GES General Electric Systems Construction and Engineering
GES is a Turkish EPC contractor delivering turnkey hydroelectric, wind, solar, and hybrid power plants plus high-voltage substations for utilities, private energy producers, and industrial clients across Turkey, the Balkans, Caucasus, and East Africa.
- Company typePrivate
- Founded1985
- HeadquartersÇankaya
- Headcount101–250
- GTM typeB2B
- OfferingServices
What GES General Electric Systems Construction and Engineering does
GES Genel Elektrik Sistemleri Yapım ve Mühendislik A.Ş. (GES General Electric Systems Construction and Engineering) is a Turkish engineering, procurement, and construction (EPC) contractor headquartered in Ankara that delivers turnkey energy production, transmission, and distribution infrastructure. The company designs, procures, constructs, installs, tests, and commissions hydroelectric power plants (HES), wind power plants (RES), solar power plants, hybrid plants, and high-voltage transformer substations including gas-insulated switchgear (GIS) installations. Its technical stack centers on IEC 61850-based substation automation and SCADA systems, supplemented by in-house manufacturing of low-voltage and electrical panels for distribution and control.
The firm operates a direct enterprise field sales motion, securing projects through competitive tenders and negotiated contracts with state-owned utilities and private energy developers. Revenue is generated through three streams: long-cycle EPC contracts (typically 1-3 years per project), construction and installation services for energy and industrial facilities, and equipment/material supply including transformers, switchgear, and panels. Primary customers are TEİAŞ (the Turkish state transmission operator), private renewable energy developers such as Kalyon Enerji and Enerjisa, oil and gas operator SOCAR Turkey, mining operator Öksüt Madencilik, and international developers including GE Renewable Energy and ENERGO-PRO.
Beyond its Turkish base, GES executes projects across the Balkans (Albania via its wholly-owned subsidiary GES Albania Ltd.Co.), the Caucasus (Georgia), East Africa (Ethiopia), the Middle East (Saudi Arabia), and the Eastern Mediterranean (Syria). The company claims ownership or contribution to several landmark installations, including Europe's largest solar power plant (1000 MW Karapınar YEKA-1), Turkey's sixth-largest wind farm (143 MW Balıkesir RES), and the world's largest reservoir-volume HES (Alpaslan II Dam). Ownership is not publicly disclosed and no parent company, institutional investors, or funding rounds appear in the available data, leaving capital structure as a material information gap.
GES General Electric Systems Construction and Engineering firmographics
Firmographics- Name
- GES General Electric Systems Construction and Engineering
- Legal name
- GES Genel Elektrik Sistemleri Yapım ve Mühendislik A.Ş.
- Website
- https://geselektrik.com.tr
- Company type
- Private
- Founded year
- 1985
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- GES is a Turkish EPC contractor delivering turnkey hydroelectric, wind, solar, and hybrid power plants plus high-voltage substations for utilities, private energy producers, and industrial clients across Turkey, the Balkans, Caucasus, and East Africa.
- Ownership category
- akta.pro rank
GES General Electric Systems Construction and Engineering industry classification
Industry- Product category
- Power Infrastructure EPC Services
- NAICS
- Electric Power Generation, Transmission and Distribution (2211), Hydroelectric Power Generation (221111), Solar Electric Power Generation (221114), Wind Electric Power Generation (221115)
- SIC
- Switchgear & Switchboard Apparatus (3613), Electrical Industrial Apparatus (3620)
- akta.pro primary industry
- Power Plant I&C / SCADA / DCS EPC (EUAEAAAN)
- akta.pro secondary industries
- Solar PV Power Plant EPC (Utility-Scale) (EUAEAAAG), Wind Power Plant EPC (Onshore/Offshore) (EUAEAAAF), Electrical Balance-of-Plant EPC (MV Collection, Cabling, Earthing, Lighting) (EUAEADAB)
Keywords
Where GES General Electric Systems Construction and Engineering is headquartered
LocationHeadquarters
- HQ city
- Çankaya
Offices2 records
Markets served
GES General Electric Systems Construction and Engineering business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales
Revenue model
- EPC Contract Revenue: Engineering, Procurement and Construction contracts for power plants, substations and industrial facilities. Revenue recognized over project duration typically spanning 1-3 years per contract.
- Construction and Installation Services: Civil works, mechanical assembly, electrical installation and commissioning services for energy infrastructure projects
- Material Supply and Equipment Provision: Supply of electrical equipment, transformers, switchgear, panels and related components as part of turnkey project delivery
Go-to-market motion1 record
Distribution channels1 record
Marketing channels2 records
GES General Electric Systems Construction and Engineering product offering
Product offeringCore offering
GES is a Turkish turnkey EPC (Engineering, Procurement and Construction) contractor that designs, supplies, builds, assembles, tests and commissions energy production, transmission and distribution infrastructure. Its offerings span hydroelectric, wind, solar and hybrid power plants, high-voltage transformer and GIS substations, and supporting electrical/mechanical works. The company also operates in-house manufacturing of low-voltage electrical panels and integrates SCADA and automation systems for substations and power plants.
Product overview
GES Genel Elektrik Sistemleri Yapım ve Mühendislik A.Ş. is a Turkish engineering and construction company specializing in turnkey energy production, transmission, distribution and industrial facility installations. The company's product portfolio includes turnkey Hydroelectric Power Plants (HES), Wind Power Plants (RES), Gas Insulated Transformer Substations (GIS), Hybrid Power Plants, and Transformer Substations, complemented by comprehensive services including panel manufacturing, SCADA & automation systems, test & commissioning, mechanical assembly, and ongoing maintenance. The company operates as a full-service EPC (Engineering, Procurement, Construction) contractor serving the energy sector across Turkey and Albania.
Differentiator
Problem solved
Functional benefit
Products and services
- Turnkey Hydroelectric Power Plants (HES) Complete turnkey installation of hydroelectric power plants including engineering, equipment supply, construction, mechanical and electrical assembly, testing and commissioning. Delivered to utilities, energy producers and international developers.
- Turnkey Wind Power Plants (RES) Complete turnkey installation of wind energy power plants including substations, electromechanical works, testing and commissioning for private renewable energy developers.
- Turnkey Transformer Substations Complete turnkey installation of high-voltage transformer substations, including design, equipment supply, civil works, electrical assembly, testing and commissioning for transmission system operators and energy producers.
- Turnkey Gas Insulated Transformer Substations (GIS) Complete turnkey installation of gas insulated switchgear (GIS) transformer substations for transmission grid operators and industrial facilities.
- Turnkey Hybrid Power Plants Complete turnkey installation of hybrid power plants that combine multiple energy sources (e.g., hydroelectric and solar) on a single site.
- Panel Manufacturing In-house manufacturing of electrical panels for power distribution and control systems, supporting GES's EPC projects and supplied to external clients.
- Engineering & Design Services (Electrical, Construction, Mechanical) Engineering and design services covering electrical, construction and mechanical disciplines, supporting both internal EPC projects and external clients.
- SCADA, Automation and Instrumentation SCADA systems, automation and instrumentation services for power plants and substations, including IEC 61850-based communication protocol integration.
- Test & Commissioning Testing and commissioning services for electrical systems, power plants and substations, performed as part of turnkey EPC delivery and as standalone engagements.
- Service and Maintenance Ongoing service and maintenance support for energy facilities delivered by GES.
Companies that use GES General Electric Systems Construction and Engineering
Customer profileNamed customers8 records
Segments3 records
Ideal customer profiles2 records
GES General Electric Systems Construction and Engineering technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
GES General Electric Systems Construction and Engineering partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered core and major.
- Kalyon Enerji Yatırımları A.Ş.coreMajor renewable energy developer partnership. Multiple contracts including YEKA-1 Karapınar 1000 MW solar project transformer substations, Gaziantep GES, Bilecik-6, Trabzon-1 and Bayburt-5 wind farm substations.
- ENERGO-PROmajorPartnership for Alpaslan II HES 400 kV cable contract between hydro plant and switchyard. ENERGO-PRO operates the Alpaslan II hydroelectric project.
- SOCAR Turkey Enerji A.Ş.coreEPC contract for 380/154/33 kV refinery substation at İzmir Aliağa petrochemical complex. World Bank financed projects DB.ATT.36 for Side and Antalya GIS substations.
- GE Renewable EnergycoreLong-term partnership for hydroelectric project execution. GES signs contracts with GE Renewable Energy for electro-mechanical installation works on projects including Aşağı Kaleköy HES (3x155.49 MW) and Moglice HEP in Albania. GE supplies turbines and generators while GES handles installation, testing and commissioning.
- TEİAŞ (Turkish Electricity Transmission Corporation)corePrimary transmission infrastructure client. Multiple contracts for construction of substations including 380 kV Vize Havza Trafo Merkezi, 154 kV Kızılcahamam, 400 kV Bursa Batı, 170 kV Side and Antalya projects.
- Enerjisa Enerji Üretim A.Ş.majorPartnership for hydroelectric projects including Kavşakbendi HES (GES-Alstom Consortium) and Uygar RES 400 kV substation project in Balıkesir-İzmir-Manisa region.
- GE Hydro (formerly Alstom Hydro)coreConsortium partner for Kavşakbendi HES (3x66.26 MVA) installation. Historical partnership for electromechanical works on major hydroelectric projects.
Scale indicators6 records
Recent moves7 records
Expansion highlights6 records
GES General Electric Systems Construction and Engineering competitors and assessment
Company assessmentBroad incumbents
- ABB: Global leader in substation, switchgear, transformer and grid-automation technologies with EPC service capability. Comparable to GES on high-voltage substation and SCADA/automation scope, but as a much larger multi-product incumbent rather than a focused regional EPC.
- Schneider Electric: Global provider of electrical distribution, substation, SCADA/automation and energy management solutions with services that overlap GES's panel manufacturing and automation offering. Operates as a broad incumbent across many end-markets rather than as a focused energy EPC.
- Siemens Energy: Global incumbent covering power generation EPC (gas, hydro, wind), grid technologies including substations, and SCADA/automation. Overlaps with GES on utility-scale substation, hydro and solar PV EPC, but operates at much broader scale across a full equipment portfolio.
- Hitachi Energy: Global supplier of transformers, GIS/AIS switchgear, substation automation (IEC 61850) and grid EPC services. Directly comparable technology stack to GES in substations and SCADA, but offers a full OEM product portfolio rather than regional EPC specialization.
Direct peers
- GE Renewable Energy: Global OEM and EPC contractor for hydroelectric, wind and grid solutions, and an existing strategic partner of GES on Moglice HEP and Aşağı Kaleköy HES. Comparable on hydro EPC scope, but at much larger scale and from the turbine-OEM side of the value chain.
- Limak İnşaat: Major Turkish construction and EPC group active in hydroelectric power plants, transmission infrastructure and industrial facilities. Competes directly with GES on Turkish hydro, substation and energy infrastructure tenders and shares the same enterprise-bidding GTM motion.
- ENKA İnşaat: Turkish-headquartered EPC contractor executing power plants (combined-cycle, hydro), substations and large industrial facilities across Turkey, the Middle East and the CIS. Direct competitor to GES for TEİAŞ, IPP and industrial substation tenders, with comparable scope of engineering, procurement and construction services.
- Tekfen İnşaat: Turkish engineering and construction group executing power plants, substations, pipelines and industrial facilities, including renewable energy projects. Comparable to GES in EPC scope and customer base across Turkey and neighboring regions.
- Cengiz İnşaat: Large Turkish EPC contractor active in power generation (hydro and thermal), transmission and large industrial infrastructure. Competes with GES in the Turkish energy infrastructure market on utility, IPP and industrial clients.
- Kolin İnşaat: Turkish EPC contractor with a portfolio spanning hydroelectric and thermal power plants, transmission lines and substations. Closely comparable to GES in scope of energy infrastructure EPC and in bidding for TEİAŞ and Turkish IPP contracts.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
GES General Electric Systems Construction and Engineering social profiles
Digital presenceGES General Electric Systems Construction and Engineering financial estimates
Financial estimateRevenue estimate
Valuation estimate
GES General Electric Systems Construction and Engineering leadership team
Management profileNumber of profiles
GES General Electric Systems Construction and Engineering subsidiaries and ownership
Company hierarchySubsidiaries1 record
GES General Electric Systems Construction and Engineering funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
GES General Electric Systems Construction and Engineering M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about GES General Electric Systems Construction and Engineering
What does GES General Electric Systems Construction and Engineering do?
GES is a Turkish turnkey EPC (Engineering, Procurement and Construction) contractor that designs, supplies, builds, assembles, tests and commissions energy production, transmission and distribution infrastructure. Its offerings span hydroelectric, wind, solar and hybrid power plants, high-voltage transformer and GIS substations, and supporting electrical/mechanical works. The company also operates in-house manufacturing of low-voltage electrical panels and integrates SCADA and automation systems for substations and power plants.
Is GES General Electric Systems Construction and Engineering a public or private company?
GES General Electric Systems Construction and Engineering is a private company. It is classified as unknown and is currently operating.
When was GES General Electric Systems Construction and Engineering founded?
GES General Electric Systems Construction and Engineering was founded in 1985. It employs 101 to 250 people.
Where is GES General Electric Systems Construction and Engineering based?
GES General Electric Systems Construction and Engineering is headquartered in Çankaya.
How does GES General Electric Systems Construction and Engineering make money?
Three revenue lines are on record. EPC Contract Revenue is the primary driver. The others are construction and Installation Services and material Supply and Equipment Provision.
Who are GES General Electric Systems Construction and Engineering's main competitors?
Broad incumbents on record are ABB, Schneider Electric, Siemens Energy and Hitachi Energy. Direct peers are GE Renewable Energy, Limak İnşaat, ENKA İnşaat, Tekfen İnşaat, Cengiz İnşaat and Kolin İnşaat.
Does GES General Electric Systems Construction and Engineering have an API?
No public API is recorded for GES General Electric Systems Construction and Engineering.
What industry is GES General Electric Systems Construction and Engineering in?
GES General Electric Systems Construction and Engineering's product category is Power Infrastructure EPC Services. Its primary akta.pro industry code is EUAEAAAN, Power Plant I&C / SCADA / DCS EPC, with a secondary code of EUAEAAAG, Solar PV Power Plant EPC (Utility-Scale). Its NAICS code is 2211 and its SIC code is 3613.