4KW Rooftop
Category
Residential
System Size
4KW
Location
Andhra Pradesh
Type
Grid-tied Rooftop
Project Summary
A 4KW residential solar installation, designed and commissioned by Rirvana Energy. The system uses Tier-1 mono-PERC panels paired with a high-efficiency string inverter, mounted on a galvanised-steel rooftop structure with lightning protection and remote monitoring.
Estimated Impact for the Owner
Based on AP/Telangana sun hours (~4.5 kWh/kWp/day) and an average grid tariff of ₹8/unit. Actual values vary with consumption pattern.
Generation
540 kWh / month
6.6K kWh per year
Bill Savings
₹4.3K / month
₹52.6K per year
Payback Period
~4.2 years
Then 100% free electricity
25-Year Savings
₹13.14 L
Over panel warranty life
CO₂ Offset
5.4 tons / year
Cleaner air for the community
Equivalent Trees
257 trees
Planted equivalent per year
