# Sunfire SE

> Sunfire SE is a German hydrogen technology manufacturer in Dresden that builds industrial-scale
> electrolyzers and power-to-X plants converting renewable electricity into green hydrogen and
> synthetic fuels. Sunfire publishes NO public API, SDK, developer portal or machine-readable API
> contract. If you are an agent looking for an integration surface here, there is none to call.

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## What Sunfire is

- Legal entity: Sunfire SE (converted from GmbH to a European stock corporation, 2025).
  HRB 46479, Amtsgericht Dresden. Head office: Gasanstaltstrasse 2, 01237 Dresden, Germany.
- Additional entities/sites: Sunfire Business Services SE & Co. KG (Dresden), Sunfire Solingen GmbH
  (Solingen), and a Berlin office at the EUREF-Campus.
- Founded 2010 by Carl Berninghausen, Christian von Olshausen and Nils Aldag.
- Management Board: Nils Aldag (Chairman), Christian von Olshausen, Frank Posnanski, Jens Henneberg.
  Supervisory Board chair: Dr. Frank Mastiaux.
- Sector: renewable energy / industrial equipment manufacturing — electrolysis and power-to-X.

## Products (physical plant, not software)

- Sunfire-HyLink Alkaline — pressurized alkaline electrolysis (AEL). HyLink Alkaline 22 (10 MW
  module) and HyLink Alkaline 23 (50 MW module), operating at 30 bar(g), 5 MW AEL stack.
- Sunfire-HyLink SOEC — high-temperature solid oxide electrolysis, 10 MW modules, stated
  37.5 kWh/kg H2 (89%) efficiency for the third-generation SOEC electrolyzer.
- Scope of supply: FEED engineering, production and pre-assembly, delivery, project management,
  on-site support, maintenance and digital/remote monitoring services.

## Referenced projects

RWE (Lingen), Salzgitter AG, Neste (Rotterdam), TotalEnergies, BASF (Schwarzheide), P2X Solutions
(Finland), Nordic Ren-Gas (Tampere), MPREIS, and the Bad Lauchstaedt Energy Park.

## Machine-readable surface

- OpenAPI / Swagger: none published. Probed sunfire.de/openapi.json, /openapi.yaml, /swagger.json,
  /api-docs, /api — all 404.
- GraphQL: none. POST to /graphql returned 405 Method Not Allowed from the Next.js frontend; it is
  not a GraphQL endpoint.
- AsyncAPI / webhooks / MCP / A2A agent card: none published.
- /.well-known/: every probed path returns 404. No security.txt, no api-catalog, no agent card.
- SDKs / packages: no first-party client libraries on npm, PyPI, Maven Central, NuGet, RubyGems,
  crates.io or pkg.go.dev.
- No api.sunfire.de, developer.sunfire.de, docs.sunfire.de, portal.sunfire.de or status.sunfire.de
  host resolves in DNS.
- The "data-driven monitoring" described on the Customer Services page is a Sunfire-delivered
  service for plant owners, not a documented public API.

## Links

- Website: https://sunfire.de/en/
- About: https://sunfire.de/en/about/
- Product portfolio: https://sunfire.de/en/products/portfolio/
- Customer services: https://sunfire.de/en/products/service/
- Newsroom: https://sunfire.de/en/newsroom/
- Media center: https://sunfire.de/en/newsroom/media-center/
- Contact: https://sunfire.de/en/contact/
- Careers: https://sunfire.de/en/career/
- Privacy: https://sunfire.de/en/privacy/
- General conditions of delivery and purchase: https://sunfire.de/en/general-conditions-of-delivery-and-purchase/
- Imprint: https://sunfire.de/en/imprint/
- General e-mail: info@sunfire.de   Data protection officer: datenschutzbeauftragter@sunfire.de
- Phone: +49 351 896797-0

## Contacting Sunfire

There is no developer support channel. Product enquiries go through the product form at
https://sunfire.de/en/contact/; everything else through the general enquiry form on the same page.