Expression of Interest for Solar 30kva Solar Supply and Installation
Posted:
Tender Reference No: GR/ITT/01/2026
Procuring Entity:
Girwa Radio 99.5FM is a community-based radio station serving the Nyanza Region. To enhance sustainability, reduce operational costs, and ensure uninterrupted broadcasting, the station intends to install a 30kW solar photovoltaic (PV) system with battery storage.
The system will power:
- Studio equipment
- Transmitters (including 1000W transmitter)
- Office equipment
- Lighting
- IT infrastructure
- Cooling and ventilation systems
Scope of Work
The successful bidder shall:
- Conduct site assessment (if required).
- Design a complete 30kW solar system.
- Supply all equipment.
- Deliver to Girwa Radio premises.
- Install and commission the system.
- Provide training to technical staff.
- Provide warranty and after-sales support.
Technical Specifications
Solar PV Capacity
- Minimum system size: 30kWp
- Tier 1 solar panels
- Minimum panel efficiency: 20%
- 25-year performance warranty
Inverter System
- Hybrid inverter system
- 3-phase preferred
- Total inverter capacity: 30kW (or parallel configuration)
- Remote monitoring capability
- Compatible with generator & grid
Battery Storage
- Lithium-ion batteries (LiFePO4 preferred)
- Minimum usable storage: 60kWh (or as per load analysis)
- Minimum 6000 cycles
- 5–10 year warranty
Mounting Structure
- Aluminum or galvanized steel
- Wind resistance ≥ 120 km/h
- Roof or ground-mounted depending on sit
Protection & Safety
- DC and AC isolators
- Surge protection devices (SPD)
- Earthing system
- Lightning arrestor
- Circuit breakers
Cabling
- UV-resistant DC cables
- Armored AC cables
- Proper cable trunking
Eligibility Requirements
Bidders must provide:
- Certificate of Incorporation
- Valid KRA PIN
- Valid Tax Compliance Certificate
- NCA/EPRA compliance (if applicable)
- At least 3 similar projects (≥20kW)
- Manufacturer authorization letter
- Audited financial statements (last 2 years)
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