Complete Cost Guide for Rooftop Solar Systems in Delhi (Updated 2025)

Solar energy is rapidly becoming the most affordable source of electricity for homes and businesses in Delhi. With rising power bills and attractive government subsidies, installing a rooftop solar system has become one of the smartest financial decisions for 2025.

But the biggest question people ask is:
“What is the price of a solar panel system in Delhi in 2025?”

In this blog, we break down the complete cost of 3kW, 5kW, and 10kW solar systems in Delhi, including:

• System price (subsidy & without subsidy)

• Installation & net-metering charges

• Subsidy amounts

• Savings & payback period

• What affects the cost

Let’s dive in.

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⚡ Solar Panel Price in Delhi (2025 Overview)

In 2025, the price of rooftop solar in Delhi depends on:

• Panel type (Mono PERC, Half-Cut, Bifacial)

• Inverter type (String / Hybrid / Microinverter)

• Mounting structure quality

• Rooftop type (RCC / tin / elevated structure)

• Wiring, earthing & safety components

Here are the average price ranges in Delhi:

Note: Prices may vary depending on brand and installation conditions.

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🔆 3kW Solar System Price in Delhi (2025)

A 3kW solar plant is ideal for a 2–3 BHK home consuming 8–12 units/day.

Price Without Subsidy: ₹1,50,000 – ₹2,10,000

Price After Subsidy: ₹70,000 – ₹1,10,000

What You Get in a 3kW System:

• 6–8 solar panels (Mono PERC)

• 3kW inverter

• Mounting structure

• DC/AC cables

• Earthing system

• Installation

Monthly Savings

₹2,000 – ₹3,000/month on electricity bills.

Payback Period

3–4 years

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🔆5kW Solar System Price in Delhi (2025)

A 5kW system is suitable for larger homes (3–4 BHK) consuming 15–20 units/day.

Price Without Subsidy: ₹2,40,000 – ₹3,50,000

Price After Subsidy: ₹1,60,000 – ₹2,50,000

What You Get:

• 10–12 panels

• 5kW inverter

• High-quality mounting structure

• Wiring & earthing

• Installation

Monthly Savings

₹3,500 – ₹4,500/month

Payback Period

3 years (approx.)

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🔆 10kW Solar System Price in Delhi (2025)

A 10kW solar plant is ideal for:

• Large homes

• Villas

• Small commercial shops

• Clinics & offices

Price Without Subsidy: ₹4,80,000 – ₹7,00,000

Price After Subsidy: ₹3,90,000 – ₹5,80,000

What You Get:

• 20+ panels

• 10kW inverter

• Robust structure

• Heavy-duty wiring

• Safety systems

• Professional installation

Monthly Savings

₹7,000 – ₹10,000/month

Payback Period

3–4 years

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🏛️ Government Subsidy on Solar Panels in Delhi (2025)

Under the PM Surya Ghar Muft Bijli Yojana, subsidies apply as follows:

Delhi residents also receive state subsidies, depending on policy updates.

Subsidy is released 45–90 days after commissioning into your bank account.

🔍What Affects Solar Pricing in Delhi?

1. Type of Solar Panels

• Mono PERC (most popular)

• Half-cut cell

• Bifacial (premium)

2. Inverter Type

• On-grid

• Hybrid

• Microinverter (costliest, highest efficiency)

3. Rooftop Design

• RCC flat roof (cheapest to install)

• Tin shed (requires special clamps)

• Elevated structure (extra cost)

4. Brand Selection

Premium brands = higher cost but longer life.

5. Installation Quality

Professional EPC companies may charge slightly more but offer:

• Better wiring

• Long-term reliability

• Higher generation

• 25-year support

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📈How Much Can You Save With Solar in Delhi?

3kW System: Save ₹24,000–₹36,000 per year

5kW System: Save ₹40,000–₹54,000 per year

10kW System: Save ₹80,000–₹1,20,000 per year

Over 25 years, this becomes lakhs of rupees in savings.

🌟Is Solar Worth It in Delhi in 2025?

Absolutely yes — because:

• Electricity tariffs in Delhi are rising

• Solar subsidies are still available

• Installation quality has improved

• Panels now come with 25-year warranty

• Payback period is only 3–4 years

Solar in 2025 is not an expense —
it’s a long-term investment with guaranteed returns.