Top 7 Questions to Ask Before Signing a Rooftop Solar Contract | SolSetu
Top 7 Questions to Ask Before Signing a Rooftop Solar Contract
Installing rooftop solar is a smart investment — but the contract you sign determines whether it stays trouble-free for years. Here are the seven questions every homeowner should ask before signing.
Ask for written warranty terms: panel power (linear performance warranty), product warranty, inverter warranty, and workmanship/installation warranty. Note the claim process and contact for claims.
Get the make/model of panels, inverters and mounting hardware on the quote. Confirm datasheets and certification (IEC, BIS, or other relevant standards).
Clarify if the vendor will submit the net-metering application, attend inspections, and follow up till the final connection. If not, ask what support they provide.
Avoid large upfront payments. Prefer milestone-based payments (survey, material arrival, installation, commissioning). Keep a clause for delayed timelines.
Ask for an estimated annual generation (kWh) based on site specifics (tilt, orientation, shading) and an expected payback timeline with subsidy factored in.
Check if the vendor provides monitoring apps or dashboards, frequency of reporting, and alerts for system downtime.
Understand included service visits, cleaning, inverter checks, and guaranteed response time for fault resolution (e.g., within 48–72 hours).
Quick action steps:
- Get at least two detailed, itemised quotes.
- Retain a copy of all certificates, datasheets, and contract annexures.
- Confirm net-metering responsibilities in writing.
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