Services - Tess Solar International Limited

Our Services

At Tess Solar International Ltd, we deliver reliable, innovative, and sustainable energy and engineering solutions tailored to meet Nigeria’s growing infrastructure and power needs.

We Make Going Solar Simple.

Hassle-Free Solar Solutions for Every Home and Business.

Book a Free Consultation

Talk to our solar experts to assess your energy needs and goals.

Get a Custom Solar Plan

We design the perfect system tailored to your home or business.

Professional Installation

Our certified engineers handle setup quickly and safely.

Enjoy Clean, Reliable Power

Start saving money while enjoying uninterrupted electricity.

Our expertise spans multiple sectors — ensuring every project is handled with precision, safety, and excellence.

Solar Energy Consultancy & Equipment Sales

We provide expert guidance and supply premium DONGGUAN RUIHUI Solar panels and inverters, ensuring maximum performance, efficiency, and durability for homes, offices, and industries.

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Lithium Battery Solutions

Our advanced lithium battery systems guarantee uninterrupted power by storing solar energy for use day and night — reducing your dependence on the national grid.

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Energy Monitoring & Interpretation

With our cutting-edge transmitter boards, you can easily track and manage your energy usage, helping you optimize performance and cut costs effectively.

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Construction & Maintenance Services

Our team delivers civil, electrical, and mechanical construction solutions, supported by regular maintenance to keep systems performing at their best.

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Storage Tank Construction & Tank Farm Facilities

Tess Solar handles design, fabrication, and installation of storage tanks, meeting international safety and environmental standards.

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Water Purification Engineering

We deliver modern water treatment and purification systems, providing clean, safe water for domestic, commercial, and industrial use.

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Engineering Auditing & Integrity Testing

Our engineering auditing services ensure all installations and systems comply with quality, safety, and operational standards.

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Environmental Impact Assessment (EIA)

We assess the environmental implications of projects, helping organizations meet compliance standards and promote sustainability.

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Project & Facility Management

From conception to completion, we provide comprehensive project management, ensuring efficiency, cost control, and successful delivery.

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Our Products

Reliable, Durable, and Built for Nigeria’s Power Needs

At Tess Solar International Ltd, we deliver premium solar products designed for consistent energy, long lifespan, and maximum efficiency — powered by DONGGUAN RUIHUI PHOTOELECTRIC, a global leader in solar technology.

5kWh Lithium Battery

Power your home or business with our durable 5kWh Lithium Battery, built for efficiency and longevity. Designed to store clean solar energy, it delivers stable power day and night — reducing grid dependence and electricity costs. Perfect for residential and small commercial setups.

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10kWh Lithium Battery

Our 10kWh Lithium Battery is engineered for high performance and reliability. It offers ample storage capacity to power larger homes and commercial spaces, ensuring uninterrupted energy supply and long battery life. Experience greater independence, efficiency, and savings with Tess Solar’s trusted energy solution.

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15kWh Lithium Battery

The 15kWh Lithium Battery delivers powerful energy storage for heavy-duty residential and industrial use. Built with advanced lithium technology, it ensures uninterrupted power for longer hours, superior efficiency, and extended lifespan — making it ideal for businesses that require constant, reliable energy.