Power your home with the sun.
HELIORA™ is the premium rooftop solar brand by SunEngy Solutions, serving Kolkata and West Bengal — engineered installations, ALMM-approved modules, and full PM Surya Ghar subsidy support so you save from day one.
3 kW On-Grid System
- System cost (incl. GST)₹2,37,402
- Govt. subsidy− ₹78,000
- Annual savings₹29,568
- Payback≈ 5.5 years
- 25-yr total ROI357%
A rooftop solar system isn't just an energy asset — it's an investment in your family's future
We combine cutting-edge technology, premium components, expert engineering and exceptional after-sales support.
Engineering-led Design
Customised system design with shadow analysis and generation optimisation for maximum yield.
High-Efficiency Modules
ALMM-approved, DCR-certified mono PERC modules with a 25-year performance warranty.
MNRE Compliant
Every install follows MNRE, BIS, IEC and DISCOM standards — audit-ready documentation.
Subsidy Assistance
Complete PM Surya Ghar registration, net metering and documentation support.
Remote Monitoring
Real-time generation tracking, fault alerts and digital performance dashboards.
Long-Term Support
Dedicated project coordinator and structured AMC for dependable, lasting performance.
Cut your bills by up to 90% with clean, reliable power
- Reduce electricity bills — use solar by day, offset the grid with net-metering credits.
- No battery costs with grid-tie systems — lower upfront and maintenance spend.
- The grid acts as backup during low solar generation.
- Increase your property value and protect against rising tariffs.
- Clean, green energy that reduces your carbon footprint.
What a 3 kW system delivers
- Annual generation4,928 kWh
- Tariff offset₹6.00 / kWh
- Net annual savings₹27,568
- 25-year savings₹6,89,200
- Annual ROI18.3% p.a.
From homes to megawatt EPC plants
SunEngy Solutions delivers renewable energy, turnkey EPC, electrical controls and intelligent software.
Renewable Energy Solutions
Grid-tie rooftop solar for residential, housing society and commercial sites — engineered for maximum generation and fast ROI.
EPC Turnkey Project Execution
End-to-end engineering, procurement and construction. From 2 kW homes to 1 MW EPC plants, delivered with precision.
Electrical Instrumentation & Controls
Switchgear, APFC panels, transformers, SCADA automation and metering solutions for industry.
AI & Software Development
Remote monitoring, performance analytics and intelligent automation software for energy assets.
Our solar services across Kolkata & West Bengal
Dedicated solar solutions for every property type and scale.
Residential Rooftop Solar
Home solar systems across Kolkata & West Bengal.
Commercial Solar EPC
Turnkey commercial rooftop solar for businesses.
Industrial Solar Plant
MW-scale industrial solar power plant EPC.
Solar Panel Installation
Certified installation for every roof type.
Solar Consultation
Free, no-obligation solar advice.
EPC (Engineering, Procurement & Construction)
Turnkey EPC from 2 kW to 1 MW+.
PM Surya Ghar Yojana
Up to ₹78,000 government subsidy.
Claim up to ₹78,000 under PM Surya Ghar
As per prevailing Government of India guidelines for residential households.
Up to 2 kW
per kW
Additional 1 kW
for the 3rd kW
Total up to 3 kW
maximum subsidy
A proven track record across West Bengal & beyond
Uttar Banga Krishi Vishwavidyalaya
📍 West Bengal
390 kW INC installation.
169 Madrasahs Programme
📍 West Bengal
Installation of 1 kW systems across 169 Madrasahs.
Mansuka High School
📍 Ghatal, Paschim Medinipur
50 kW INC installation.
Indo-Bangladesh Border Project
📍 Indo-Bangladesh Border
Installation of 1 kW systems at the border.
Asutosh & Jogamaya Devi College
📍 Kolkata
50 kW INC installation.
JUSCO Domestic Solar
📍 Jamshedpur (2016)
Fast-track domestic solar EPC.
Rooftop solar in Kolkata & West Bengal — common questions
Who is the best solar company in Kolkata?
HELIORA by SunEngy Solutions is a premium rooftop solar company with 12+ years of solar EPC experience, ALMM-approved components and full PM Surya Ghar subsidy support for Kolkata & West Bengal households and businesses.
What is the solar subsidy in West Bengal?
Under PM Surya Ghar: Muft Bijli Yojana, eligible residential households can claim up to ₹78,000 government subsidy. See our full PM Surya Ghar subsidy guide.
Does HELIORA install commercial & industrial solar too?
Yes — alongside residential rooftop solar, we deliver Commercial Solar EPC and Industrial Solar Plant projects across West Bengal.
How do I get a free solar quote in Kolkata?
Use our instant online calculator or book a free solar consultation with our advisors.