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sonnen GmbH Tech Stack

Energy storage and virtual power plant platform for distributed renewable generation

Utilities Wildpoldsried, Bavaria 501–1,000 employees Founded 2010 Privately Held

Sonnen manufactures and operates battery storage systems and virtual power plant software for residential and commercial solar deployments. The company is consolidating on SAP (FI/CO, S/4HANA, SuccessFactors) across finance, operations, and HR — a infrastructure play that suggests scaling from a hardware-centric startup into an enterprise software and energy services operator. Hiring is broad across finance (collections expansion, controlling structure build-out), engineering, and sales, indicating simultaneous pushes into grid services revenue and operational efficiency.

Tech Stack 12 technologies

Core StackSAP S/4HANA SAP SAP SuccessFactors Salesforce SAP FI/CO Excel Microsoft Office Wallbox SAP Concur

What sonnen GmbH Is Building

◆Challenges

Rising electricity prices
Reducing process bottlenecks
Decentralized flexibility integration
Developing controlling structures in sap
New system developments
Implementing sap successfactors modules
Reducing dependence on fossil fuels
Ensuring competitive cost and performance structure
Dependency on fossil fuels
Ensuring product compliance

▲Active Projects

Sonnenvpp
Consolidated sap blueprint rollout
Expanding collections responsibilities to sonnen group
Sap successfactors module implementation
New system development
Travel expense processing
Co2 emissions reporting
Sales strategy development
Implementing group-wide sap blueprint
Pv system connection

Hiring Activity

Accelerating25 roles · 10 in 30d

Department

Finance

5

Ops

5

Engineering

4

Sales

3

Support

3

Executive

2

HR

1

Seniority

Mid

9

Junior

5

Senior

3

Lead

2

C-Level

1

Director

1

Intern

1

Manager

1

Notable leadership hires: Managing Director

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About sonnen GmbH

Sonnen GmbH, founded in 2010 and headquartered in Wildpoldsried, Bavaria, manufactures battery storage systems and operates a virtual power plant platform (sonnenvpp) that aggregates distributed solar and storage capacity. The company sells to residential and commercial customers seeking energy independence and renewable self-consumption. Operationally, the company is 501–1,000 people, primarily in Germany with growing U.S. presence, and is managing product compliance, CO2 emissions reporting, and a shift from hardware sales into grid-aggregation services and energy management software. Current pain points center on cost competitiveness, process bottlenecks in decentralized flexibility integration, and building controlling and compliance structures necessary for a maturing energy utility.

HeadquartersWildpoldsried, Bavaria

Company Size501–1,000 employees

Founded2010

Hiring MarketsGermany, United States

Frequently Asked Questions

What is sonnen's core technology?

Sonnen manufactures residential and commercial battery storage systems integrated with a virtual power plant platform (sonnenvpp) that aggregates distributed solar generation for grid services and self-consumption optimization.

Where is sonnen headquartered?

Sonnen is headquartered in Wildpoldsried, Bavaria, Germany. The company has approximately 501–1,000 employees and is actively hiring in Germany and the United States.

What ERP system does sonnen use?

Sonnen uses SAP S/4HANA and SAP FI/CO for financial management, SAP SuccessFactors for HR, and Salesforce for customer relationship management. The company is currently rolling out a consolidated SAP blueprint across the group.