Enapter

What Enapter does

Enapter is a Berlin- and Pisa-based (registered HQ in Crespina Lorenzana, Italy) manufacturer of green hydrogen electrolyzers based on its proprietary Anion Exchange Membrane (AEM) electrolysis technology, which originated at Italian R&D firm ACTA S.p.A. beginning in 2009 and was acquired by Enapter in 2017. The company's modular product portfolio spans from the kW-scale AEM Electrolyzer EL 4 (producing ~1.08 kg H2/day) through the mid-range AEM Flex 120 (70–480 kW) to the multi-megawatt AEM Nexus line and the newly launched Nexus 2500 multicore unit, with the EMS Toolkit and CoreKraft AI-powered digital platform providing system integration and optimization. Enapter differentiates its AEM technology against PEM (no iridium, no PFAS membranes) and alkaline (faster load-following) competitors through a focus on cost-efficiency, regulatory resilience, and operational flexibility.

Enapter operates a pure B2B, partner-channel go-to-market model, selling exclusively through a tiered network of Core Partners, Single-Core certified partners, service partners, and strategic partners who integrate Enapter stacks into complete hydrogen systems under their own brands. The CoreKraft platform, reference designs, training, and certification are provided to enable partners, while revenue is generated through hardware sales (AEM electrolyzers) and technology licensing. Key strategic relationships include the Wolong Enapter Joint Venture (China megawatt production, October 2024), Total Hydrogen Solutions (U.S. Core Partner, March 2026), DRIFT Energy (marinised offshore electrolyser, March 2026), and Adsensys (Netherlands, October 2024).

The company serves industrial, mobility, energy storage, and power-to-X end markets through its partners, with deployed systems in 55+ countries, 375+ clients, 12,000+ stacks delivered, and 2.5 million field operating hours. The German operating subsidiary, Enapter AG, is listed on the Frankfurt Stock Exchange (ticker H2O) and operates a mass-production facility in Saerbeck, Germany, supported by €9.3 million in North Rhine-Westphalia government grant funding, with a target capacity of 10,000 electrolyzer units per month.

Name

Enapter

Legal name

Enapter S.r.l.

Website

https://enapter.com

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

101–250 employees

Short description

Enapter manufactures modular AEM (Anion Exchange Membrane) electrolyzers for green hydrogen production, serving industrial, mobility, energy storage, and power-to-X end markets exclusively through a tiered global network of B2B Core Partners and system integrators.

Ownership category

akta.pro rank

Product category

Hydrogen Electrolyzers

NAICS

Electric Power Generation (22111)

SIC

Electrical Industrial Apparatus (3620)

akta.pro primary industry

Energy Storage Software & Controls (EMS, monitoring, optimization, cybersecurity) (IMAGAHAJ)

akta.pro secondary industry

EMS / SCADA / DERMS Controls Integration for Storage (EUAEAEAG)

Keywords

• AEM electrolyzers
• Green hydrogen production
• Hydrogen energy systems
• Electrolysis technology
• Energy management software

Headquarters

HQ city

Berlin

HQ country

Germany

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. AEM Electrolyzer Hardware Sales: Enapter manufactures and sells AEM electrolyzers including EL 4, AEM Flex 120, and AEM Nexus product lines. Products are sold through a B2B model exclusively to partners and system integrators who then build complete hydrogen solutions for end customers. The company focuses on scalable, modular systems that can be stacked for larger installations.
2. Technology Licensing to Partners: Enapter provides AEM stacks, reference designs, and technology licensing to Core Partners who integrate the technology into their own branded electrolyzer systems. Partners like Total Hydrogen Solutions and the Wolong Enapter JV pay for access to Enapter's technology and intellectual property.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels8 records

Core offering

Enapter designs, manufactures, and sells Anion Exchange Membrane (AEM) electrolyzers that turn renewable electricity and water into green hydrogen. Its modular product line scales from kW-class units (AEM Electrolyzer EL 4) through mid-range systems (AEM Flex 120, 70–480 kW) up to multi-megawatt installations (AEM Nexus / Nexus 2500), complemented by the EMS Toolkit energy management software and the AI-powered CoreKraft digital platform.

Product overview

Enapter offers a modular AEM (Anion Exchange Membrane) electrolyzer product portfolio that scales from kW to multi-megawatt applications. The core products include the AEM Electrolyzer EL 4 (entry-level, kW-scale), AEM Flex 120 (mid-range, 70-480 kW), and AEM Nexus (large-scale, 500 kW to multi-megawatt). The EL 4 serves as the foundational modular unit that can be stacked for larger capacity needs. All products use Enapter's proprietary AEM technology and are supported by the company's Energy Management System (EMS) Toolkit for system integration and control.

Differentiator

Problem solved

Functional benefit

Brands

• AEM Electrolyzer EL 4: kW-scale electrolyzer for small to medium hydrogen production applications
• AEM Flex 120
• AEM Nexus
• AEM Nexus 2500
• CoreKraft
• EMS Toolkit

Products and services

• AEM Electrolyzer EL 4 Entry-level kW-scale AEM electrolyzer that produces 1.0785 kg of high-purity hydrogen per day at 3.0 kW max power consumption. Available in AC, DC, air-cooled, and water-cooled variants; ISO 22734 certified. Designed for partners and system integrators needing modular, short-lead-time hydrogen production units.
• AEM Flex 120 Flexible mid-range AEM electrolysis system for streamlined deployment of green hydrogen projects, customisable from 70 kW to 480 kW. Sold to commercial and industrial hydrogen project developers.
• AEM Nexus Large-scale responsive AEM electrolyzer for projects from 500 kW to multi-megawatts, enabling scaling of green hydrogen production for industrial, utility, and energy infrastructure customers.
• AEM Nexus 2500 Multi-core expansion of the AEM Nexus line for multi-megawatt hydrogen production, extending Enapter's industrial-scale offering for partners and large project developers.

Quantifiable outcome

• Price reduction of up to 35% for partners ordering 400+ units vs previous generation
• +3 more outcomes

Named customers5 records

Segments6 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

AI capability2 records

Feature8 records

Partnerships

Four partnerships are on record, tiered core, strategic and flagship.

• Total Hydrogen Solutions (THS)coreChannel Partner/ Reseller/ Distributor · 17 March 2026U.S.-based hydrogen division of Pneumatic & Hydraulic Company LLC, now Enapter's fifth global Core Partner. THS integrates Enapter's AEM stacks, reference designs, and AI-powered CoreKraft digital platform into electrolyzer systems sold under the THS brand for the U.S. market. THS operates projects in Canada and Virginia and plans to expand into multi-megawatt hydrogen applications for industrial customers and energy infrastructure projects.
• DRIFT EnergystrategicStrategic or Co-development Partner · 4 March 2026Collaboration to develop a marinised AEM electrolyser for producing green hydrogen at sea. Partnership formalized at Enapter's production facility in Pisa, Italy. Will accelerate development of DRIFT's energy storage technology to support its order book of over 30 energy ships and enable offshore hydrogen production for maritime and offshore wind applications. First marinised electrolyser unit expected in 2027.
• Adsensys B.V.coreChannel Partner/ Reseller/ Distributor · 29 October 2024Dutch energy company became Enapter's first Core Partner. Deploys AEM electrolyzers in Dutch energy projects as part of Enapter's European partner network expansion.
• Wolong Enapter Joint VentureflagshipStrategic or Co-development Partner · 11 October 2024Strategic joint venture for serial production of AEM megawatt electrolyzers in China. Joint venture launched series production and Enapter JV Board member Jan-Justus Schmidt oversees operations. Enables large-scale manufacturing capacity in Asian markets.

Scale indicators8 records

Recent moves10 records

Expansion highlights6 records

Direct peers

• Nel ASA: Norwegian manufacturer of PEM and alkaline electrolyzers for green hydrogen production, with a comparable global commercial footprint and product portfolio ranging from small-scale to multi-MW. Closest like-for-like competitor to Enapter's AEM stack platform.
• ITM Power: UK-based PEM electrolyzer manufacturer serving industrial decarbonization, power-to-gas, and mobility customers globally. Competes with Enapter for the same industrial green-hydrogen offtakers and is pursuing mass-manufacturing scale.
• Plug Power: U.S. PEM electrolyzer and fuel cell company targeting industrial, mobility, and utility-scale hydrogen customers. Overlaps with Enapter's product roadmap at the multi-MW scale and competes for U.S. green-hydrogen project pipeline.
• McPhy Energy: French electrolyzer manufacturer producing both alkaline and PEM systems for industrial, energy, and mobility applications. Comparable European-headquartered peer competing for similar industrial decarbonization customers.
• Sunfire: German alkaline and solid oxide (SOEC) electrolyzer developer serving industrial decarbonization and power-to-X applications. Direct European peer competing for the same industrial and Power-to-X offtake opportunities.
• thyssenkrupp Nucera: German alkaline electrolyzer specialist supplying large-scale hydrogen plants to industrial and utility customers globally. Competes directly with Enapter's Nexus multi-MW product for utility-scale green-hydrogen projects.
• John Cockerill: Belgian industrial group with a dedicated electrolyzer business manufacturing alkaline hydrogen production systems. Overlaps with Enapter on industrial-scale green hydrogen projects, particularly in Europe.

Broad incumbents

• Siemens Energy: Global energy technology incumbent offering its Silyzer PEM electrolyzer alongside a broad portfolio of power generation, grid, and industrial solutions. Competes with Enapter for utility-scale hydrogen projects but as part of a much wider portfolio.
• Cummins (Accelera): U.S. industrial incumbent that has commercialized PEM electrolyzers and fuel cells through its Accelera segment, targeting industrial, rail, and heavy-mobility customers. Overlaps with Enapter on electrolyzer hardware and U.S. project pipeline.

Emerging players

• Electric Hydrogen: U.S.-based PEM electrolyzer start-up focused on low-cost, large-scale green hydrogen for industrial customers. Competes with Enapter in the same industrial-scale use cases with a more capital-funded PEM-centric roadmap.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/Enapter
• GitHubgithub.com/Enapter
• YouTubeyoutube.com/channel/UChWhcLokk1R2U78JJXemcFA
• Facebookfacebook.com/enapterenergystorage
• LinkedInlinkedin.com/company/enapter
• Instagraminstagram.com/enapter

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries2 records

Funding overview

Funding rounds9 records

Investors3 records

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 Enapter