Battery Energy Storage System Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used Battery Energy Storage System
Christian Baudisch
Last position:
External Commercial Advisor / Project Manager at Global automotive supplier for press and stamped parts
Automotive | Manufacturing | Commercial Excellence
- Analyzed sales strategy, product/market positioning, customer portfolio, acquisition approach, sales funnel, opportunity quality, and conversion.
- Developed a prioritized sales roadmap with quick wins and structural measures for target customers, pipeline, roles, routines, and management reviews.
Stefan Niederhofer
Last position:
Managing Director at Unisource GmbH
- Project management for commercial and industrial BESS, rooftop PV and hydrogen systems (up to 20 MW) in the DACH region
- AC- and DC-Engineering (low-, medium- and high voltage)
- Management of all project phases: technical assessment, concept and implementation planning, creation and review of service specifications, coordination of planning participants, schedule and budget control
- Coordination with grid operators (NVPs, VDE-AR-N 4105/4110/4120, TABs, EAAV) and authorities
- Overarching interface management between customers, suppliers, and subcontractors
- Ensuring quality, professional due diligence, adherence to deadlines, and cost efficiency
Holger Beck
Last position:
Consultant for development support topics and standards at TeDiMoS GmbH
- Standards research "Product-/project-related for speed-controlled pumps".
- Support of internal development departments on standards issues nationally and internationally.
- Creation and maintenance of internal standards and test plans.
- Generation of technical requirements from normative specifications.
- Collaboration with authorities.
- Coordination with associations and organizations/authorities (VDE, UL, notified body EMC test).
Michael Ulrich
Last position:
Senior Scrum Master/Agile Coach for Automated Driving at the Plant at BMW
- Analyzing and evaluating established corporate tools (Jira, Confluence, MS Teams, MS Planner, MS Project)
- Process redesign, transition support for external backend service providers
- Developing target agreements for the production plants involved worldwide
- Coordinating cross-functional requirements from plant teams and creating timelines with dedicated milestones (Gantt charts, etc.)
- Redesigning the project scope in Jira/Confluence and training in agile methods
- Carrying out requirements analyses and detailed development according to the V-model (project management)
Dirk Nold
Last position:
Interim Vice President Procurement at Kaiser+Kraft GmbH
- B2B retailer for business equipment
- Revenue €590m, 1,450 employees (2024)
- Procurement volume €350m, 3 departments / 20 employees, locations in Germany, Italy, Sweden, Poland, Czech Republic
- Lead of the "Beat" project to achieve COGS savings / extend payment terms / reduce minimum order quantities, reporting on target achievement
- Increased collaboration with category management & warehouses
- Training & coaching for department heads / strategic buyers
Sven Rösner
Last position:
Project Manager for Large Contracts on Temporary Assignment at Atlas Titan GmbH / ENGIE Deutschland GmbH
- Conducting concept and design planning in the acquisition phase (energy generation, e.g. BESS and industrial plants under EPC contracts)
- Serving as the link for all communication with sales, customers, suppliers, and branch offices
- Estimating costs and setting budgets for industrial plants (hot gas generators, battery storage, hydropower plants, etc.) with CAPEX up to €100M
Dirk Rosenstock
Last position:
Interim CCO, Chief Commercial Officer at LADE GmbH
defining product/market fit and strategic positioning including ramp-up planning
designing, implementing & optimizing target-group-oriented marketing activities
strategic alignment of sales & digitalization as well as process optimization (CRM: HubSpot, ERP: weclapp)
developing new markets & partners as well as operational sales of charging solutions including key account management
tripling revenue compared to the previous year and building an AE funnel of over €4 million
increasing sales efficiency through clear prioritization of leads, customers and partners as well as centralizing sales work in one CRM (HubSpot)
introducing partner management
recruiting new employees, building and leading a sales team including necessary processes and preparing handover to the successor
Josu Egea
Last position:
Managing Director Germany / Country Manager at Greening Solar GmbH & GEG Greening Energy Generation GmbH
- Responsible for sales, customers, organization, and business development in Germany
- Managing over 40 employees in Germany and Spain
- Steering large-scale EPC projects (PV and BESS plants)
- Building a project portfolio (PV, wind, BESS, hybrid) with a target of 400 MW RtB by 2030
- Revenue and earnings responsibility: approx. €25 million (2025) and approx. €50 million (2030)
- Leading interdisciplinary and multicultural teams in technically and regulatory challenging projects
Mohammed Alsaadi
Last position:
Consultant: Senior Power System Engineer at DEME, CWD, DERlab, LifePower
- TSO, DSO grids simulation and analysis
- Grid design integration of 3.4 GW RES and 400 MW of BESS for a large-scale green hydrogen plant
- Grid connection requirements for RES and BESS connection (50kW - 1MW)
- Requirements for providing Ancillary Services to the TSO from the flexible assets
- Expertise in Pre-FEED/FEED studies, EPC tender preparation, bid evaluation, and supplier negotiations for HV/MV substations and renewable integration projects
- Support for EPC design reviews, technical documentation, and FAT/SAT supervision across solar, wind, and hybrid energy systems
Juergen Scheele
Last position:
Founder & Freelance Consulting Engineer at Juergen Scheele - Freelance Consulting Engineer | Electrical Safety & HVDC Systems
I provide high-value consulting services to automotive and energy industry clients, specializing in electrical safety, fault protection, and HVDC system integration.
My work helps engineering teams develop safer, standards-compliant, and more efficient products—faster.
Core Services:
Electrical safety & fault detection (DC, arc/ground (earth) faults)
HVDC protection strategies & component evaluation
Development-phase technical consultancy (fuses, PSMs, SSRs)
Custom workshops and team enablement
Who I Work With:
Tier 1–3 automotive suppliers
EV system OEMs
Renewable energy & battery storage integrators
Stefan Simrock
Last position:
Business Analyst at Large municipal utility
- Conducting business analysis for battery energy storage systems and their marketing (BESS)
- End-to-end view of optimization and marketing processes including sales, technical qualification, implementation, optimization, marketing, billing, and cross-functional processes
- Designing and facilitating workshops with business units
- Preparing, aligning, and anchoring requirements
- Transitioning to the solution design phase and mapping requirements to IT solutions
Rüdiger Schüller
Last position:
Interim Manager / Self-employed Engineer at E.M.S - Engineering & Management Service GmbH
- C-level support, director, senior management and R&D/BU lead roles
- Strategic and operational corporate management and development
- Strategic and technical product and total system development
- Overall project and multi-project management
- Medtech, automotive, plant and special machinery construction, hydrogen/fuel cell
- Project planning and implementation of alternative energy solutions (PV, wind, hydro) including energy storage and trading
- Consulting and implementation of alternative drive solutions
- Development and project coordination from idea to implementation
- Leading and coordinating interdisciplinary and international teams and BU interface communication
- Customer support and development of customer-specific solutions
- Sizing, development and selection of required components
- Development, planning and assembly of solutions in special machinery and alternative energy and drive technology
Hans-Dieter Göttlich
Last position:
Consulting Engineer at Ingenieurbüro HDG
- Consulting, design, grid planning, and grid construction for electrical networks.
- Carrying out feasibility checks and analyses, system concepts, condition assessments, and determination of the power balance.
- Calculating cable cross-sections, creating technical checklists, and carrying out quality and visual inspections.
- Focus on the sectors of multi-family homes, business centers with underground garages, industrial parks, supermarkets, hotels, high-rise buildings, and hospitals.
- Creating feasibility analyses, grid connection checks, and approval procedures for charging infrastructure and EE systems.
- Project management for certification processes in the field of PV systems, solar parks, and battery energy storage systems (BESS).
- Charging infrastructure planning based on building, technical, electrical, economic, and legal requirements.
- Carrying out grid calculations and simulations including load flow, short-circuit, and harmonic analyses.
- Use of planning tools such as SIMARIS design, SIMARIS project, hagerCAD, Caneco ONE, and EPLAN Electric P8.
- Coordinating grid connection activities with grid operators and authorities to ensure connection technology.
- Carrying out certifications of electrical systems in accordance with VDE-AR-N 4105 and 4110.
- Developing IoT solutions and intelligent grids (smart grid technology, concepts, and architectures).
Dominic Multerer
Last position:
Interim Digital Business Lead / DVS Owner – Large Scale Segment at SMA Solar Technology AG
- Established SMA’s digital business unit in Large Scale targeting €100M+ incremental revenue
- Owned six mission-critical digital products across plant connectivity, asset monitoring and advanced analytics for PV, BESS and H2 infrastructures
- Architected and operationalized the global digital strategy to enhance €1B hardware core with scalable software monetization models
- Negotiated and launched a global strategic technology partnership with co-development roadmap and recurring revenue share framework
- Built and led a cross-functional team across product, engineering and commercial disciplines; aligned global executive stakeholders
Mehmet Atalay
Last position:
Automation Engineer at Ju:niz Energy
- Developing and implementing automation solutions for PLC programming in Battery Energy Storage Systems (BESS).
- Conducted thorough analysis and debugging of control systems to enhance performance and reliability.
- Upgraded software and communication protocols.
- Collaborated with cross-functional teams to optimize HMI interfaces, improving user experience and operational efficiency.
Discover over 15,000 top freelancers
Statistics of experts using Battery Energy Storage System
Aggregated from the professional profiles of matched freelancers.
Experience
25 years
Position duration
2.5 years
Positions per freelancer
13
Top business areas
Project Management, Operations, Product Development
Top industries
Energy, Automotive, Manufacturing
Certification focus areas
Project Management, Human Resources, Quality Assurance
Bachelor's degree or higher
100%
Master's degree or higher
36%
Doctorate
14%
Certifications per freelancer
2
Most common languages
German, English, Spanish
Speak two or more languages
100%
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Germany using Battery Energy Storage System
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
What it covers
Battery Energy Storage System work covers the planning, integration, and operation of storage assets that hold electricity for later use. It includes containerised systems, control logic, safety design, and grid interface work. In Germany, these projects often support solar and wind balancing, peak shaving, and backup power.
Typical deliverables
- Site and load analysis
- System sizing and configuration
- EMS and SCADA integration
- Commissioning and test support
- Operations and maintenance handover
Strong specialists turn a concept into a working storage asset that fits the electrical network, the site, and the operating target. They also document settings, alarms, and procedures so teams can run the system safely after go-live.
Core ecosystem
Battery Energy Storage System projects often touch batteries, inverters, battery management systems, EMS, SCADA, and grid protection equipment. The work may also involve Modbus, IEC 61850, and vendor-specific monitoring tools. Good professionals know how these layers interact under real operating conditions.
When to bring help
Companies usually bring in freelance expertise when they need a new storage site, a retrofit, a control issue fixed, or a system reviewed before energisation. That is common for utilities, industrial sites, renewable operators, and infrastructure owners. In Germany, cross-functional work with electrical, grid, and operations teams is often needed.
What strong experts do
A strong Battery Energy Storage System specialist understands both power engineering and day-to-day operation. They can trace faults, align protection and controls, and explain trade-offs clearly to technical and non-technical stakeholders. They also work well with EPC teams, asset managers, and local site staff.
Choosing the right fit
Look for professionals who have delivered similar storage scopes, not only theory. Ask about grid codes, commissioning checklists, incident handling, and vendor coordination. For remote work, clear diagrams and logs matter; for on-site work, German language support can help during testing and handover.
Frequently asked questions
Curious about Battery Energy Storage System? Here are the answers that come up again and again.
A strong Battery Energy Storage System is used to store electricity and release it when the site or grid needs it. It supports peak shaving, backup power, renewable smoothing, and grid services. Many projects also use the shorter term BESS in plans and discussions.
BESS is designed for flexible energy storage and control, not only emergency backup. Compared with a UPS, it usually handles larger energy shifts and longer runtime. Compared with diesel backup, it can support cleaner operation and tighter control, but it needs careful electrical integration.
A strong Battery Energy Storage System specialist should understand batteries, power conversion systems, EMS logic, protection, and grid connection basics. Experience with SCADA, communication protocols, and commissioning work is also useful. Safety and fault analysis matter just as much as software or controls.
For a small review or design support task, one experienced Battery Energy Storage System professional may be enough. For commissioning, grid connection, or complex retrofit work, you usually want someone who has seen similar sites before. The more critical the asset, the more important practical field experience becomes.
Much of Battery Energy Storage System planning, control review, documentation, and troubleshooting can be done remotely. But commissioning, testing, and fault finding at the site still need on-site presence. In Germany, hybrid collaboration is common for teams that need both technical depth and field support.
Ask which Battery Energy Storage System scopes they have handled, which vendors or platforms they know, and whether they have worked on grid-connected assets. Also ask how they handle commissioning, alarms, and handover documents. Clear answers are a good sign they can work independently.
People may search for Battery Energy Storage System work as BESS, battery storage, or battery storage system work. In technical discussions, you may also hear terms like EMS, PCS, or battery management system. These names point to different parts of the same overall setup.
A good Battery Energy Storage System professional gives precise answers, asks about site constraints, and spots risks early. They can explain how controls, protection, and battery limits affect operation. Strong work is clear in the documents, the test results, and the handover process.
The average hourly rate of freelancers in Germany who have used Battery Energy Storage System in their recent projects is 119 €, which corresponds to a daily rate of about 950 € based on an 8-hour working day.
Of the freelancers in Germany who have used Battery Energy Storage System in their recent projects, 100% hold at least a Bachelor's degree, 36% hold at least a Master's degree, and 14% hold a doctorate.
On average, freelancers in Germany who have used Battery Energy Storage System in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 2.5 years.
The most common languages among freelancers in Germany who have used Battery Energy Storage System in their recent projects are German (100%), English (100%), and Spanish (25%).
The most common industries among freelancers in Germany who have used Battery Energy Storage System in their recent projects are Energy (100%), Automotive (69%), and Manufacturing (63%).
The most common business areas among freelancers in Germany who have used Battery Energy Storage System in their recent projects are Project Management (88%), Operations (75%), and Product Development (75%).
Main locations of FRATCH Experts, who have recently used Battery Energy Storage System
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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FRATCH CEO
