Installing rooftop solar is a big financial decision, and choosing the right solar company in Karnataka can decide your system performance, subsidy approval speed, after-sales support, and long-term savings.
In this detailed guide, we list the best rooftop solar companies in Karnataka (2026) based on:
✔ Government approval
✔ Installation quality
✔ Warranty support
✔ Customer reviews
✔ Pricing transparency
✔ Subsidy handling experience
Whether you live in Bangalore, Mysuru, Mangaluru, Hubballi, Dharwad, Belagavi, Tumakuru or Ballari, this guide will help you select the most reliable solar installer for your home.
Why Choosing the Right Solar Company Matters in Karnataka
Choosing a poor-quality installer can result in:
- Delayed subsidy payments
- Wrong net metering process
- Poor generation
- Frequent inverter failures
- Zero after-sales support
A professional solar EPC company ensures:
- MNRE + BESCOM compliant installation
- Faster subsidy processing
- Correct system sizing
- Maximum electricity savings
Top 10 Best Rooftop Solar Companies in Karnataka (2026)
1️⃣ Tata Power Solar – Karnataka
⭐ Rating: 4.8 / 5
📍 Cities: Bangalore, Mysuru, Hubli, Mangaluru
Why Choose Tata Power Solar?
- India’s most trusted solar brand
- Premium panel + inverter quality
- Excellent warranty & service
- Government-compliant installation
👉 Best for high-end residential projects
2️⃣ Loom Solar Karnataka
⭐ Rating: 4.7 / 5
📍 Cities: Bangalore, Mysuru
- High efficiency solar panels
- Budget friendly
- Fast installation
👉 Best for budget rooftop solar solutions
3️⃣ Fourth Partner Energy – Karnataka
⭐ Rating: 4.6 / 5
📍 Cities: Bangalore, Hubballi, Belagavi
- Strong EPC background
- Large project experience
- Excellent subsidy handling
👉 Best for large residential + apartments
4️⃣ CleanMax Solar Karnataka
⭐ Rating: 4.5 / 5
📍 Cities: Bangalore, Mangaluru
- Premium engineering
- Long warranty support
👉 Best for premium villa & gated community projects
5️⃣ Amplus Solar Karnataka
⭐ Rating: 4.5 / 5
📍 Cities: Bangalore, Mysuru
- Corporate-grade execution
- Strong design team
👉 Best for high load residential homes
6️⃣ Orb Energy Karnataka
⭐ Rating: 4.6 / 5
📍 Cities: Mysuru, Hubli, Dharwad
- Strong Karnataka rural presence
- Affordable solutions
👉 Best for tier-2 & tier-3 cities
7️⃣ Havells Solar Solutions Karnataka
⭐ Rating: 4.4 / 5
📍 Cities: Bangalore
- Branded electrical components
- High safety standards
8️⃣ Vikram Solar Channel Partners – Karnataka
⭐ Rating: 4.5 / 5
📍 Cities: Bangalore
- Tier-1 solar panel manufacturer
- Reliable installation partners
9️⃣ Local MNRE Approved EPC Partners
⭐ Rating: 4.2 / 5
Government-approved local EPC companies often offer:
- Lower cost
- Faster site visits
- Local service support
👉 Best option for affordable rooftop solar
🔟 Verified Local Installers (Our Partner Network)
We connect you with verified MNRE + DISCOM approved installers across Karnataka offering:
✔ Best pricing
✔ Quick installation
✔ Subsidy handling
✔ Net metering support
👉 Get Free Quote Here →
🔗 https://solarkarnataka.com/request-free-solar-quote-in-karnataka/
Rooftop Solar Installation Cost in Karnataka (2026)
| System Size | Approx Cost | Monthly Savings |
|---|---|---|
| 1kW | ₹65,000 – ₹75,000 | ₹1,200 – ₹1,500 |
| 2kW | ₹1.2L – ₹1.5L | ₹2,400 – ₹3,000 |
| 3kW | ₹1.8L – ₹2.2L | ₹3,500 – ₹4,500 |
| 5kW | ₹2.9L – ₹3.6L | ₹6,000 – ₹7,500 |
👉 Check exact city-wise cost →
🔗 https://solarkarnataka.com/solar-cost-in-karnataka-1kw-to-10kw/
Government Subsidy Available in Karnataka (2026)
Under PM Surya Ghar Muft Bijli Yojana, homeowners get:
- 30% subsidy on first 2kW
- 20% subsidy on next 1kW
👉 Check full subsidy guide →
🔗 https://solarkarnataka.com/pm-surya-ghar-muft-bijli-yojana-karnataka-complete-guide/
How to Choose the Best Solar Company in Karnataka?
Before selecting any installer, check:
✔ MNRE approval
✔ DISCOM experience (BESCOM / MESCOM / HESCOM / CESC)
✔ Warranty on panels (25 years)
✔ Inverter warranty (5–10 years)
✔ Subsidy handling support
City-wise Best Rooftop Solar Companies in Karnataka
Best Solar Companies in Bangalore
- Tata Power Solar
- Loom Solar
- CleanMax Solar
Best Solar Companies in Mysuru
- Orb Energy
- Tata Power Solar
- Local MNRE EPC
Best Solar Companies in Hubballi – Dharwad
- Fourth Partner Energy
- Orb Energy
- Local DISCOM EPC
Best Solar Companies in Mangaluru
- CleanMax Solar
- Amplus Solar
- Local MNRE EPC
Rooftop Solar Application Process in Karnataka
Full step-by-step guide:
🔗 https://solarkarnataka.com/bescom-rooftop-solar-application-process-step-by-step-guide-for-karnataka-2026/
Why Get Solar Quote From SolarKarnataka?
We help you connect with verified, government-approved solar installers across Karnataka.
✔ Best price comparison
✔ Free site inspection
✔ Subsidy processing
✔ Net metering support
✔ Zero obligation quote
👉 Request Free Solar Quote Now →
🔗 https://solarkarnataka.com/request-free-solar-quote-in-karnataka/
Frequently Asked Questions (FAQs)
Which is the best rooftop solar company in Karnataka?
Tata Power Solar, Loom Solar, Orb Energy and verified MNRE EPC partners are the best.
Which solar panel is best for Karnataka climate?
Mono PERC and TOPCon panels perform best in Karnataka weather.
How long does installation take?
Usually 7–15 days including subsidy processing.
Is subsidy guaranteed?
Yes, if installed through MNRE + DISCOM approved vendors.
Final Verdict – Which Solar Company Should You Choose?
For:
- Premium quality → Tata Power Solar
- Budget friendly → Loom Solar / Local EPC
- Fast installation + subsidy handling → Verified MNRE partners
👉 Best Choice:
Compare 3 verified quotes and select the best →
🔗 https://solarkarnataka.com/request-free-solar-quote-in-karnataka/
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