to 10 kW a home keeps both subsidies and pays a network charge of about ₹0.32 a unit on generation. Above it, the subsidy goes and the system needs CEIG approval and a separate generation meter. At the Chennai yield of 1,600 units per kW a year, 5 kW makes about 8,000 units a year and 10 kW about 16,000. Where a house has two roof levels, each level goes on its own inverter input so a shaded level does not drag down the other. A 5 kW system costs about ₹3,20,000 before subsidy and about ₹2,20,000 after both subsidies.