A complete guide for homeowners and businesses planning to switch to solar in 2025

Choosing the right solar panel company in Delhi is one of the most important decisions you will make for your home or business. A solar system lasts 25+ years, so the quality of installation, service, and company reliability matters far more than just the panel brand or price.

Delhi has dozens of solar vendors — but not all offer the same expertise, quality, or support. To help you make a safe and informed decision, here are the top 10 things you must check before choosing a solar panel company.

1. Company’s Certifications & Government Registration

Always check whether the company is:

• MNRE-approved

• Registered on the Delhi DISCOM portal (TPDDL, BRPL, BYPL)

• A certified solar EPC vendor

These certifications ensure the company follows government standards and is eligible to process your subsidy.

2. Experience & Track Record in Solar Projects

Experience matters.
Look for:

• Number of years in the solar industry

• Total installations completed

• Case studies, photos, and customer success stories

A company with proven experience will guarantee better installation quality and system performance.

3. Quality of Solar Panels & Inverters Used

Technology decides long-term performance.
Ensure the company uses:

• Tier-1 solar panels

• High-efficiency inverters (String/Hybrid/On-grid)

• Quality mounting structures

• Certified wiring & safety components

Cheap components lead to low generation and frequent breakdowns.

4. Warranty on Panels, Inverters & Workmanship

A good solar company should offer:

• 25-year performance warranty on panels

• 8–12 year warranty on inverters

• 5-year workmanship warranty

If the warranties are unclear or not documented, that's a red flag.

5. Transparent Site Survey & Load Analysis

Before installation, the company must conduct:

• In-person site survey

• Shade analysis

• Structural assessment

• Load requirement analysis

This ensures your solar system is designed correctly and generates maximum electricity.

6. Clarity in Pricing — No Hidden Charges

A reliable company provides a clear quotation with:

• Equipment details

• Installation charges

• Net-meter charges

• Civil work (if needed)

• Warranty details

• AMC or O&M charges

If a company avoids sharing written pricing, avoid them.

7. Complete Support for Subsidy & Government Approvals

Solar subsidy involves multiple approvals:

• Stage-1

• Stage-2 (Technical)

• Stage-3 (Commissioning)

• Net-meter approval

• DISCOM inspection

The company should assist you at every step, including portal submissions and documentation.
In Delhi, subsidy approval takes 45–90 days after commissioning.

8. After-Sales Service & Maintenance Capability

Solar is a long-term product.
Ask the company about:

• Service response time

• Maintenance packages (AMC/O&M)

• Warranty claim support

• Real-time monitoring support (if available)

A company that disappears after installation is dangerous — choose a vendor with strong after-sales commitment.

9. Installation Quality & Safety Standards

Poor installation leads to:

• Low generation

• Loose wiring

• Water leakages

• System breakdowns

Check whether the company follows:

• Proper earthing

• Surge protection

• Correct tilt angle

• Waterproof wiring

• High-quality structures

• Clean installation practices

Ask for photos of their past work.

10. Customer Reviews & Ratings

Before finalizing, read:

• Google reviews

• Social media ratings

• Testimonials

• Video feedback

Look for patterns — consistent positive feedback means good service, while repeated complaints indicate real issues.

Final Tip: Don’t Choose Cheap, Choose Trusted

Solar is a 25-year investment, not a one-time purchase.
A cheap solar vendor may save you money now, but cost you lakhs in the long run through:

• Poor generation

• Faulty components

• Weak installation

• No after-sales service

• Repeated breakdowns

• Warranty issues

Choose a company that provides:

✔️ Quality
✔️ Transparency
✔️ Experience
✔️ Proper documentation
✔️ Long-term support

Finding the right solar partner ensures your rooftop becomes a reliable, efficient, and profitable power source for the next three decades.

Your complete journey from booking solar to receiving government subsidy — explained clearly.

Installing a rooftop solar system should be simple, transparent, and hassle-free. At SOLAR-MAIT, we follow a streamlined and fast process that ensures your system is installed safely, professionally, and in the shortest possible time — while we also handle all government approvals for you.

Here is a clear breakdown of how the entire journey works.

1. Initial Approval From Government (1–7 Days)

Once you confirm your solar order with SOLAR-MAIT, the first step is to apply for government approval through the official DISCOM/portal.

This includes:

• Registration on the solar subsidy portal

• Submitting rooftop details

• Selecting SOLAR-MAIT as your registered vendor

• Uploading necessary documents

Our team handles the entire filing process on your behalf.

Approval time: Usually 1–7 days, depending on your state and DISCOM speed.

2. Material Preparation by SOLAR-MAIT (1–2 Days)

As soon as approval is received, we begin preparing the entire solar kit for your home.

This includes:

• Tier-1 solar panels

• High-efficiency inverter

• Mounting structures

• DC/AC cables

• Earthing kit

• Connectors & safety equipment

Since SOLAR-MAIT maintains ready inventory and fast procurement channels, we ensure your material is prepared in 1–2 working days without delays.

3. Dispatch & Delivery to Your Home (1 Day)

Once material preparation is complete, our logistics team arranges quick dispatch.

• Materials are packed securely

• Shipped through dedicated delivery partners

• Delivered safely to your site within 1 day

This ensures your installation process starts immediately without waiting for supplies.

4. Professional Installation on Your Rooftop (1–7 Days)

This is the heart of the entire process.
Our expert EPC team arrives at your location to begin a clean, safe, and structured installation.

The steps include:

Site leveling & structure fitting

Mounting structures are installed based on roof type (RCC/Sheet/Tin/Tile).

Solar panel fixing

Panels are fixed securely at the correct angle for maximum generation.

Inverter installation & wiring

We install the inverter inside your home and complete AC/DC wiring neatly.

Earthing & surge protection

Safety systems ensure long-term system stability.

Testing & quality check

Full inspection is done before system handover.

Installation time:
1–7 days depending on:

• System size

• Roof design

• Wiring distance

• Weather conditions

Our goal is to always complete work neatly, safely, and efficiently.

Parallel Stage: Government Approval for Stage 2 & Stage 3 (During Installation Period)

While installation is going on, SOLAR-MAIT simultaneously processes your government approvals for:

✔️ Stage 2 – Technical Feasibility

✔️ Stage 3 – Plant Commissioning Request

You don’t need to follow up or visit any office — we handle everything.

This parallel submission saves you weeks of waiting time and speeds up subsidy release.

5. Final Inspection & Plant Approval (7–21 Days After Installation)

Once the installation is completed and testing is done, the government DISCOM team visits your home.

They will:

• Inspect the solar plant

• Check inverter, wiring, and safety

• Verify net-meter readiness

• Approve the system for commissioning

SOLAR-MAIT coordinates the entire visit so the process remains smooth and stress-free.

6. Net Meter Installation (Same Day or 1–7 Days)

After approval, the government installs your bi-directional net meter.

This allows:

• Exporting solar units to the grid

• Generating unit-to-unit credit

• Reducing your electricity bill up to 90%

7. Subsidy Release by Government (45–90 Days)

Finally, once the plant is commissioned and verified, the government processes your subsidy amount.

Subsidy disbursement time:
45 to 90 days depending on your state and portal load.

You will receive the subsidy directly into your bank account, as per MNRE guidelines.

Your Solar System Is Now Live!

With installation complete, approvals done, and net-meter active — your rooftop becomes a long-term power generation asset.

You now enjoy:

• Lower electricity bills

• Clean, renewable power

• 25+ years of performance

• Free service & support from SOLAR-MAIT

• Peace of mind with full documentation

Final Summary (Simple Timeline)

Stage	Duration
1. Approval (Stage 1)	1–7 days
2. Material Preparation	1–2 days
3. Material Delivery	1 day
4. Installation	1–7 days
5. Stage 2 & 3 Approval (Parallel)	During installation
6. Final Inspection & Net Meter	7–21 days
7. Subsidy Release	45–90 days

Why Customers Love SOLAR-MAIT

• Fastest installation timelines in the industry

• 25-year warranty on panels & inverters

• End-to-end subsidy & approval support

• Clean, neat & safe installation

• Highly trained engineering team

• Dedicated after-sales support

In the last few years, India has witnessed a massive shift towards solar energy—especially residential rooftop solar. From Delhi to Uttar Pradesh, from Haryana to Rajasthan, homeowners are now actively looking for ways to reduce their electricity bills and become more energy-independent.

But why is 2025 the perfect time to install a rooftop solar system?
Because this year, the combination of government subsidies, rising electricity rates, and improved solar technology makes solar not just an eco-friendly choice—but a smart financial decision.

Let’s break it down in a simple, realistic, and practical way.

Top 7 Benefits of Rooftop Solar (Quick List)

• Save up to 90% on electricity bills

• Subsidy support from central/state government

• Low maintenance cost

• 25+ years warranty

• Increases property value

• Zero pollution, eco-friendly energy

• Energy-independence for your home

Low Maintenance: Just One Cleaning Per Month

Many people think solar panels require a lot of maintenance.
Not true.

Most Indian households clean their rooftops regularly. Cleaning a solar panel is equally simple.

• A soft brush or water spray is enough

• No daily cleaning — just 2–4 times a month

• Inverters require annual servicing

At SOLAR-MAIT, our team provides complete AMC & O&M services, so you don’t have to worry about upkeep.

How Much Area Is Needed for Solar?

This is a common question asked by 90% of homeowners.

Approx. space required:

• 1 kW = 80 sq ft

• 2 kW = 160 sq ft

• 3 kW = 240 sq ft

• 5 kW = 400 sq ft

If you have a medium-sized Indian rooftop, you already have enough space for a 3–5 kW system.

Why 2025-2026 Is the Best Year to Install Solar

Here’s the real truth:

1. Government subsidies may reduce in coming years

The scheme is already receiving huge demand.

2. Electricity prices are not going to drop

Discoms are increasing tariffs across multiple states.

3. Solar technology is at its peak

Panels are more efficient and long-lasting.

4. Financing options are easier than ever

5. Installation timelines are faster with solar agencies like SOLAR-MAIT

So, delaying only increases your electricity bills — nothing else.