Commercial 40KW Rooftop Solar System
Synergy Solar is a leading installer and supplier of 40KW rooftop solar systems for commercial use in India. Designed for factories, offices, warehouses, hospitals, schools, hotels, and large commercial complexes, our systems help businesses cut electricity bills by up to 80%, reduce reliance on the grid, and enjoy 25+ years of uninterrupted clean energy.
With the ability to power lighting, computers, heavy machinery, servers, refrigeration units, water pumps, and 20+ air conditioners, a 40KW rooftop solar system is ideal for large commercial enterprises and institutions. Synergy Solar manages the complete installation process, including system design, supply, subsidy assistance, and after-sales service, ensuring a seamless and high-performance solar solution.
Who Should Choose a 40KW Rooftop Solar System?
A 40KW commercial rooftop solar system is best suited for:
Large businesses with monthly electricity bills of ₹2–3 lakh
Factories, offices, warehouses, hotels, and hospitals running multiple ACs and heavy machinery
Organizations aiming to cut costs and improve sustainability credentials
Commercial rooftops with 3,000–3,500 sq. ft. of space available
Enterprises seeking high ROI and long-term energy independence
Benefits of a 40KW Rooftop Solar System
Cost savings
Reduces electricity bills by 70–80%
Eco-friendly
Saves 55–60 tons of CO₂ annually
Low maintenance
Only panel cleaning and routine checks needed
Enhanced Property Value
Improves sustainability ratings and commercial asset value
Net Metering Advantage
Export surplus electricity to the grid to offset bills
Reliable Energy Supply
25+ year of clean power with minimal maintenance
Why Choose Synergy Solar?
MNRE-approved EPC company with 1000+ commercial installations
Reliable after-sales support with AMC option
Complete 40KW commercial solar system installation including design, supply, subsidy, and net metering approvals
Expert guidance and transparent pricing
BIS-certified solar panels and inverters with long warranties
Energy Generation & Savings
A 40KW commercial rooftop solar system generates:
- Daily Output: 160–180 units (kWh)
- Monthly Output: 4,800–5,400 units
- Annual Output: 58,000–65,000 units
Annual Savings: ₹4–5 lakh (based on tariff ₹7–₹8 per unit)
Carbon Reduction: 55–60 tons per year (equivalent to planting ~3,000 trees annually)
Roof Area Requirement
- Space Needed: 3,000–3,500 sq. ft. shadow-free rooftop
- Orientation: South-facing panels with tilt matching latitude
- Roof Type: Concrete, metal sheet, or tiled rooftops
Applications of Solar Dryers
Warehouses & Storage Facilities
Provides reliable electricity for lighting, refrigeration, and climate control.
Hospitals & Healthcare Institutions
Ensures uninterrupted power for medical equipment, ACs, and emergency systems.
Large Offices & Corporate Buildings –
Powers lighting, computers, servers, and air conditioning units efficiently.
Educational Institutions
Powers classrooms, labs, hostels, and administrative offices with sustainable energy.
Commercial Complexes & Malls
Manages electricity demand for lighting, elevators, HVAC systems, and shops.
Cost of a 40KW Rooftop Solar System in India
|
System Type |
Price Range |
Best For |
| On-Grid | 18,00,000 – 21,00,000 | Commercial units with reliable grid + net metering |
| Off-Grid | 22,00,000 – 25,00,000 | Areas with frequent power cuts |
| Hybrid | 24,00,000 – 27,00,000 | Backup required with grid connection |
With net metering, accelerated depreciation, and GST input credit, the effective cost reduces, providing faster ROI.
Technical Specifications
| Specification | Details |
| System Size | 40KW |
| Solar Panels | 85–95 × 400–550W high-efficiency modules |
| Inverter | 40KW on-grid or hybrid |
| Daily Output | 160–180 units |
| Annual Output | 58,000–65,000 units |
| Roof Area Required | 3,000–3,500 sq. ft. |
| Lifespan | Panels: 25 years; Inverter: 10–12 years |
Components of a 40KW Rooftop Solar System
- Solar Panels – 85–95 high-efficiency modules (400–550W each)
- Inverter – 40KW on-grid or hybrid inverter
- Mounting Structure – Durable aluminium/GI frames for rooftop installation
- Wiring & Safety Protections – Junction boxes, fuses, SPD, earthing kit
- Battery (Optional) – Lithium-ion or lead-acid for hybrid/off-grid systems
Installation Process
- Site Survey – Assess rooftop space, shading, and structural capacity
- System Design & Approvals – Custom layout and DISCOM approval
- Installation – Mounting panels, wiring, inverter integration, and testing
- Commissioning & Handover – Final checks and system handover
Government Incentives for Commercial Solar
- Residential subsidies apply only up to 10KW.
- Commercial 40KW systems benefit from:
o Accelerated Depreciation (40%) for tax savings
o Net Metering to offset electricity bills
o State-specific incentives (varies by DISCOM)
o GST input credit
Payback Period & ROI
After payback, businesses enjoy 20+ years of low-cost or almost free electricity.
- Investment: ₹18–27 lakh
- Annual Savings: ₹4–5 lakh
- Payback Period: 4–5 years
- Lifetime ROI: 6–8× over 25 years
Maintenance of a 40KW Rooftop Solar System
Proper maintenance ensures maximum efficiency and long life for your solar system:
- Panel Cleaning – Panels should be cleaned periodically to remove dust, leaves, or bird droppings that reduce efficiency.
- Inverter Check – The inverter should be inspected for error codes, loose connections, and optimal operation.
- Wiring & Safety Inspection – Regularly check junction boxes, fuses, earthing, and SPDs for safety.
- Battery Maintenance (if hybrid/off-grid) – Check battery charge, voltage, and electrolyte levels for lead-acid or lithium-ion batteries.
- Performance Monitoring – Use monitoring systems to track daily and monthly energy generation.
FAQs – 40KW Rooftop Solar System
How does a 40KW solar system impact commercial property value?
It increases the property’s sustainability rating and resale value while showcasing a commitment to renewable energy.
How long does installation take?
The complete installation process usually takes 3–4 weeks, including survey, approvals, mounting, and commissioning.
Can a 40KW system run heavy machinery?
Yes, it can support multiple ACs, water pumps, refrigeration units, computers, and medium industrial machinery.
Are subsidies available for 40KW commercial systems?
Residential subsidies only apply up to 10KW. For 40KW commercial systems, businesses benefit from accelerated depreciation, net metering, GST input credit, and state incentives.
How much electricity does a 40KW system generate?
Around 160–180 units per day, 4,800–5,400 units per month, and 58,000–65,000 units annually.
Who is a trusted installer and supplier for 40KW commercial solar?
Synergy Solar is an MNRE-approved EPC company and a trusted installer and supplier of 40KW rooftop solar systems for commercial use in India.