30KW Rooftop Solar System for Commercial Use in India
Synergy Solar, an MNRE-approved EPC company, is a trusted installer and supplier of 30KW rooftop solar systems for commercial use in India. Our turnkey solutions are designed for factories, offices, warehouses, schools, hospitals, hotels, and commercial complexes, helping businesses reduce reliance on grid electricity, cut power bills by 70–80%, and enjoy 25+ years of clean, sustainable energy.
With the ability to power lighting, computers, heavy machinery, servers, refrigeration units, water pumps, and 15–18 air conditioners, a 30KW rooftop solar system is ideal for medium-to-large 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 30KW Rooftop Solar System?
A 30KW commercial rooftop solar system is best suited for:
Large businesses with monthly electricity bills of ₹1.5–2.5 lakh
Factories, offices, warehouses, hotels, and hospitals running multiple ACs and heavy machinery
Organizations aiming to cut costs and improve sustainability credentials
Enterprises seeking high ROI and long-term energy independence
Commercial rooftops with 2,500–3,000 sq. ft. of space available
Benefits of a 30KW Rooftop Solar System
Cost savings
Reduce electricity bills by 70–80%
Eco-friendly
Save 40–50 tons of CO₂ annually
Low maintenance
Only cleaning and routine check-ups needed
Enhanced Property Value
Boosts sustainability rating and commercial asset value
Net Metering Advantage
Export surplus power to the grid to offset bills
Reliable Energy Supply
25+ years of clean power with minimal maintenance
Why Choose Synergy Solar?
MNRE-approved EPC company with 1000+ commercial installations
Reliable after-sales support with AMC options
Complete 25–30KW commercial solar system installation including design, subsidy, and net metering approvals
Expert guidance and transparent pricing
BIS-certified solar panels and inverters with long warranties
Energy Generation & Savings
A 30KW commercial rooftop solar system generates:
- Daily Output: 120–140 units (kWh)
- Monthly Output: 3,600–4,200 units
- Annual Output: 43,000–50,000 units
Annual Savings: ₹3–4 lakh (based on tariff ₹7–₹8 per unit)
Carbon Reduction: 40–50 tons per year (equivalent to planting ~2,500 trees annually)
Roof Area Requirement
A 30KW rooftop solar system needs about 2,500–3,000 sq. ft. of shadow-free south-facing rooftop space, suitable for concrete, metal sheet, or tiled roofs.
- Space Needed: 2,500–3,000 sq. ft. shadow-free rooftop
- Orientation: South-facing panels with tilt matching latitude
- Roof Type: Concrete, metal sheet, or tiled roofs
Cost of a 30KW Rooftop Solar System in India
|
System Type |
Price Range |
Best For |
| On-Grid | 14,00,000 – 16,50,000 | Commercial units with reliable grid + net metering |
| Off-Grid | 17,00,000 – 19,50,000 | Areas with frequent power cuts |
| Hybrid | 18,50,000 – 21,00,000 | Backup required with grid connection |
With net metering and accelerated depreciation, the effective cost reduces, providing faster ROI.
Technical Specifications
| Specification | Details |
| System Size | 30KW |
| Solar Panels | 65–75 × 400–550W high-efficiency modules |
| Inverter | 30KW on-grid or hybrid |
| Daily Output | 120–140 units |
| Annual Output | 43,000–50,000 units |
| Roof Area Required | 2,500–3,000 sq. ft. |
| Lifespan | Panels: 25 years; Inverter: 10–12 years |
Components of a 30KW Rooftop Solar System
- Solar Panels – 65–75 high-efficiency modules (400–550W each)
- Inverter – 30KW on-grid or hybrid inverter
- Mounting Structure – Strong aluminium/GI frames for rooftop installation
- Wiring & 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 load capacity
- System Design & Approvals – Custom system layout and DISCOM approvals
- Installation – Mounting panels, wiring, and inverter integration
- Testing & Commissioning – System verification and handover
Government Incentives for Commercial Solar
- Residential subsidies only apply up to 10KW.
- Commercial 30KW systems benefit from:
• Accelerated Depreciation (40%)
• Net Metering to reduce electricity bills
• State-specific incentives (varies by DISCOM)
o GST input credit for businesses
Payback Period & ROI
- Investment: ₹14–21 lakh
- Annual Savings: ₹3–4 lakh
- Payback Period: 4–5 years
- Lifetime ROI: 6–8× over 25 years
After payback, your commercial building enjoys 20+ years of almost free electricity.
FAQs – 30KW Rooftop Solar System
Can a 30KW system run heavy machinery?
Yes, it can support multiple ACs, refrigeration, computers, water pumps, and medium industrial machinery.
How much rooftop space is required for a 30KW solar system?
Around 2,500–3,000 sq. ft. of shadow-free space is needed. Synergy Solar can assess and design the optimal layout for your commercial rooftop.
How much electricity does a 30KW rooftop solar system generate?
A 30KW system generates 120–140 units per day, 3,600–4,200 units per month, and 43,000–50,000 units annually, depending on sunlight, rooftop orientation, and shading.
Does a 30KW commercial solar system support net metering?
Yes. A 30KW rooftop solar system can connect to the grid via net metering, allowing you to export surplus electricity and reduce monthly bills.
How long does the installation take for a 30KW rooftop solar system?
The complete installation process, including site survey, approvals, mounting, and commissioning, usually takes 3–4 weeks.