01
Traffic film
Roofs facing GST Road are quoted with washing in mind. Output falls when that film is left on the glass.
Alandur roofs on and off GST Road
Solar panels for your home in Alandur.
Some terraces face GST Road and pick up a dark film from buses and trucks. Others sit on interior streets, where a high parapet can shade the glass in the morning. ZeroEB marks which of those two you have. The visit starts from Madipakkam and is free.
Two different roofs
Highway film, or a parapet shadow.
On the GST Road side the glass dulls faster than on a quiet lane. The row keeps a path, and there has to be a way up to it, because someone will need to wash the modules. That wash is a later visit. The film comes back, so the path cannot be blocked by a second row.
Inland from the highway, older houses often carry a tall parapet. Modules set against it lose the morning sun. We leave that band empty, or we keep the frame above the shadow. The tank stays where it is. City-wide module choice is on panels for a Chennai home. A single row on a tight plot is the Adambakkam case. Here the split is traffic film against parapet shade.
Wash path on GST RoadParapet shadow markedVisit from MadipakkamWhat the visit writes down
Four checks before a row is drawn.
02
A way up
A ladder or a clear walkway has to reach the row. If the only access is climbing the parapet, the layout changes.
03
Parapet band
On an interior house we mark the morning shadow from a high parapet and start the modules behind it.
04
DCR
Central assistance needs cells and modules made in India. Eligible homes can receive up to ₹78,000. The amount follows the scheme on the day you apply.
Who can go ahead
A house you own, or a terrace the block allows.
An independent house set back from GST Road is usually one owner's decision. A flat near Alandur metro uses a common terrace only after that use is allowed in writing. A balcony over the highway is not a mounting place.
Washing after the traffic film builds up is described on panel cleaning. How the frame is fixed is on solar panel installation. Modules you already hold are labour, quoted on installation services. The Alandur figure is on solar panels and prices in Alandur. How the crew sets the row is on solar panels and installation in Alandur. The subsidy gap is on panel and price. NDCR against DCR is in that guide before an import is confirmed.
Before you order
Dust, shadow, then the subsidy.
Do you visit Alandur from Madipakkam?
Yes. The roof visit is free. A recent bill is enough to start. You can stop after the dust and the parapet shadow are marked. No modules are ordered that day.
The roof faces GST Road. Will the dust spoil the plant?
It cuts output if the glass stays coated. We leave a path and a way up so the modules can be washed. Washing is booked separately, because the film returns.
The parapet is high. Do modules sit against it?
Not in the morning shadow. That strip stays empty, or the frame clears it. The tank is not moved to fill the gap.
Do subsidy plants need DCR modules?
Yes. Cells and modules must be made in India. Eligible homes can receive up to ₹78,000, subject to the scheme on the day you apply. NDCR is only if that assistance has already been given up.
Say if the Alandur roof faces GST Road or a quiet street.
A free visit from Madipakkam. We mark the film, the parapet shadow, and whether the plant should be DCR.
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