Renewables4 Aug 2026
GCMS commissions 10 MW solar extension at Ibri
The latest phase adds 10 MW of capacity to our solar O&M portfolio, delivered on programme with zero lost-time incidents.
Energy and utilities across Oman — power, water and renewable energy.
GCMS specialises in power, water and renewable energy projects. Our expertise spans project lifecycle management, including BOOT, EPC and O&M services, contributing to Oman's sustainable energy and utilities infrastructure with innovative and efficient solutions.
When Quality Matters, We Deliver.
At a glance
Group established
1973
Al Barami Group of Companies
Group workforce
1,300+
Professionals within the Sultanate
Service lines
Four
EPC · O&M · Renewables · FM
Subsidiaries
Six
Companies in the group
Total water output
240,000+
Cubic metres per day
Total MW renewable
35+
Megawatts solar delivered
Total MW power
750+
Megawatts built and maintained
Total waterline length
1,200+
Kilometres of distribution network
ISO standards
Certified management systems
Our Integrated Management System is certified to three international standards and continually updated.
ISO 9001:2015
Quality management system
Quality management system
ISO 45001:2018
Occupational health & safety
Occupational health & safety
ISO 14001:2015
Environmental management system
Environmental management system
Our service
Four service lines across the project lifecycle
From engineering, procurement and construction through to long-term operation, maintenance and facilities management.
Engineering | Procurement | Construction
EPC delivery for power and water infrastructure, including substations, networks, desalination plants and treatment works.
Read moreOperation & Maintenance
Operation and maintenance of power and water plants, electrical networks and distribution systems.
Read moreRenewable Energy
Solar project delivery and long-term solar operation and maintenance.
Read moreFacilities Management
Operation and maintenance of commercial and residential buildings, with MEP and HVAC scopes.
Read moreNews
News & insights
Stories from our projects, plants and people across the Sultanate.
Operations21 Jul 2026
Inside our O&M control room: 24/7 plant reliability
How round-the-clock monitoring and predictive maintenance keep power and water plants across Oman running at target availability.
QHSE30 Jun 2026
GCMS marks five million safe man-hours
A milestone built on daily toolbox talks, rigorous permits-to-work and a workforce that owns safety at every level.
When Quality Matters, We Deliver.
Contact our team in Muscat to discuss engineering, procurement, construction, operation, maintenance, renewable energy or facilities management scopes.