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

10 kW Solar System Financial Overview

Estimated gross turnkey cost₹5,20,000 – ₹5,75,000
PM Surya Ghar central subsidy₹78,000 (Residential) / 40% Tax Deprec. (Commercial)
Estimated monthly generation1,200 – 1,400 units
Annual electricity savings₹1,20,000 – ₹1,60,000 / year
Estimated capital payback4.0 – 4.5 years
Net homeowner investment₹4,42,000 – ₹4,97,000
Sources: Ministry of New and Renewable Energy (MNRE), National Portal for Rooftop Solar, verified EPC bids 2026.. How we calculate

A 10 kW solar system is a commercial-grade decentralized rooftop installation generating over 40 units per day. For commercial buyers, Section 32 allows 40% accelerated depreciation in Year 1 along with 18% GST input credit recovery.

Recommended for: Large villas, commercial establishments, clinics, petrol pumps, schools
Rooftop space required: 800 – 1,000 sq ft (shadow-free)

Technical hardware specifications for 10 kW

Standard components included in a certified turnkey installation:

System SpecificationHardware & Engineering Detail
Solar Modules18–20 x 540W/550W Tier-1 ALMM Panels
Inverter Type10 kW Three-Phase Industrial Inverter with Dual MPPT
Rooftop Requirement800 – 1,000 sq ft shadow-free
Daily Energy Generation40 – 45 kWh (units) / day
Grid InterconnectionThree-Phase Net Metering with CT/PT
Hardware Warranty25-yr panel output, 5–10 yr inverter

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Frequently asked questions: 10 kW Solar

What are the commercial tax benefits of a 10 kW solar system?+
Commercial businesses can claim 40% accelerated depreciation on the total capital expenditure in the first financial year, alongside full 18% GST input tax credit (ITC) offset.
How much roof area is required for a 10 kW solar installation?+
You need approximately 800 to 1,000 square feet of unobstructed, shadow-free rooftop space.

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