Expressions of Interest ( EOI )
Solomon Islands Electricity Authority T/A Solomon Power aims to provide a safe, reliable, affordable and accessible supply of electricity to the Solomon Islands. Our vision is about energising our Nation. We are working with our stakeholders towards Nation building through increasing the footprint of the electricity network and making electricity accessible and affordable to more people in the Solomon Islands.
PV System Cleaning Services - Expression of Interest
Solomon Power invites qualified contractors to submit Expressions of Interest for annual PV panel cleaning services across our Honiara facilities.
EOI Reference No.: SP-PVHON-CLEAN-2025
Location: Honiara Network
Project Title: Annual PV System Cleaning Services for Honiara System
Submission Deadline: 28th November 2025
Project Background
The Solomon Islands Electricity Authority (SIEA) trading as Solomon Power (SP) is a vertically integrated state-owned enterprise that owns, maintains and operates the national electricity grid in the Solomon Islands.
In 2016, Solomon Power installed and commissioned its first 1 MW PV plant at Henderson, East Honiara as part its renewable energy commitment to reduce dependency on diesel fuel for generating electricity.
With the increasing generation from PV systems within SP network in Honiara, including addition of newly installed 2 MW and 220 kW plants it is important that proper maintenance be carried out on the plants to ensure system performance is well maintaining to achieve maximum output annually.
At present, old PV systems are not performing to desire output due to dust, dirt and debris causing inefficiency leading to under performance of the plants. This advert therefore seeks qualified firms to be engaged for the annual Maintenance of the PV plants in Honiara Network.
Project Details
Solomon Power invites qualified contractors to submit Expressions of Interest for annual PV panel cleaning services across our Honiara facilities.
Objective
The objective of this assignment is to provide an annual preventative maintenance to ensure system remains operational at its maximum desire output for different plants in Honiara network.
Contract Duration
The assignment is for one year. The contractor shall clean each PV plant once during the term and SP may request additional cleaning if require.
Evaluation Method
A Contractor will be selected in accordance with the Quality and Cost-Based Selection (QCBS) method set out in the Solomon Power Tendering and Procurement policies and Manual.
Cleaning Requirements
Use of clean, demineralized water, non-abrasive tools, and methods that prevent damage to panels.
PV Systems for Cleaning
| PV Plant | Total Panel Area (m²) |
|---|---|
| 1MW Henderson PV Plant | 9,389.17 |
| 2MW Henderson PV Plant | 15,789.99 |
| 50kW Ranadi Office Car Park PV System | 567.77 |
| 220kW Rooftop System at Solomon Power Ranadi Office | 1,091.65 |
Download Documents
Access all necessary documents for your Expression of Interest submission
Contact Information
Contact Person
Mr. Wesley Ramo
wesley.ramo@solomonpower.com.sb
sp.solarcleaning@solomonpower.com.sb
Phone
+677 7506261
Application Submission
Interested eligible firm or consultant can obtain further information at the address below during office hours 8 am to 4:30 pm on business days, Monday to Friday.
Interested parties are required to submit:
- A completed Expression of Interest (EOI) Form.
- A quotation for the cleaning services
Expressions of interest must be delivered in a written form by e-mail to wesley.ramo@solomonpower.com.sb and sp.solarcleaning@solomonpower.com.sb by 11 am on 28th November 2025, Solomon Islands time.
SIEA Head Office
Attention: Delilah Homelo, Chief Executive Officer
P.O. Box 6, Ranadi, Honiara, Solomon Islands Telephone: +677 42480
Mobile: +677 7131914
E-mail: <Delilah.Homelo@solomonpower.com.sb