Articles For Pro Traders

On-Grid vs Off-Grid Solar Systems: What's Right for You in Delhi/UP?

Understand the difference between On-Grid and Off-Grid solar systems — and find which fits your home or business best.

As rooftop solar grows across India, homeowners and businesses often ask: "Should I go for on-grid or off-grid solar?" The right choice depends on your location, power reliability and budget. This guide explains both systems in simple language.

What Is an On-Grid Solar System?

Also called grid-tied, an on-grid system is connected to the local electricity network.

How It Works

• Your solar panels generate electricity.
• You use that electricity for daily needs.
• Any extra electricity exports to the grid (via net metering).
• When solar production is low (night/clouds), you draw from the grid.

Key Benefits

• Lower upfront cost (no battery bank required).
• Net metering reduces your bills — often dramatically.
• Well suited for cities/towns with stable grid supply (Delhi, Noida, Ghaziabad, Lucknow).

Limitations

• Does not supply power during grid outages unless you use a hybrid inverter with batteries.

What Is an Off-Grid Solar System?

An off-grid system is fully independent from the electricity grid. It stores solar power in batteries and supplies energy even when the grid is down.

How It Works

• Solar panels charge a battery bank.
• An inverter draws power from batteries to run appliances.
• You're fully self-reliant — no grid connection.

Key Benefits

• Works during power outages.
• Ideal for remote or rural locations with poor grid access.
• No electricity bill if you meet all your needs from solar.

Limitations

• Higher upfront cost because of batteries.
• System size limited by battery capacity.
• Batteries need maintenance and eventual replacement.

On-Grid vs Off-Grid: Quick Comparison

Which One Is Better for You in Delhi/UP?

Choose On-Grid if:

• You live in a city like Delhi, Noida, Ghaziabad, Lucknow, or Kanpur.
• Your area has a reliable grid supply.
• You want maximum ROI and lower bills.
• You are eligible for government subsidy (often available for on-grid residential systems).

Choose Off-Grid if:

• You live in a rural area or face frequent power cuts.
• You want complete energy independence.
• You are okay with a higher upfront cost.

Hybrid Option: Best of Both Worlds?

A hybrid system is grid-connected but includes battery backup. It provides outage protection while letting you use net metering — a more flexible (but costlier) choice for places with unstable supply.

Need Expert Help Choosing the Right System?

At Paropkari Solar, we offer:

• ✅ Free site survey
• ✅ Customized system design
• ✅ Net metering and subsidy assistance
• ✅ Installation & after-sales service

How Much Roof Space Do You Need for a Solar System?

Estimate rooftop area, kW needs, and learn practical tips — focused for Delhi & Uttar Pradesh rooftops.

Quick Answer: Space per kW

On average, you need 80–100 sq. ft. of shadow-free rooftop area to install 1 kW of solar panels. That means:

• 1 kW = 80–100 sq. ft.
• 3 kW = 240–300 sq. ft.
• 5 kW = 400–500 sq. ft.
• 10 kW = 800–1,000 sq. ft.

How to estimate your own roof space needs

1. Check your monthly electricity bill. If you use around 300 units/month, you may need a 2.5–3 kW system. For 500–600 units/month, a 5 kW system is more suitable.
2. Multiply by roof area per kW. Example: For 3 kW → 3 × 100 = 300 sq. ft.
3. Factor in space wastage. Not all of your roof is usable due to water tanks, AC units, or shade. Assume about 75% usable area.

Rooftop Area vs. Type of Mounting

What if my roof is small?

• Use high-efficiency panels (e.g., mono PERC or bifacial)
• Install a smaller system that still reduces your bill
• Try elevated structure to use space underneath
• Combine with battery backup for better usage

Example from Delhi/UP

In a typical Delhi NCR apartment building, a common rooftop of ~2,000 sq. ft. can support a 15–20 kW system — enough to power lights, lifts, and water pumps, or be shared among flats (via group net metering). In UP cities like Lucknow, Kanpur, and Agra, 5–10 kW systems are very feasible.

Pro Tip: Don't Guess — Get a Free Site Survey.

Assess your rooftop properly to maximize solar output. Calculate available space, assess shadow impact, plan layout and orientation.

Final Takeaway

Even 300–500 sq. ft. can be enough for a powerful solar setup in urban or semi-urban areas.

Curious if your rooftop qualifies? Reach out to us for a no-obligation consultation. We'll help you calculate how much power your roof can generate — and how much you can save!

Rooftop Solar in Delhi

Powering the Capital with clean, reliable solar energy — simple, fast and subsidy-backed.

Why Delhi Is Perfect for Solar

Delhi gets over 300 days of bright sunshine each year. With strong government incentives, simplified approvals and high electricity tariffs (₹10–₹12/unit), rooftop solar systems generally pay back within 3–4 years and provide clean electricity for 20+ years.

• Multiple net metering options (individual / group / virtual)
• Generation-Based Incentives (₹2–₹3 / unit for up to 5 years)
• No DDA / Municipal approval required for typical rooftops
• Mandatory for large government/educational/medical rooftops >500 m²

Solar Policy Highlights

Key incentives and easy installation rules for Delhi residents.

• Generation-Based Incentives: Residential: ₹2–₹3 per unit (for up to 5 years)
• No Extra Charges: Exempted from banking, wheeling and other fees

Register Your Rooftop

Example: ROI for a Typical Delhi Home

3 kWp rooftop system — estimated cost ₹2,00,000 (before subsidy)

Why Choose Paropkari Solar

• • MNRE-empanelled under PM Suryaghar (Delhi & UP)
• • Hassle-free subsidy assistance via PM Suryaghar portal
• • Certified end-to-end installation and lifetime support
• • ALMM-approved panels and 25-year performance warranty
• • Customized proposal & detailed ROI calculations

Paropkari Solar – Empowering homes, schools & businesses to harness the sun.

Website: www.paropkarisolar.com

Rooftop Solar in Noida & Ghaziabad

The smartest investment you can make for your home and future — clean, powerful, and subsidy-backed.

Why Noida, Greater Noida & Ghaziabad Are Ideal for Solar

When it comes to India's best-planned cities, Noida, Greater Noida, and Ghaziabad always make the list. With wide roads, green spaces, and modern infrastructure, these NCR cities are now leading the clean energy revolution. If you live in Noida, Greater Noida, or Ghaziabad, switching to rooftop solar isn't just good for the environment — it's one of the smartest financial investments you can make.

💰 Why Going Solar in Noida Makes Perfect Financial Sense

A typical household in Noida/Greater Noida/Ghaziabad spends around ₹7,500 per month on electricity — nearly ₹90,000 per year. Installing a 3 kW rooftop solar system with net metering can reduce this bill by up to 90%.

• • Initial investment: ~₹2,00,000 for a 3 kW system
• • Annual ROI: ~25%
• • Lifetime savings: ₹20.2 lakh
• • Payback period: 3–4 years

Compare that to traditional options:

• • Fixed Deposits: ~6–7% annual return
• • Stock Markets: 10–12% (variable and risky)
• • Solar: Consistent ~25% ROI, guaranteed for 25 years

Solar is not only a smarter investment, it's a cleaner, safer, and long-term power solution for your home.

⚡ Key Benefits

• • Reduce your electricity bills by up to 90%
• • Avail subsidies under PM Surya Ghar Muft Bijli Yojana & UP state subsidy
• • Earn via net metering for excess power sent to grid
• • Zero maintenance, 25+ years system life
• • Increase property value with energy independence

Register Your Rooftop

🏠 Why Choose Paropkari Solar

Paropkari Solar is an MNRE-empanelled solar company under the PM Suryaghar Yojana for Delhi and Uttar Pradesh. We specialize in residential, institutional, and commercial installations across Noida, Greater Noida, Ghaziabad, and Delhi NCR.

• • 🌞 Expert solar advisors for personalized design
• • 🧾 Hassle-free subsidy processing (PM Suryaghar & UPNEDA)
• • 💡 High-efficiency ALMM-approved solar panels
• • 💰 Flexible EMI-based financing options
• • ⚙️ End-to-end service from survey to activation
• • 🔋 25-year performance warranty & real-time monitoring

🪜 How to Get Solar Installed with Paropkari Solar

1. Schedule a Free Site Survey: Visit our Free Quote Page and book your preferred date.
2. Get a Custom Solar Proposal: Our experts will provide a detailed proposal including size, savings & ROI.
3. Installation & Activation: Once approved, installation is completed within 4–6 weeks including subsidy, net metering & inspection.

From start to finish — we handle everything so you can enjoy a smooth, transparent solar journey.

🌍 The Time to Go Solar Is Now

With 300+ days of sunshine, generous subsidies, and strong returns, there's never been a better time to install rooftop solar in Noida or Greater Noida.