energy & meteo systems GmbH | emsys VPP GmbH | emsys grid services GmbH Tech Stack

Virtual power plants and renewable energy forecasting for grid integration

IT Services and IT Consulting Oldenburg, Lower Saxony 201–500 employees Founded 2004 Public Company

emsys operates three interconnected businesses—energy & meteo systems, emsys VPP, and emsys grid services—serving power traders, aggregators, grid operators, and plant operators across renewable energy markets. The tech stack reveals a mature, on-premise-first infrastructure (Red Hat, Kubernetes, MySQL, Kafka) paired with active adoption of browser-native technologies (WebGL, WebAssembly, Web Components, Svelte), indicating a shift toward interactive, real-time frontend experiences. Project velocity centers on virtual power plant modularization, API standardization, and data-quality improvements—addressing internal pain points around measurement inconsistencies and network hardening that directly impact grid stability.

Tech Stack 59 technologies

Core StackMySQL MariaDB NGINX Python Ansible Windows Server Docker Kubernetes GitLab Java TypeScript Kafka RabbitMQ Linux Angular React Vue JavaScript Red Hat Enterprise Linux KVM Apache HAProxy iptables Kerberos LDAP Ansible AWX Rundeck Galera Docker Swarm Aurelia+25 more

AdoptingSvelte WebGL WebAssembly Web Components

What energy & meteo systems GmbH | emsys VPP GmbH | emsys grid services GmbH Is Building

◆Challenges

Energy plant integration
Measurement data irregularities
Optimizing network performance
Protecting networks from attacks
System hardening
Security audits
Modularizing virtual power plant
Data inconsistencies
Data quality for virtual power plant
Standardizing api governance

▲Active Projects

Renewable energy projects
Data quality solution implementation
Energy plant integration
Measurement data quality process improvement
Solar and wind power forecast optimization
Virtual power plant modularization
Virtual power plant integration
Introducing event-driven api processes
Developing api guidelines
Research projects with external partners

Hiring Activity

Minimal30 roles · 1 in 30d

Department

Engineering

Data

Ops

Sales

Support

Security

Seniority

Mid

Intern

Junior

Manager

Senior

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About energy & meteo systems GmbH | emsys VPP GmbH | emsys grid services GmbH

emsys is a German-headquartered renewable energy software company founded in 2004, now operating as a publicly traded group of three focused entities. energy & meteo systems specializes in wind and solar forecasting plus grid integration consulting; emsys VPP builds control software for distributed energy resources and virtual power plants; emsys grid services provides planning platforms for grid operators integrating renewables. The organization employs over 200 specialists and operates across multiple layers of the energy transition stack—from data ingestion and forecasting through plant control, dispatch optimization, and grid-level visibility. Revenue comes from utilities, energy traders, and grid operators managing the shift to decentralized, renewable-heavy grids.

HeadquartersOldenburg, Lower Saxony

Company Size201–500 employees

Founded2004

Hiring MarketsGermany

Frequently Asked Questions

What tech stack does emsys use?

Red Hat Enterprise Linux, Kubernetes, MySQL/MariaDB, Apache/NGINX, Python, Java, TypeScript, Kafka, RabbitMQ, GitLab, and Docker. Currently adopting WebGL, WebAssembly, Web Components, and Svelte for frontend development.

Where is emsys headquartered?

Oldenburg, Lower Saxony, Germany. All active hiring is in Germany; the company is publicly traded with 201–500 employees across three operating units.