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3 kW · Home rooftop system

3 kW solar system in Indore

The sweet spot for most Indore families: 3BHK homes with one or two ACs and bills of ₹2,000–₹3,500.

At a glance

4,377units / year

Price
₹1.74 lakh – ₹2.04 lakh
Subsidy
₹78,000
Savings / month
₹2,557
Payback
3.5 years

Specifications & numbers

System size
3 kWp
Modules
6 × 545 W mono
Roof area
~270 sq ft
Generation / month
~365 units
Generation / year
~4,377 units
Price (before subsidy)
₹1.74 lakh – ₹2.04 lakh
PM Surya Ghar subsidy
₹78,000
Net cost (mid)
₹1.11 lakh
Savings, year 1
₹30,681
Savings, 25 years
₹10.83 lakh
EMI (indicative)
₹3,742/mo · 7.0% · 5 yrs
CO₂ avoided, 25 years
73.2 t

Month by month in Indore

381Jan381Feb444Mar417Apr426May339Jun264Jul255Aug327Sep393Oct378Nov372Dec
Units per month Monsoon months

What it can run

  • One 1.5-ton AC through most of the day
  • Refrigerator, washing machine, geyser (daytime)
  • Water pump, lighting and fans
  • Home office equipment

Good to know

  • Six modules, about 270 sq ft of roof.
  • Unlocks the maximum ₹78,000 residential subsidy (₹30,000 × 2 kW + ₹18,000 for the 3rd kW).
  • Collateral-free PM Surya Ghar loans at subsidised interest are available up to 3 kW.

3 kW solar: questions

Why is 3 kW the most popular solar system size?

3 kW is where the PM Surya Ghar subsidy tops out at ₹78,000, and it is also the upper limit for the subsidised, collateral-free solar loan. For a typical Indore home using 300–400 units a month it cuts the bill by 80–100%.

How much does a 3 kW solar system save per month in Indore?

It generates about 360 units a month. At an effective tariff of around ₹7.5 per unit, that is roughly ₹2,700 a month, or ₹32,000–₹33,000 in the first year, rising as tariffs increase.

How much solar subsidy can I get in Madhya Pradesh?

Under PM Surya Ghar: Muft Bijli Yojana, homes get ₹30,000 per kW for the first 2 kW and ₹18,000 for the third kW — ₹30,000 for 1 kW, ₹60,000 for 2 kW and a maximum of ₹78,000 for 3 kW or more. Housing societies and RWAs get ₹18,000 per kW for common facilities.

Who is eligible for the PM Surya Ghar solar subsidy?

An Indian household with its own house and roof suitable for solar, a valid domestic electricity connection, and no earlier solar subsidy on that connection. The system must use DCR (domestic content) modules and be installed by a vendor registered on the national portal.

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