TSK Medio Ambiente

What TSK Medio Ambiente does

TSK is a Spanish-headquartered global EPC contractor specializing in the energy transition and industrial decarbonization, founded in 1986 in Gijón (Asturias) and now listed on BME (Bolsa de Madrid) under ticker TSK. The company delivers turnkey engineering, procurement, and construction services across solar (photovoltaic and concentrated solar power), wind, biomass, hydroelectric, waste-to-energy, geothermal, hybrid generation, long-duration energy storage, hydrogen, combined-cycle gas, electrical infrastructure, water treatment, industrial plants, mining/material handling, and data center engineering. Core proprietary assets include the SKAL-ET parabolic trough collector (acquired with German subsidiary Flagsol in December 2013) and joint-developed Liquid Air Energy Storage and molten-salt electrical Thermal Energy Storage technologies (partner Highview Power). The portfolio is supported by a wholly-owned material-handling subsidiary (PHB Weserhütte) with its own radar-based warehouse automation product (PARVAMAP 3D).

TSK generates revenue primarily through one-time EPC contracts for large energy and infrastructure projects, supplemented by post-construction operations and maintenance (O&M) services (e.g., 6-year O&M at the Shagaya complex) and standalone engineering services. Customers are large enterprise utilities, independent power producers, sovereign offtakers, and government agencies — including EDF, Masdar, ACWA Power, AES, CFE, KISR, Globeleq, Fermí America, and OPC Energy — with whom TSK often forms consortia with local partners and OEMs such as Siemens Energy and GE Vernova. Project economics are bespoke and not publicly disclosed; contract sizes range from tens to several hundred million euros (e.g., Shagaya €362M; Tel Aviv combined cycle ~$1B; June 2026 multi-project package above $500M). International activity accounts for over 96% of sales across 30+ countries and four continents, with a cumulative reference base exceeding 25,000 MW across renewable, conventional, hybrid, and storage technologies.

Name

TSK Medio Ambiente

Legal name

TSK ELECTRÓNICA Y ELECTRICIDAD, S.A.

Website

https://tsk.es

Company type

Public

Founded year

1986

Operating status

Ipo

Headcount range

11–50 employees

Short description

TSK is a Spanish global EPC contractor founded in 1986 that delivers turnkey energy transition and industrial projects — solar, wind, hydrogen, storage, combined-cycle, electrical infrastructure, mining, water, and data centers — to utilities, governments, and industrial clients across 30+ countries.

Ownership category

akta.pro rank

Product category

Engineering, Procurement and Construction (EPC) Services for Energy and Industrial Infrastructure

akta.pro primary industry

Structural & Mechanical BOP Construction (Racking/Trackers, Turbine Erection Support, Mounting Structures) (EUAMAFAC)

Keywords

• EPC contracting services
• Renewable energy construction
• Power plant engineering
• Long-duration energy storage
• Industrial plant construction

Headquarters

HQ city

Gijón

HQ country

Spain

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. EPC Contracts (Engineering, Procurement, Construction): TSK generates revenue primarily through turnkey EPC contracts for energy and industrial infrastructure projects. This includes design, engineering, procurement, construction, and commissioning of power plants, renewable energy facilities, and industrial installations.
2. Operations and Maintenance (O&M): Post-construction O&M services for delivered plants, including the Shagaya solar complex O&M contract for 6 years and ongoing services for other facilities.
3. Engineering Services: Technical engineering and project management services, including design, basic engineering, and engineering supervision for third-party projects.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

TSK is a global EPC (Engineering, Procurement, and Construction) contractor that designs, builds, commissions, and maintains large-scale energy and industrial infrastructure. Its portfolio covers renewable generation (solar PV, thermosolar/CSP, wind, biomass, hydro, geothermal, waste-to-energy), hybrid plants, long-duration energy storage (LAES and molten salt eTES), green hydrogen, combined cycle and flexible gas power plants, electrical transmission infrastructure, industrial plants (oil & gas, LNG, cogeneration), handling/mining systems, and water treatment facilities, executed across more than 30 countries.

Product overview

TSK is a global engineering and construction group offering an integrated portfolio of technology-driven solutions centered on the energy transition and industrial decarbonization. The portfolio is organized around two pillars: (1) renewable and flexible energy generation — spanning Solar (photovoltaic and thermosolar via its Flagsol subsidiary's proprietary SKAL-ET collectors), Wind, Biomass, Hydroelectric, Waste-to-Energy, Geothermal, Hybrid Power Plants, Long-Duration Energy Storage (LAES and molten salt eTES via Highview Power partnership), and Hydrogen; and (2) enabling infrastructure — including Flexible Power Plants (Gas to Power/CCGT), Electrical Infrastructure (substations, transmission lines up to 400 kV), Digital Innovation for data centers, Handling & Mining systems (via PHB Weserhütte subsidiary, including the proprietary PARVAMAP 3D radar-based warehouse automation), Industrial Plants (EPC for oil & gas, LNG, cogeneration), Water Treatment & Environmental Solutions (potable, wastewater, leachate, desalination), and Decarbonization & Environment services. Professional services including proposal planning and electrical project engineering support project development. TSK operates on a project delivery model (EPC, O&M, and design/engineering) across all business lines, with references exceeding 25,000 MW in generation capacity across four continents.

Differentiator

Problem solved

Functional benefit

Products and services

• Solar Energy Solutions (Photovoltaic and Thermosolar/CSP) Design, construction, and operation of solar energy installations encompassing photovoltaic (PV) and concentrated solar power (CSP/thermosolar) technologies; leverages proprietary SKAL-ET collector technology via Flagsol subsidiary and hybrid PV+CSP plant designs for utilities, IPPs, and governments.

Quantifiable outcome

• 25,000+ MW of power generation experience
• +5 more outcomes

Named customers9 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Ten partnerships are on record, tiered core and minor.

• Flagsol GmbHcoreTechnology or Integration · 1 December 2013TSK acquired German company Flagsol in December 2013, gaining the SKAL-ET proprietary parabolic trough collector technology. This acquisition positioned TSK as a world leader in solar thermal technology with both proprietary technology and project execution capabilities.
• Highview PowercoreStrategic or Co-development PartnerTSK and Highview Power jointly develop long-duration energy storage systems using Liquid Air Energy Storage (LAES) technology at gigawatt-hour scale. TSK serves as the engineering and construction partner for Highview's proprietary cryogenic storage technology.
• Centro Nacional del Hidrógeno (CNH2)minorStrategic or Co-development PartnerTSK has collaboration agreements with CNH2 for hydrogen technology development and projects.
• CIUDEN Ciudad de la EnergíaminorStrategic or Co-development PartnerCollaboration partner for hydrogen-related projects and technology development.
• European Clean Hydrogen AllianceminorOthersTSK is a member of the European Clean Hydrogen Alliance, supporting EU hydrogen economy development.
• Shikun & Binui-Solel BonehcoreStrategic or Co-development Partner50% joint venture partnership for development of ~800 MW combined cycle plant in Tel Aviv, Israel. Local partner leads civil works and construction while TSK leads engineering, procurement, and commissioning.
• PHB WeserhüttecoreOthersWholly-owned subsidiary of TSK specializing in material handling and mining equipment. Recently secured engineering services contract for European critical raw materials project with capacity up to 1.5 million tonnes/year.
• Siemens EnergycoreTechnology or IntegrationTechnology partner providing main equipment (turbines, generators) for combined cycle and solar thermal plants. Collaborating on 1 GW project in Texas (Fermi America) and 800 MW project in Israel (OPC Energy).
• GE VernovacoreTechnology or IntegrationEquipment supplier for 800 MW combined cycle project in Tel Aviv, Israel. TSK executes the project with GE Vernova providing main power generation equipment.
• Green of AfricacoreStrategic or Co-development PartnerPart of consortium with EDF and Masdar for Noor Midelt 800 MW hybrid solar project in Morocco. Local partner representing Moroccan interests.

Scale indicators5 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• SENER: Spanish engineering and technology group active in renewable energy (CSP, solar thermal, wind), power, and industrial infrastructure. Comparable to TSK in energy transition EPC and proprietary technology development.
• Abengoa: Historically a major Spanish EPC contractor for renewable energy (especially CSP), transmission, and water infrastructure. Was a direct competitor to TSK in solar thermal EPC before restructuring; provides legacy comparability for TSK's Flagsol-derived CSP business.
• Cobra Instalaciones y Servicios: Spanish EPC company (part of ACS Group) executing energy and infrastructure projects globally. Comparable to TSK in renewable and conventional power plant EPC, electrical infrastructure, and consortium-based delivery model.
• Fluor Corporation: Global EPC contractor for energy, urban solutions, and mission solutions. Comparable to TSK in large-scale power generation EPC, including renewable and conventional projects, with similar consortium and turnkey delivery approaches.
• Elecnor: Spanish infrastructure and energy EPC contractor with international operations. Highly comparable to TSK in renewable generation, electrical infrastructure, and turnkey project delivery for utilities and industrial clients.
• Técnicas Reunidas: Spanish EPC contractor for energy, oil & gas, and industrial infrastructure. Highly comparable to TSK given similar business model, international project focus, and energy transition portfolio.

Broad incumbents

• GE Vernova: Global energy equipment and services company with focus on power generation, grid solutions, and renewable energy. Comparable to TSK as a major equipment supplier (turbines) and broader incumbent in the EPC + technology space.
• Acciona Energía: Spanish renewable energy IPP and infrastructure developer with EPC capabilities. Comparable to TSK in renewable energy focus and Spanish origin, but operates more as an asset owner/operator than pure EPC contractor.
• Siemens Energy: Global energy technology and EPC provider with portfolio spanning turbines, generators, transmission, and renewable solutions. Comparable to TSK as a partner on combined cycle and CSP projects, and broader incumbent in the same EPC space.

Others

• Masdar: UAE-based renewable energy developer and IPP, frequent client/partner of TSK (e.g., Noor Midelt consortium). Not a direct competitor but a key counterpart in the renewable energy EPC ecosystem where TSK operates.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/tsk-medio-ambiente

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries2 records

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 TSK Medio Ambiente