Shem Hydroelectricity

What Shem Hydroelectricity does

SHEM (Société Hydro-Électrique du Midi) is France's third-largest hydroelectric producer and a wholly-owned subsidiary of ENGIE, headquartered in Balma in the Toulouse agglomeration. The company operates 57 hydroelectric factories and 12 major dams across the Pyrenees, Lot, and Dordogne river basins, with 785 MW of installed capacity and 67.75 km of penstock piping delivering approximately 1,850 GWh of renewable electricity annually — equivalent to the consumption of one million inhabitants. Its infrastructure combines centenary installations (the Bouillouses dam being among the oldest forced-conduit assets) with modern facilities, and includes the world-first Piano Key Weir spillway at Barrage de l'Oule.

The company's core offering is grid-supplied renewable electricity, sold exclusively to the French national and regional grid operators (notably RTE) under regulated and market contracts. SHEM operates four turbine technologies — Pelton (mountain), Francis, Kaplan (low-head rivers), and VLH (micro-hydropower) — and runs an in-house maintenance workshop specialized in hydraulic turbine refurbishment. Adjacent service lines include dam operations (water storage, flood management, drought support), industrial tourism at selected plants, and public safety awareness campaigns around hydroelectric installations.

Commercially, SHEM functions as a B2B/utility operator rather than a consumer-facing retailer. Revenue is generated through power purchase arrangements with grid operators, supplemented by 'tens of millions of euros' in annual work orders, services, and supplies tied to environmental compliance and infrastructure maintenance. The company is governed by nine factory groupings under two regional directorates, supported by an engineering and maintenance apparatus at Toulouse headquarters, and holds ISO 45001, ISO 14001, ISO 37001, EDGE, and Lucie RSE certifications. It is not listed, has no public shareholders, and conducts no external fundraising as a subsidiary of ENGIE.

Name

Shem Hydroelectricity

Legal name

SHEM HYDROELECTRICITY

Website

https://shem.fr

Company type

Private

Founded year

1929

Operating status

Operating

Headcount range

251–500 employees

Short description

Shem Hydroelectricity provides hydro-power stations development, safety, security, certifications, and environmental consulting services.

Ownership category

akta.pro rank

Headquarters

HQ city

Balma

HQ country

France

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Electricity Generation and Sales: SHEM generates hydroelectric electricity and sells it to the French power grid. As the 3rd largest hydroelectric producer in France, it produces approximately 1,850 GWh annually, equivalent to the consumption of one million inhabitants.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

SHEM generates renewable hydroelectric electricity through 57 factories and 12 large dams in southwestern France, with 785 MW installed capacity producing approximately 1,850 GWh per year. The company supplies this electricity to the French national grid and also operates a turbine maintenance workshop, dam operations, water resource management (soutien d'étiage), and industrial tourism at selected facilities.

Product overview

SHEM (Société Hydro-Électrique du Midi) is a hydroelectricity producer and operator, operating as a subsidiary of ENGIE. The company manages a unified infrastructure portfolio comprising 57 hydroelectric factories, 12 major dams, and 67.75 km of penstocks across the Pyrenees, Lot, and Dordogne river basins. The core offering is renewable electricity production through run-of-river and reservoir-based hydroelectric facilities. Related services include turbine maintenance workshop operations, industrial tourism at selected plants, and public safety prevention programs. SHEM's installed capacity of 785 MW produces approximately 1,850 GWh annually, powering the equivalent of one million inhabitants.

Differentiator

Problem solved

Functional benefit

Products and services

• Hydroelectricity Production

Quantifiable outcome

• 1,850 GWh annual renewable electricity production
• +2 more outcomes

Named customers3 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Eight partnerships are on record, tiered core, major and minor.

• ENGIEcoreStrategic or Co-development PartnerENGIE is the parent company of SHEM. SHEM operates as a subsidiary of ENGIE, the world leader in independent electricity production. This ownership provides strategic direction, resources, and integration within a major global energy group.
• MigradourcoreStrategic or Co-development PartnerMigradour is an association charged with monitoring the evolution of migratory fish in the Adour basin. They work with SHEM on fish migration monitoring, using camera systems at dams like Castet to track trout and other species.
• Department of Hautes-PyrénéesmajorStrategic or Co-development PartnerPartnership for the 'J'entreprends Ha-Py' entrepreneurship support program. Since 2018, this program has supported entrepreneurs in Hautes-Pyrénées with 58 businesses created and 71% realization rate.
• CCI Pau-Béarn, Tarbes Hautes-Pyrénées, Bayonne Pays BasquemajorStrategic or Co-development PartnerChambers of Commerce and Industry co-organizing Hydromeeting annual events for the hydroelectricity sector in the Pyrenees, bringing together over 260 professionals.
• France Hydro ÉlectricitémajorStrategic or Co-development PartnerNational federation of hydroelectricity producers, partnering in Hydromeeting events to promote the hydropower industry in the Pyrenees.
• EDFmajorStrategic or Co-development PartnerPartner in Hydromeeting events and broader hydroelectricity industry collaboration in the French energy sector.
• Tram 66minorStrategic or Co-development PartnerEnvironmental education association supported by SHEM for the Energy Days of Water event at Fontpédrouse, providing educational activities about water and energy issues.
• RTEcoreStrategic or Co-development PartnerFrench electricity transmission network operator. SHEM supplies electricity to RTE through its hydroelectric facilities, with joint visits organized at sites like the Hourat power station.

Scale indicators15 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• EDF (Électricité de France): France's incumbent electric utility and the country's largest hydroelectric operator. Directly comparable as a domestic French hydroelectric generator selling into the same grid, with overlapping concessions and similar regulatory framework exposure.
• Compagnie Nationale du Rhône (CNR): France's second-largest hydroelectric producer, operating concessions along the Rhône river under a similar concession model to SHEM. Highly comparable business model, asset base, and regulatory exposure.

Broad incumbents

• Statkraft: Europe's largest generator of renewable energy and a major hydroelectric operator (state-owned, Norwegian). Comparable as a large-scale hydro IPP with flexible reservoir assets, though operating primarily in Nordic markets.
• Iberdrola: Global renewables leader with a sizable European hydroelectric fleet (especially Spain). Comparable as a vertically integrated utility with significant pumped-storage and reservoir hydro, though diversified across multiple countries and technologies.
• Enel Green Power: Enel's renewables arm with substantial hydroelectric capacity across Europe and the Americas. Comparable as a large-scale hydro operator within a diversified utility portfolio, though more internationally diversified than SHEM.
• Vattenfall: Swedish state-owned utility with significant hydroelectric generation in northern Europe. Comparable as a large, regulated hydroelectric operator embedded within a national/regional grid system.
• Verbund: Austrian hydroelectric major and one of Europe's largest hydropower generators, with significant run-of-river and pumped-storage assets. Comparable as a hydro-heavy utility selling flexible renewable power into a regulated grid.
• Alpiq: Swiss electricity producer with significant hydroelectric and pumped-storage capacity. Comparable as a flexible hydropower operator with reservoir assets serving grid stability needs.

Regional players

• BKW Energie: Swiss energy company with hydroelectric generation across Switzerland. Comparable as a regional Alpine hydroelectric operator with a similar asset profile of dams, penstocks, and run-of-river plants.

Others

• France Hydro Électricité: French national federation representing independent hydroelectric producers and operators. SHEM is a partner/co-organizer of Hydromeeting events with this body. Comparable as the industry association governing the French hydro sector in which SHEM operates.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/ShemHydro
• YouTubeyoutube.com/channel/UCO8Sc1Lwo7Fnw1cPFTAjgDw
• Facebookfacebook.com/SHEMhydro
• LinkedInlinkedin.com/company/shem-gdf-suez-group
• Instagraminstagram.com/shemhydro

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Shem Hydroelectricity