Tender Details

WET CLEANING OF SOLAR PANELS INSTALLED VERTICALLY ON ELEVATED STORAGE RESERVOIRS (ERSs) AT MULTIPLE LOCATIONS

Tender Number: 7/2025/EWA (2025-126-PIP-EPD)

PA Ref Number: 2025-126-PIP-EPD

Tender Description

The Electricity & Water Authority (EWA) invites qualified and experienced contractors to submit bids for the provision of professional cleaning services for solar photovoltaic (PV) panels installed at six (6) EWA Towers across the Kingdom of Bahrain. The objective of this tender is to ensure the panels maintain optimal performance and efficiency by reducing dust, dirt, and environmental deposits that may hinder energy generation.

Issued by
Electricity and Water Authority
Internal/External
Internal
Invitation Method
Public (LOCAL GCC)
Initial Bond
BD 500
Bid Validity / Initial Bond Validity Period (Days)
180 days
Tender Fees
BD 15
Contract Duration
1 Year
Is Alternate Bid Allowed
Yes
Publish Date
Thursday, 23 October 2025
Purchase Before
Wednesday, 29 October 2025
Closing Date
Tuesday, 11 November 2025
Opening Date
Wednesday, 12 November 2025

Additional Notes

The Electricity & Water Authority (EWA) invites qualified and experienced contractors to submit bids for the provision of professional cleaning services for solar photovoltaic(PV) panels installed at six (6) EWA Towers across the Kingdom of Bahrain. The objective of this tender is to ensure the panels maintain optimal performance and efficiency by reducing dust, dirt, and environmental deposits that may hinder energy generation. 

The scope of work includes, but is not limited to: 

 Regular scheduled cleaning of PV panels using approved wet cleaning methods suitable for vertical and rooftop installations. 
 Use of demineralized water and non-abrasive tools to prevent damage to panel surfaces. 
 Ensuring safety compliance in accordance with local regulations and international best practices for working at height. 
 Provision of all manpower, equipment, and protective gear necessary to execute the works.
 Detailed reporting on completed services, including frequency, site conditions, and performance observations.

The contract will cover a defined period with possible renewal based on performance. Interested contractors must demonstrate proven experience in solar PV cleaning, qualified staff, and compliance with EWA’s health, safety, and environmental requirements. 
,

تدعو هيئة الكهرباء والماء المقاولين المؤهلين وذوي الخبرة إلى تقديم عروضهم لتوفير خدمات تنظيف احترافية للألواح الشمسية الكهروضوئية المركبة في ستة أبراج تابعة للهيئة في مختلف مناطق مملكة البحرين. وتهدف هذه المناقصة إلى ضمان المحافظة على كفاءة وأداء الألواح من خلال إزالة الغبار والأوساخ والرواسب البيئية التي قد تؤثر على إنتاج الطاقة.

 

يشمل نطاق العمل - على سبيل المثال لا الحصر - ما يلي:

-         إجراء عمليات تنظيف دورية للألواح الشمسية باستخدام طرق رطبة أو جافة معتمدة تتناسب مع التركيبات العمودية وعلى الأسطح.

-         استخدام مياه منزوعة المعادن وأدوات غير كاشطة للحفاظ على سلامة سطح الألواح.

-         الالتزام بمتطلبات السلامة وفق اللوائح المحلية وأفضل الممارسات العالمية للعمل على ارتفاعات.

-         توفير جميع الأيدي العاملة والمعدات ووسائل الحماية اللازمة لتنفيذ الأعمال.

-         إعداد تقارير مفصلة بعد إتمام الخدمة تتضمن التكرار، ظروف الموقع، والملاحظات المتعلقة بالأداء.

 

يغطي العقد فترة محددة مع إمكانية التجديد بناءً على الأداء. وعلى المقاولين الراغبين في التقديم إثبات خبرتهم السابقة في مجال تنظيف الألواح الشمسية، وتوافر الكوادر المؤهلة، والالتزام بمتطلبات الهيئة الخاصة بالصحة والسلامة البيئية.

 


How to Participate?

  • Those who are capable and wish to participate in the above tender have to purchase the Tender Documents online through the Bahrain Tender Board’s portal https://etendering.tenderboard.gov.bh starting from Thursday, 23 October 2025
  • Bidders are requested to enclose with their bids the Initial Bond for the amount specified above or at the rate of 1% of the tender value whichever amount is lesser, provided that no initial bonds value shall be less than BD 100/-. (Except for the Two-envelope tenders).
  • For Two-envelope tenders, bidders, are requested to enclose with their bids the Initial Bond for the amount specified above.
  • The initial bond should be in the form of a Certified Cheque, Bank Guarantee, Insurance Policy or Cash (or as specified in the Tender Documents) valid for the duration specified above.
  • The bids deposit place: (As Mentioned in the Tender Documents)
  • This tender is subject to the provisions of the Tender Law issued by the Legislative Decree No. 36 of 2002, its amendments, and its Implementing Regulations issued by the Decree No. 37 of 2002.
  • In addition, these conditions have to be considered:
    • Enclose copy of a valid Commercial Registration Certificate (CR) in line with the tender's subject.
    • Enclose copy of a valid certificate of compliance with the employment percentages for Bahraini manpower (Bahranization Certificate) issued by the Ministry of Labour.
  • This advertisement is considered supplementary to the tender documents. In case of any discrepancy between the Advertisement and the Tender Document, the Tender Document prevails.
  • Small and Medium Enterprises are eligible to obtain 10% preference in the financial evaluation stage, when submitting the "SMEs Classification Certificate" during bidding for this tender. The certificate is awarded by Ministry of Industry Commerce and Tourism to the SMEs and can be obtained when applying on the SMEs Registration System which can be reached via the following link: https://www.moic.gov.bh/en/eServices/sme
  • Vendors who are not registered in the Tender Board's e-tendering system shall be required to register through the below-mentioned link, and for assistance please contact the Tender Board through email helpdesk@tenderboard.gov.bh or call on Tel No. +97317566617.
  • For Registration

Inquiries

For further inquiries please contact on:

Electricity and Water Authority
  17995555