Expression of Interest for Solar 30kva Solar Supply and Installation at Girwa Radio

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)