How much power does a 40kW solar system generate?

On average, a 40kW solar system generates between 160 to 220 units (kWh) per day, depending on sunlight availability.

What is the area required for a 40kW system?

You generally need about 240 square meters of shadow-free rooftop area for installation.

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Home All Inverters Borehole Quotation Builder Hybrid Inverters Zimbabwe Hybrid Solar Inverters Quotation Builder Solar Quotation Builder Solar Quotations Solar Quotes The 40kW (40kVA) Solar Systems Pricing, Power Output and Returns

By Sona Brands

On 2, 2025

11,990,689 Views

40kW Solar System: The Ultimate Power Solution for Commercial Business

Powering Schools, Hotels & Industries.
A 40kW solar system is a massive energy setup designed to eliminate electricity bills for medium-to-large commercial establishments. Whether you need to combat load shedding or simply cut costs, this guide covers the pricing, specifications, and differences between On-Grid, Off-Grid, and Hybrid configurations.

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Estimated Price List

The cost of a 40kW system varies based on the technology used (Battery vs. No Battery). Below is a comparative guide.

ON-GRID SYSTEM

Grid-Tied (No Battery)

Best for: Cost Savings (Daytime Use)

From $25k+

OFF-GRID SYSTEM

Battery Backup Included

Best for: Remote Areas / Independence

From $38k+

HYBRID SYSTEM

Grid + Battery Storage

Best for: Load Shedding & Savings

From $45k+

*Prices are estimates based on global market averages. Contact Sona Solar Zimbabwe for a precise quote.

Which System Suits You?

On-Grid (Grid-Tied)

Concept: Runs your appliances directly from solar power during the day. It is tied to the ZESA grid.

Pros: Cheapest option (no batteries required). Can use Net Metering to sell excess power back to the utility.

Cons: Shuts down during load shedding (safety requirement).

Ideal For: Factories and offices that operate primarily during the day.

Off-Grid (Standalone)

Concept: Completely independent from the grid. Uses a large battery bank to store power for night use.

Pros: Total energy independence. Immune to power cuts.

Cons: More expensive due to battery costs. No option to sell power to the grid.

Ideal For: Farms, lodges, and remote locations without grid access.

Hybrid (The Best of Both)

Concept: Combines grid connectivity with battery storage. It prioritizes solar, then battery, then grid.

Pros: Provides backup during load shedding AND allows for savings. Can export excess power if permitted.

Cons: Highest initial investment.

Ideal For: Urban businesses and large homes facing frequent power cuts.

Technical Specifications

What actually goes into a 40kW System?

Component Breakdown

Solar Panels: Approx. 100 panels (400W - 550W each).
Mounting Area: Requires approx. 240 sq. meters of shadow-free roof space.
Inverter: 40kVA Three-Phase Inverter (MPPT Technology).
Batteries (Hybrid/Off-Grid): Typically 40-60kWh Lithium or Tall Tubular bank depending on load.
Accessories: ACDB/DCDB boxes, Lightning Arresters, Earthing Kits, 10mm/16mm DC Cables.

Performance Stats

Daily Generation: 160 - 220 Units (kWh).
Monthly Generation: ~4,800 - 6,000 Units.
Annual Generation: ~57,600 Units.
Warranty: Panels (25 Years), Inverter (5 Years), Batteries (5-10 Years).

Frequently Asked Questions

What can a 40kW system run?

This system is powerful enough to run:

Multiple Air Conditioners (ACs)
Commercial Refrigeration units
Water pumps
Complete office lighting and computers for 50+ staff
Petrol pumps and small manufacturing machinery

What is the payback period?

For commercial entities, the Return on Investment (ROI) is typically realized within 3 to 5 years, after which the electricity generated is essentially free.

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Pricing AND Availability Notice

Flexible Pricing:

Our Solar System Prices are regularly updated to reflect the best possible value amid fluctuating import costs and exchange rates. Contact us today for our latest discounted rates!

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Sona Solar Zimbabwe provides premium Solar Panels, Lithium Batteries, Inverters, and complete Solar Systems for homes, businesses, and industries. We also specialize in expert Borehole Drilling Solutions and Solar-Powered Water Systems. Trust our experienced team for professional Solar installations in Harare, Marondera, Mutare, Chitungwiza, and across Zimbabwe, delivering reliable, efficient, and cost-effective renewable energy solutions.