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₹98,000.00
The demand for solar panels is constantly growing. There are various capacity panels available according to generation output. One of the more common variants that are popular in India is the 1 kW solar panel. The panel suits an average Indian family with a lesser consumption of monthly power. Furthermore, the initial cost for setting up such panels is among the lowest today.
A 1 kW rooftop solar power plant is a grid-connected solar photovoltaic (PV) system that converts sunlight into electricity using solar panels mounted on a rooftop.
Capacity: 1 kW (1000 Watts)
Average generation: 4–5 units/day (120–150 units/month depending on sunlight)
Area required: Approx. 100 sq.ft (10 m²) of shadow-free roof space
System type:
On-grid: Connected to utility grid (no battery)
Site Survey & Feasibility Study
Measure rooftop area, orientation, and tilt angle.
Identify shadow-free zones.
Evaluate load pattern and electricity bill.
Check for structural strength of the roof.
Design & Engineering
Prepare a single line diagram (SLD).
Size the inverter and cable lengths.
Decide mounting type (tilt or flush).
Plan earthing and cable routing.
Procurement
Source BIS-certified solar panels, inverter, and BoS components.
Verify warranty (Panels: 25 years, Inverter: 5–10 years).
Assemble GI structure on the roof using chemical anchors or concrete blocks.
Ensure a tilt angle = latitude of location (approx. 20–30°) for maximum generation.
Structure must be aligned south-facing (in India).
Fix solar modules on the structure using SS clamps and bolts.
Check for uniform alignment and tight connections.
Connect module strings using MC4 connectors as per array design.
Route DC cables from modules to DCDB (via conduit).
From DCDB → Inverter → ACDB → Main Distribution Board (DB).
For on-grid systems, connect inverter AC output to grid supply through net meter.
Install three separate earth pits:
DC equipment earthing
AC equipment earthing
Lightning arrestor earthing
Use 25×3 mm copper strip or 8 SWG GI wire for interconnection.
Connect inverter communication (Wi-Fi/GPRS) for remote monitoring.
Label all cables and junction boxes for safety and clarity.
System Inspection
Verify mechanical installation, earthing, polarity, and torque.
Ensure insulation resistance test for DC cables.
Power-On Procedure
Turn on DC Isolator → AC Isolator → Inverter.
Observe inverter startup sequence and grid synchronization.
Performance Testing
Check open-circuit voltage (Voc) and short-circuit current (Isc).
Measure AC output and confirm expected generation.
Verify data logging and communication via app or portal.
Documentation
Prepare commissioning report, test results, and photographs.
Submit to DISCOM (if on-grid) for net-metering approval.
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