3kW Solar System

Complete details on 3kW solar system price, generation, subsidy & ROI in Kerala. Best for homes using 300-320 units/month. Get a free quote from Aadithya Innovations today.

Kerala's most-installed size

3 kW Solar System

Sized for a typical Kerala home — enough to cover a 300–320 unit monthly bill, with the government paying a large share of the install.

Every day

~12 units

Every month

~360 units

Every year

~4,320 units

What gets installed

Capacity3 kW

Panels (400 W each)7 – 8

InverterGrid-tied / Hybrid

Roof area needed200 – 250 sq.ft

8th panel added when roof orientation calls for it

What you pay

You pay 61%

Subsidy 39%

Your share of the install Covered by PM Surya Ghar

Estimated system cost ₹1,80,000 – ₹2,20,000

PM Surya Ghar subsidy Maximum − ₹78,000

Net cost after subsidy ₹1,02,000 – ₹1,42,000

Saved on bills

₹36K – ₹42K / year

Pays for itself in

3 – 4 years

Right fit for

Households using 300 – 320 units a month. At that consumption a 3 kW grid-connected plant covers your usage without paying for capacity you won't use.

Subsidy under PM Surya Ghar Muft Bijli Yojana Kerala Solar 2025