ENGIE STOMO (SUEZ TRACTEBEL OPERATION & MAINTENANCE OMAN) L.L.C

What ENGIE STOMO (SUEZ TRACTEBEL OPERATION & MAINTENANCE OMAN) L.L.C does

ENGIE STOMO (SUEZ TRACTEBEL OPERATION & MAINTENANCE OMAN) L.L.C, operating under the trade name "STOMO," is an Oman-incorporated Limited Liability Company that provides operations and maintenance (O&M) services for power generation and water desalination infrastructure. Founded in February 2007 as a joint venture between Tractebel Parts and Repair FZE (a Dubai free-zone subsidiary of ENGIE, formerly GDF SUEZ) and National Trading Company LLC — with Sogex Oman LLC assuming the local partner stake in May 2009 — STOMO manages five plants across Oman: Barka II, Barka III, Al Rusail, Sohar I, and Sohar II, representing a combined net installed electricity capacity of approximately 2,794 MW and 120,000 m³/day of potable water. The company claims to be the largest O&M service provider in the Sultanate of Oman, and in 2024 its managed facilities generated 12,977,838 MWh of power and 34,308,896 m³ of water.

STOMO's core product is long-term O&M service delivery under contracts typically structured for fifteen-year terms with each plant owner. Its underlying technology stack is industrial rather than digital: combined-cycle gas turbine operations, multi-effect desalination, and HSE management systems inherited from ENGIE's global operating methodologies. The Barka III plant's 5,000 consecutive days without a Lost Time Incident as of 11 March 2025 is the most prominent evidence of operational maturity. There is no proprietary software platform, no AI/ML capability disclosed, and no retail or SMB-facing offering.

The business model is a managed-services / long-term contract model: STOMO negotiates bespoke enterprise O&M agreements directly with plant owners (SMN Barka Power Company, Al Rusail Power Company, Sohar Power Company, Al Suwadi Power Co., Al-Batinah Power Company), with power and water offtake flowing through the government-owned Oman Power and Water Procurement Company. Revenue is contract-based and pass-through-heavy, with no public pricing or self-serve channel. GTM is enterprise field sales through direct, relationship-driven procurement; there is no product-led or channel-partner motion. STOMO employs 234 people, primarily technicians and operations staff based across its Barka headquarters and three plant sites.

Name

ENGIE STOMO (SUEZ TRACTEBEL OPERATION & MAINTENANCE OMAN) L.L.C

Legal name

ENGIE STOMO (SUEZ TRACTEBEL OPERATION & MAINTENANCE OMAN) L.L.C

Website

https://stomo.com.om

Company type

Private

Founded year

2007

Operating status

Operating

Headcount range

101–250 employees

Short description

ENGIE STOMO is the largest operations and maintenance services provider in Oman, managing five power and desalination plants (~2,794 MW and 120,000 m³/day) under long-term O&M contracts for enterprise plant owners, serving as ENGIE's specialized industrial-services vehicle in the country.

Ownership category

akta.pro rank

Product category

Power Plant Operations & Maintenance Services

NAICS

Electric Power Generation (22111), Water Supply and Irrigation Systems (221310), Fossil Fuel Electric Power Generation (221112), Electric Power Distribution (221122)

SIC

Electric Services (4911), Water Supply (4941), Cogeneration Services & Small Power Producers (4991)

akta.pro primary industry

Desalination Plant EPC, O&M & Performance Optimization (EUANAFAK)

akta.pro secondary industries

Renewable Energy Asset O&M (Wind, Solar, Hydro, Geothermal) (EUAEAGAB), Electrical Systems O&M (Substations, Transformers, Switchgear, Protection & Controls) (EUAMAGAH)

Keywords

• Power plant operations
• Desalination plant maintenance
• Operation maintenance services
• Combined cycle power O&M
• Power water generation services

Headquarters

HQ city

Barka

HQ country

Oman

HQ region

Middle East

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Infrastructure, Others

Revenue model

1. O&M Contract Services: STOMO generates revenue through long-term Operation and Maintenance Agreements with power and desalination plant owners, assuming full operational and maintenance responsibility for the contracted facilities. Contracts are typically structured for fifteen-year terms.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

ENGIE STOMO provides comprehensive operations and maintenance (O&M) services for combined-cycle power plants and seawater desalination facilities in Oman. Under long-term Operation and Maintenance Agreements (typically 15-year terms), STOMO assumes full operational and maintenance responsibility for power and desalination plants owned by enterprise clients, managing approximately 2,794 MW of net installed electricity capacity and 120,000 m³ per day of potable water capacity across Barka II, Barka III, Al Rusail, Sohar I, and Sohar II facilities.

Product overview

ENGIE STOMO is the largest provider of operations and maintenance services in the Sultanate of Oman, managing a portfolio of six power and desalination plants with a combined net installed capacity of approximately 2,794 MW of electricity and 120,000 m³ per day of potable water. The company operates as a joint venture between ENGIE (formerly G Suez) and Sogex Oman LLC, providing specialized O&M services under long-term agreements (typically 15 years) for power plants including Barka II, Barka III, Al Rusail, Sohar I, and Sohar II facilities. The company does not offer a software product; rather, it delivers operational excellence services through its team of domain experts. In 2024, the company's managed facilities generated 34,308,896 cubic meters of water and 12,977,838 MWh of power.

Differentiator

Problem solved

Functional benefit

Products and services

• Power Plant Operations & Maintenance Services

Quantifiable outcome

• 34,308,896 cubic meters of water generated in 2024
• +2 more outcomes

Named customers5 records

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Eight partnerships are on record, tiered core and minor.

• Tractebel Parts and Repair FZE (ENGIE subsidiary)coreStrategic or Co-development Partner · 1 February 2007Tractebel Parts and Repair FZE, a company registered in the Dubai free zone and owned 100% by ENGIE, is the major shareholder of ENGIE STOMO. Tractebel provides the global technical framework and brand backing for STOMO's O&M operations in Oman.
• National Trading Company LLC (NTC)coreStrategic or Co-development PartnerNational Trading Company LLC was an original co-founding partner in the ENGIE STOMO joint venture. NTC provided local market knowledge and business relationships within Oman. Note: On 25 May 2009, NTC divested from ENGIE and Sogex Oman LLC took over the shareholder stake.
• ENGIEcoreStrategic or Co-development PartnerENGIE (formerly GDF SUEZ), the world's third-largest power generator, is the parent/global technology and expertise provider for STOMO. ENGIE provides operational methodologies, global best practices, and brand association. Every year, ENGIE invests more than €10 billion to drive forward the energy transition.
• Sohar Power CompanyminorOthersSTOMO provides O&M services to the Sohar Power Company-operated facilities.
• SMN Power CompanyminorOthersSTOMO provides O&M services to SMN Power Company-operated facilities.
• Oman Power and Water Procurement CompanyminorOthersGovernment offtake/procurement entity for power and water in Oman.
• Al Batinah Power CompanyminorOthersSTOMO provides O&M services for the Al Batinah Power Company-operated Sohar II plant.
• Al Suwaidi Power CompanyminorOthersOwner of Barka III Power Plant; STOMO provides O&M services.

Scale indicators6 records

Recent moves6 records

Expansion highlights4 records

Regional players

• Marafiq (Power and Water Utility Company for Jubail and Yanbu): Marafiq is a Saudi utility providing integrated power, water, and wastewater services to industrial cities. Comparable as a regional provider of combined power and water O&M services in the GCC, though focused on Jubail/Yanbu rather than Oman.
• OQ (formerly Oman Oil Company): OQ is an Omani state-owned integrated energy company operating across the hydrocarbon and power value chain. Comparable as a regional Oman-based energy operator with interests overlapping in power, water, and industrial services.
• Qatar Electricity and Water Company (QEWC): QEWC owns and operates power generation and desalination assets in Qatar under long-term agreements. Comparable as a regional GCC utility that combines electricity generation and water desalination operations with long-term O&M economics.

Broad incumbents

• ACWA Power: ACWA Power is a major GCC-based developer, investor, and operator of power and desalination plants. Comparable as it both owns and operates assets similar to those STOMO services, sitting on the customer/owner side of the O&M relationship.
• Saudi Electricity Company (SEC): SEC is the vertically integrated power utility in Saudi Arabia, operating generation, transmission, and distribution assets. Comparable as a broad regional incumbent utility operator, though vastly larger in scale than STOMO.
• TAQA (Abu Dhabi National Energy Company): TAQA is a diversified UAE-based energy investor and operator with power and water generation assets across the GCC and beyond. Comparable as a broad incumbent operating thermal and desalination plants in the region.
• Engie Solutions / ENGIE Middle East: ENGIE is STOMO's parent and the world's third-largest independent power producer. Comparable as the global brand/parent platform whose methodologies, capital, and best practices underpin STOMO's O&M operations and strategy.
• Suez (Suez Water Technologies & Solutions / SUEZ Groupe): Suez is a global water and waste management operator, and is referenced in STOMO's legacy corporate name (SUEZ Tractebel O&M Oman). Comparable as a global water/utility operator with strong desalination and water O&M capabilities.

Direct peers

• NOMAC (First National Operations & Maintenance Co.): NOMAC is the largest third-party O&M provider for power and desalination plants in Saudi Arabia and the wider GCC, operating assets under multi-year contracts for ACWA Power and others. Directly comparable to STOMO as a regional specialist IPP/IWPP O&M services provider in the Gulf.
• Veolia Middle East: Veolia operates and maintains power, water, and desalination assets across the Middle East under long-term O&M agreements. Directly comparable as a global O&M specialist serving GCC utilities and industrial clients.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/suez-tractebel-operation-&-maintenance-oman-l.l.c

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ENGIE STOMO (SUEZ TRACTEBEL OPERATION & MAINTENANCE OMAN) L.L.C