What SEFE Energy GmbH does

SEFE Energy GmbH, formerly WINGAS GmbH until its June 2024 rebrand, is the German sales entity of the government-owned SEFE Securing Energy for Europe Group. Headquartered in Kassel with operations across Germany, Belgium, and the Netherlands, the company supplies natural gas, electricity (entered 2025), hydrogen, and biomethane to roughly 50,000 European customers - principally municipal utilities (Stadtwerke), energy-intensive industrial companies (packaging, textiles, plastics), power plant operators, and natural gas traders. The 200+ TWh annual sales volume positions SEFE as one of Europe's largest B2B energy suppliers, with diversified sourcing from European trading hubs including Norway and Qatar.

The company's core assets span the full energy value chain. SEFE Energy itself operates an approximately 8,500 km fibre optic (Dark Fibre) network since 1996, offering dedicated fibre, data centre co-location, and broadband. Group-level, the August 2024 acquisition of WIGA added GASCADE (3,710 km German pipeline) and NEL (441 km northern European pipeline), creating ~4,150 km of gas transport infrastructure critical for both conventional supply and the hydrogen transition. Technology products include the Customer Portal for contract/transaction management, a Sales Trading Desk for structured futures and forwards, a Sales Execution Desk for contract option exercises, REMIT reporting tooling for regulatory compliance, and emissions trading support for EU-ETS/ETS 2/nEHS.

Commercially, SEFE Energy operates a B2B sales-led model with bespoke contract pricing negotiated through a dedicated Sales Desk ([email protected]). Revenue streams are subscription/contract-recurring across five product lines: natural gas, electricity, hydrogen, biomethane, and dark fibre. Go-to-market combines direct enterprise sales, channel partnerships (e.g., Pfalzgas, ConocoPhillips supply agreements), and self-serve digital portals for nominations and invoicing. Sustainability credentials are evidenced through EcoVadis certification and ISCC-EU biomethane certification; the Federal Republic of Germany has owned SEFE Group since 14 November 2022, with privatisation planned by end-2028.

Name

SEFE Energy GmbH

Legal name

SEFE Energy GmbH

Website

https://sefe-energy.eu

Company type

Private

Founded year

2024

Operating status

Operating

Headcount range

101–250 employees

Short description

SEFE Energy GmbH is the German sales arm of government-owned SEFE Group, supplying natural gas, power, hydrogen, biomethane, and dark fibre infrastructure to over 50,000 municipal utilities, industrial customers, and power plant operators across Germany, Belgium, and the Netherlands.

Ownership category

akta.pro rank

Product category

Energy Supply and Trading

NAICS

Electric Power Generation, Transmission and Distribution (2211)

SIC

Natural Gas Transmisison & Distribution (4923), Electric Services (4911), Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

C&I Multi-Site & Cross-Border Supply (Portfolio/Meter Management) (EUAGACAK)

akta.pro secondary industries

C&I Renewable Supply & Green Tariffs (Bundled RE, Sleeves, Utility Green Tariffs) (EUAGACAE), Utility Fiber Backbone & Transport Networks (OTN/MPLS, DWDM) (EUADAIAA)

Keywords

• Natural gas supply
• Electricity trading
• Hydrogen solutions
• Biomethane supply
• Dark fibre infrastructure

Headquarters

HQ city

Kassel

HQ country

Germany

HQ region

Europe

Offices8 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Natural Gas Supply: SEFE Energy supplies customised natural gas solutions to industrial companies, power plant operators, municipal utilities (Stadtwerke), and natural gas traders. Supply is tailored to customer needs with a focus on security, flexibility, and efficiency. Sourcing is from various European trading points/hubs including Norway and Qatar.
2. Electricity Supply: SEFE Energy is active in power trading and offers access to standard trading products in the German market. The company is expanding its power portfolio to offer more flexibility and choice to partners, building the foundation for long-term energy partnerships.
3. Hydrogen: SEFE Energy creates connections between hydrogen production centres and industrial sites, developing partnerships worldwide to make low-carbon hydrogen available at industrial scale. Supports customers' energy transition and sustainable value chains.
4. Biomethane: SEFE offers Europe-wide available biomethane as an immediately deployable, climate-friendly energy source. With broad market and country presence, flexible procurement options, and long-standing trading expertise, SEFE ensures high supply security and planning reliability. Biomethane is certified under ISCC-EU and meets EU Renewable Energy Directive (RED II and RED III) requirements.
5. Dark Fibre & Digital Infrastructure: SEFE Energy provides dark fibre solutions, technical rental spaces with modern infrastructure, and broadband connections across Germany. The fibre network spans approximately 8,500 kilometres and serves companies, municipal utilities, and telecommunications providers.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

SEFE Energy GmbH is a B2B energy supplier that provides tailored natural gas, electricity, hydrogen, and biomethane solutions to municipal utilities, industrial companies, power plant operators, and energy traders across Europe. The company additionally operates an approximately 8,500 km dark fibre network offering dedicated fibre connections, technical rental spaces, and broadband connectivity. Value-added services include customer portals for contract and nomination management, market reports, emissions trading support, and REMIT reporting.

Product overview

SEFE Energy GmbH offers an integrated energy portfolio centered on five core products: Gas (natural gas supply), Power (electricity trading), Hydrogen (low-carbon hydrogen solutions), Biomethane (sustainable biomethane), and Dark Fibre (fiber optic infrastructure spanning 8,500 km). The company operates as the German sales arm of SEFE Group, supporting municipal utilities, industrial customers, and power plant operators across Germany, Belgium, and the Netherlands. Value-added services include the Customer Portal for contract and invoice management, a Sales Desk combining trading and execution capabilities, Market Reports providing weekly and daily market intelligence, Emissions Trading Support for EU-ETS compliance, and REMIT Reporting services for regulatory compliance.

Differentiator

Problem solved

Functional benefit

Brands

• SEFE: SEFE Group - international energy company ensuring security of supply and driving decarbonization
• WINGAS

Products and services

• Natural Gas (Erdgas) Supply Tailored natural gas solutions for industrial companies, power plant operators, municipal utilities, and natural gas traders, providing secure, flexible, and efficient gas supply with extensive market expertise.
• Electricity (Strom) Supply Standard trading products for the German power market, including electricity supply and trading solutions that complement the established gas portfolio.
• Hydrogen (Wasserstoff) Solutions Low-carbon hydrogen solutions connecting hydrogen production centres with industrial sites, supporting customer energy transition and sustainable value chains.
• Biomethane (Biomethan) Supply Europe-wide biomethane supply as a climate-friendly, immediately deployable energy source, certified under ISCC-EU and meeting EU RED II and RED III requirements, with flexible procurement options and long-standing trading expertise.
• Dark Fibre Infrastructure Dark fibre solutions, technical rental spaces with modern infrastructure, and broadband connections across Germany, leveraging an approximately 8,500 km optical fibre network operated since 1996.
• Market Reports Weekly market reports covering German and European commodity markets, daily Dutch ICE Settlement Reports on TTF market developments, and energy market updates supporting customer decision-making.
• Emissions Trading Support Advisory and product solutions for EU-ETS, ETS 2, and national emissions trading systems (nEHS/BEHG), including CO2 certificate trading and compliance support for customers.
• REMIT Reporting Reporting service for compliance with REMIT (Regulation of Energy Market Integrity and Transparency), enabling market participants to report energy trading transactions to ACER.

Quantifiable outcome

• Over 50,000 customers served across Europe
• +3 more outcomes

Named customers5 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Five partnerships are on record, tiered core and minor.

• PfalzgascoreStrategic or Co-development Partner · 24 June 2025SEFE and Pfalzgas extended their natural gas purchase contract until 2027 and signed a Memorandum of Understanding regarding future hydrogen deliveries. This expands their partnership to include hydrogen, supporting Pfalzgas's decarbonisation goals.
• ConocoPhillipsStrategic or Co-development Partner · 23 October 2024SEFE Securing Energy for Europe and ConocoPhillips entered into a new long-term natural gas agreement, under which first gas deliveries were successfully completed in October 2024. This partnership strengthens SEFE's diversified supply portfolio and ensures long-term gas supply for its European customers.
• WIGA (GASCADE and NEL)coreOthers · 30 August 2024WIGA is owned by SEFE following full acquisition of the 50.02% stake previously held by Wintershall Dea. WIGA owns gas network operators GASCADE (3,710 km Germany-wide pipeline) and NEL (441 km northern European pipeline). Total network length approximately 4,150 km. Over 500 employees. Networks are key for European energy security and hydrogen transition.
• Wintershall DeaminorOthers · 26 March 2024Wintershall Dea was the previous joint venture partner holding 50.02% stake in WIGA. SEFE acquired this stake to become sole shareholder of WIGA (containing GASCADE and NEL gas networks). Transaction completed August 2024.
• VERUM Energy Services GmbH (GW Wirtschafts GmbH)minorOthersGW Wirtschafts GmbH (Gas Wasser) logo appears as a partner on the SEFE Energy website footer. The company is referenced at gas-h2.de.

Scale indicators7 records

Recent moves8 records

Expansion highlights6 records

Broad incumbents

• E.ON SE: Germany's largest distribution and customer-facing utility with deep relationships with municipal utilities (Stadtwerke) and industrial customers. Overlaps with SEFE's B2B supply and energy services franchise.
• TotalEnergies SE: Global integrated energy major with substantial European gas/power trading, biomethane, and hydrogen development. Comparable as a broad incumbent expanding into the same decarbonisation product set as SEFE.
• RWE AG: German integrated utility with large-scale power generation, trading, and renewable/hydrogen ambitions. Comparable to SEFE's expanding power-trading and hydrogen activities, and a potential partner for cross-border supply.
• EnBW Energie Baden-Württemberg AG: Major German integrated utility with generation, trading, and B2B supply, plus a hydrogen roadmap. Comparable to SEFE Energy as a domestic incumbent competing for industrial and municipal customers in gas and power.
• EDF (Électricité de France): French state-owned integrated utility with European B2B energy supply, hydrogen, and significant fibre/telecom infrastructure via its subsidiaries. Comparable as a state-backed European energy company addressing industrial decarbonisation.
• Vattenfall AB: Swedish state-owned utility with B2B energy supply, hydrogen, and German market exposure. Comparable due to state ownership profile, European footprint, and parallel decarbonisation agenda.

Direct peers

• VERBUND AG: Austrian integrated energy company with hydropower, hydrogen activities (VERBUND Green Hydrogen GmbH — where SEFE's CSO previously served as MD), and cross-border trading. Comparable for hydrogen and Central European B2B supply.
• Shell Energy Europe: European B2B energy marketing and trading arm of Shell, supplying gas, power, and increasingly low-carbon products to industrial customers. Directly comparable in trading, structured products, and customer segments.
• Statkraft AS: Norwegian state-owned energy company and Europe's largest generator of renewable energy, with an active European B2B trading and origination desk. Comparable due to state ownership, European trading scale, and renewable/hydrogen focus.
• Uniper SE: German state-owned (Federal Republic) energy company that was also nationalised following the 2022 Russia crisis. Uniper has a comparable portfolio of gas/power trading, hydrogen build-out, and serves European industrial and municipal customers — making it the closest structural and strategic comparator to SEFE Energy.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/sefe-energy-gmbh

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 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 SEFE Energy GmbH