Powering India's clean-energy transition

Modern independent home suitable for residential rooftop solar

Make your home generate power.

A rooftop solar system planned around your household electricity use, available roof area and future needs—not a standard package.

Estimate solar savingsRequest home assessment
01Bill-based sizing
02SunSaarthi installation
03Service & AMC

Your roof and electricity use guide the system. SunSaarthi delivers it.

A residential solar proposal begins with how much electricity the home uses, when it uses it and how much unshaded roof space is available.

SunSaarthi manages assessment, design, installation, testing and handover, followed by agreed service and AMC support.

Designed for the way your home uses energy.

Every home is different. The final capacity and configuration are confirmed only after reviewing the property and electrical requirement.

01

Independent homes

Use an available terrace or sloped roof to reduce dependence on grid electricity.

02

Villas

Plan solar alongside higher household loads, water heating, pumps or future EV charging.

03

New constructions

Coordinate electrical routing and rooftop planning early to avoid unnecessary rework.

04

Existing solar upgrades

Assess expansion, monitoring or battery readiness around the installed system.

Residential rooftop solar panels in daylight

Site-first designA clearer recommendation starts with your roof and your latest electricity bill.

Four inputs that make the plan useful.

01

Your electricity useWe review recent bills, tariff and when your household uses the most power.

02

Your usable rooftopOrientation, shade, access, roof condition and safe working space shape the layout.

03

Your system typeOn-grid or hybrid architecture is selected around savings, outage needs and future plans.

04

Your next stepsThe proposal explains capacity, expected generation, indicative savings and project scope.

Use your monthly bill to see a possible system size.

The calculator provides indicative capacity, generation, cost, savings and payback. A technical assessment is still required for an exact proposal.

Open solar calculator ↗

Useful answers before you begin.

How is a home solar system size decided?+

It depends on your electricity consumption, usable roof area, sanctioned load, tariff and the share of grid energy you want to offset.

Does rooftop solar provide backup during a power cut?+

A standard on-grid system shuts down during an outage for safety. Backup requires a compatible hybrid inverter and battery storage.

Can the system be planned for a future EV charger?+

Yes. Share your expected vehicle and charging requirement so future electrical demand can be considered during planning.

Are the calculator savings guaranteed?+

No. Calculator results are indicative. Actual generation and savings depend on system design, weather, shade, tariffs, usage and site conditions.

What happens after I request an assessment?+

We first understand your electricity use and property, then confirm the information or site review needed to prepare a suitable proposal.

Tell us about your home and electricity bill.

Share the basic details below. A SunSaarthi energy consultant will contact you to understand the property and the next assessment step.

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