5 kW Solar System Price in India (2026): Cost, Subsidy & Generation Sizing

5 kW Solar System Financial Overview

Estimated gross turnkey cost₹2,75,000 – ₹3,00,000
PM Surya Ghar central subsidy₹78,000 (Maximum Cap)
Estimated monthly generation600 – 700 units
Annual electricity savings₹60,000 – ₹80,000 / year
Estimated capital payback3.8 – 4.2 years
Net homeowner investment₹1,97,000 – ₹2,22,000
Sources: Ministry of New and Renewable Energy (MNRE), National Portal for Rooftop Solar, verified EPC bids 2026.. How we calculate

A 5 kW solar system is suited for large residential properties with heavy cooling loads. It generates 20 to 24 units of clean electricity daily, allowing homeowners with high tariff slabs to bring their electricity bills close to zero.

Recommended for: Large bungalows, duplexes, independent homes with 3–4 ACs and bills above ₹6,000/month
Rooftop space required: 400 – 500 sq ft (shadow-free)

Technical hardware specifications for 5 kW

Standard components included in a certified turnkey installation:

System SpecificationHardware & Engineering Detail
Solar Modules10 x 540W/550W ALMM High-Efficiency Modules
Inverter Type5 kW Three-Phase Grid-Tie Inverter
Rooftop Requirement400 – 500 sq ft shadow-free
Daily Energy Generation20 – 24 kWh (units) / day
Grid InterconnectionThree-Phase Bi-directional Net Meter
Hardware Warranty25-yr panel output, 5–10 yr inverter

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Frequently asked questions: 5 kW Solar

Do I get more than ₹78,000 subsidy on a 5 kW system?+
No. The central PM Surya Ghar scheme caps the individual residential subsidy at ₹78,000 regardless of whether your system is 3 kW, 5 kW, or 10 kW.
Does a 5 kW system require a three-phase electricity connection?+
In most Indian states (such as Maharashtra, Gujarat, Delhi, Karnataka), distribution utilities require installations above 3 kW or 4 kW to be connected across a three-phase electricity meter.

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