Call for Tender : Installation of Solar PV Systems for residential Resilient Micro Businesses and Charging Centres in Moyamba and Freetown

Job Description

Call for Tender  

Installation of Solar PV Systems for residential Resilient Micro Businesses and Charging Centres in Moyamba  and Freetown  

Introduction  

The Financial Inclusion & Innovation Hub (FIIH) Programme, implemented by The Energy Nexus Network  (TENN) in partnership with Restless Development, is designed to empower 5,000 marginalized women— including women with disabilities, survivors of Gender-Based Violence (GBV), and those in rural and peri urban communities through financial inclusion, livelihood diversification, and access to Decentralized  

Renewable Energy (DRE) solutions. 

The Energy Nexus Network (TENN) in partnership with Restless Development invites proposals from qualified  Solar Energy Enterprises including vendors/solar energy procurement & construction companies. This project  aims to procure and install solar system components for two residential Resilient Micro Businesses, two (2)  charging centres providing services in Moyamba and one (1) residential Resilient Micro Businesses in  Freetown. This initiative focuses on providing sustainable refrigeration and lighting systems and to provide  reliable energy for charging centres providing services for users of mobile phones, power banks,  tablets/laptops and other business services like cinema viewing to address the community’s connectivity and  recreational needs. as outlined in this application 

Targeted Districts: Freetown and Moyamba District.  

Beneficiaries: Three (3) Resilient Micro Businesses and Two (2) charging centres providing services    

 Project Requirements:  

1. Scope of Work:  

∙ Procurement and installation of solar system components tailored for DC Solar refrigeration, charging  services and lighting.  

∙ Detailed technical specifications and designs for the solar PV systems refrigeration and charging units.  ∙ Comprehensive Bill of Materials (BoM) and Bill of Quantity (BoQ), explicitly mentioning the cost of the  refrigerators.  

2. Technical Specifications  

∙ Technical details/specifications for the refrigeration and solar PV design provided in the attached  documentation below.  

∙ Design and components should be suitable for the specific energy needs of the micro businesses,  ensuring sustainability and efficiency

Submission Requirements: Applications should include the following:  

1. Company Profile:  

∙ Legal status and profile of company (e.g company registration, trade license, memorandum of  association, 

∙ Overview of the company, including relevant experience in solar energy projects (at least two (2)  completion certificates for similar work completed between 2023 and 2025. These certificates should  demonstrate successful solar PV system installations of comparable scale and context) ∙ Demonstrated track record of similar projects and references.  

∙ Mandatory submission of the most recent national income tax payment (as recent as March 2024).  2. Technical Proposal:  

∙ Detailed technical design for the solar PV systems, including schematics and technical specifications.  ∙ Certifications and Standards Compliance: All components (PV panels, batteries, controllers, inverters,  cables, refrigerators) must meet international safety and quality standards such as IEC, UL, or  equivalent. Applicants must include product datasheets and evidence of certification in their technical  proposal. 

∙ Preference will be given to systems with high energy efficiency ratings, especially for PV modules  (≥18% efficiency), inverters, and DC refrigerators with energy consumption under 1 kWh/day. These  should be supported by technical datasheets and manufacturer test results. 

∙ Proposed systems must include Minimum warranty period of 5 years for PV modules, 3 years for  batteries, and 2 years for refrigeration appliances. 

∙ Description of the proposed refrigeration and lighting systems, ensuring compatibility with DC solar  power.  

∙ Implementation plan and timeline for procurement and installation.  

∙ Submit a single-line or flow diagram showing all component interconnections. 

∙  

3. Financial Proposal:  

∙ A comprehensive Bill of Materials (BoM) and Bill of Quantity (BoQ) outlining all costs, including the  cost of the refrigerator.  

∙ A detailed breakdown of the total project cost, including labor, transportation, and any additional  expenses.  

4. Sustainability and Maintenance Plan:  

∙ Plan for ongoing maintenance and support for the installed solar systems.  

∙ Strategies to ensure the long-term sustainability and reliability of the solar systems.    

5. Additional Requirements:  

∙ Evidence of the most recent national income tax payment (as recent as March 2024).  ∙ Applicants must submit their most recent audited financial statements (2024) to demonstrate  financial capacity to pre-finance and deliver the proposed systems. 

∙ Ability to provide training on operation and maintenance to local technicians at the installation sites.  ∙ Evidence of the ability to provide maintenance and after-sales services at short notice.    

Evaluation Criteria:  

∙ Quality of solar system components, appliances, and accessories.  

∙ Track record of procuring and deploying solar PV installations in Sierra Leone.  

∙ Ability to provide training on operation and maintenance to local technicians.  

∙ Evidence of recent national income tax payment.  

∙ Ability to provide maintenance and deployment services at short notice.  

∙ Overall quality and completeness of the proposal. 

Publishing Date: 10th April, 2026. 

Deadline for response to call: 1st May, 2026.  

Bid Opening Date: 11th May, 2026. 

Contracting date: 15th May, 2026 

Installation timeline: Within 3 days of contracting 

Point of contact: tennprocurement.joa@gmail.com for all technical inquiries. Closing date for all inquiries: 15th April 2026. 

Method of Submission: 

Please submit responses with all related documents, including both technical and financial offers, in one the  following ways: 

∙ Hard Copy Submission: Addressed to: 

JOA Procurement Committee 

The Energy Nexus Network (TENN) 

30 FAO Drive, Aberdeen 

Freetown, Sierra Leone 

∙ Soft Copy Submission (PDF Format): 

Send via email to: tennprocurement.joa@gmail.com  

TENN looks forward to receiving competitive bids that meet these requirements and contribute to sustainable,  community-driven development. 

This call for tender invites qualified contractors to be part of an impactful initiative that integrates renewable  energy with sustainable infrastructure development. For further details, please reach out via the provided contact  information. 

Note: Please note that TENN fully complies with all regulations of the National Revenue Authority (NRA)  mandates including its withholding income taxes.  

Technical Specification  

Load details–DC System

Solar System Design 

Max Load that can be connected 270W  

Max units of energy(kWh)usage per day 1.7kWh  

LOLP 0.53% 

Days of Autonomy 2 days

Assumptions 

• Sunshine hours: 5hrs ● Load efficiency: 85% ● DOD: 80%

Considerations  

1. 4 rooms with a corridor and a storage room or 6 rooms 
2. 1 sitting room with a light and a mobile charging unit 
3. Refrigerators in any of the rooms 
4. Instead of the USB port, a socket plugs should be provided for mobile charging. 

Bill of Materials

Notes:  

• The total solar system capacity is 1 – 2.0 kWp 
• Addition of extra loads will not have been countered in the system design and connecting beyond the mentioned capacity will result in system failure. 
• For placing panels–need approx.50sq.ft shadow-free area facing south. 
• The battery room should be ventilated properly along with passive/active cooling methods. ● Roof Structure: Tin Sheet.

About TENN:  

The Energy Nexus Network (TENN) is a regional knowledge and facilitation hub for scaling  decentralized renewable energy solutions using sustainable energy (SDG7) as a critical catalyst and  entry point to improve major development outcomes. 

The mission of TENN is to build resilient ecosystems around decentralized renewable energy. TENN  supports actions on the energy ecosystem (i.e., enabling conditions/processes) that make the  implementation of DRE solutions feasible, sustainable, and scalable. TENN works as an aggregator,  enabling dialogue across sectors and facilitating business, policy, and technical engagements across  various scales to strengthen inter-sector linkages at the energy nexus with health, climate action, and  Agri-value chain to improve social outcomes and alleviate poverty. 

TENN provides advisory support to strengthen the institutional capacities of energy sector agencies,  especially local institutions, and the civil society to address energy and energy-enabling development  priorities in a coherent way. TENN is initially focusing on building programs in Energy-Health Care Nexus and Energy-Livelihood Nexus to improve social and development outcomes. 

Scope of operations:  

• TENN is working with local and international partners to develop and strengthen local  ecosystems for sustainable solutions around decentralized renewable energy access for  underserved populations. 
• TENN is serving as the regional energy ecosystem hub for innovating and scaling sustainable  decentralized renewable energy solutions in rural areas through the GlobalSDG7Hubs,an initiative of the SELCO Foundation.
• TENN is championing initiatives that build strong ecosystems around energy access solutions  in productive use applications for development as an anchor organization. The larger goal is  to establish a strong network of local champion stakeholders across enterprises, innovators,  sectoral champions in health, education, livelihoods, financing institutes, and policy makers  who would help in unlocking energy access solutions for the poor in the region. 
• TENN has positioned itself strategically in the West Africa region as an anchor organization  and facilitation mechanism to attract international partners to design and implement  programs/initiatives that have a sustained impact in the region. 
• TENN has undertaken several needs assessments to identify energy entry points, designed  and launched several pilot projects on Agri-values chains, healthcare, and livelihoods  (especially small businesses targeting women) to improve last-mile energy services and  solutions in remote rural areas.