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Data Center Energy Optimization & Infrastructure Engineering
Solving the energy infrastructure challenge

FEV engineers power, cooling, storage and waste heat recovery solutions that improve energy efficiency, resilience and unlocks available computing capacity of your data center.

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Power, cooling & grid integration: Optimized energy systems for data center

FEV energy + resources engineers the complete power, thermal and waste‑heat recovery stack for data centers.
Leveraging our in‑house Energy Flow Optimizer based on digital twins and model predictive control, we support projects from market intelligence to full solution development – across greenfield and brownfield sites.

FEV_E+R_Image_AI_nogrid
FEV_E+R_Image_AI_nogrid

Limited or no grid connection

Limited grid capacity is one of the biggest barriers to new data center developments.

FEV helps clients determine how to secure reliable and scalable power when utility connections are delayed, constrained, or unavailable. We evaluate grid alternatives including behind-the-meter generation, microgrids, renewable energy, energy storage, CHP, and direct power purchase structures.

Outcome: A site-specific energy strategy that enables deployment timelines, minimizes power supply risk, and supports future capacity expansion.

FEV_E+R_Image_AI_Technologyselection
FEV_E+R_Image_AI_Technologyselection

Technology selection

Choosing the wrong energy infrastructure can lock a data center into higher operating costs, scalability limitations, and costly redesigns.

FEV helps operators, developers, and investors evaluate power generation, cooling, storage, and resilience technologies based on site constraints, growth plans, economics, and technology maturity.

Outcome: A technology roadmap and investment-ready decision framework that identifies the optimal solution for long-term performance, resilience, and cost efficiency.

FEV_E+R_Image_AI_Cost
FEV_E+R_Image_AI_Cost

Energy optimization

Most data centers still operate with untapped efficiency potential across cooling systems, backup power assets, battery storage, and control strategies.
FEV identifies and quantifies optimization opportunities using digital twins, energy system simulation, and model predictive control.

Outcome: Lower energy costs, improved PUE, increased usable power capacity, and measurable efficiency gains without operational disruption.

Data Center Energy Systems
Power, cooling & energy optimization

FEV offers a wide range of services concerning behind-the-meter energy, UPS+BESS, backup power gensets, cooling, waste heat, recovery, and energy flow optimization, offering engineering and strategic consulting services.

  • Energy optimization

    We use simulation, digital twins, and model predictive controls to optimize the interaction between IT load, cooling, storage, generation, and grid supply — helping reduce PUE and energy cost targeted capex.

  • Engineering design

    We design integrated data center energy systems tailored to application-specific requirements. Our expertise covers power infrastructure, backup generation, cooling systems, thermal management and energy storage — from concept development to validation.

  • Strategy consulting

    We support operators, developers, investors and technology providers in evaluating technologies, developing energy strategies and identifying growth opportunities. Through market assessments, benchmarking and techno-economic analyses, we help define future-ready and commercially competitive data center infrastructure.

Digital Optimization with VYNOX

Simulation, Digital Twins & Predictive Control

Vynox is FEV’s digital twin and energy optimization platform for data centers. By combining simulation and model predictive control, it optimizes the interaction between power, cooling, energy storage and IT loads to improve efficiency, reduce PUE and energy costs, and maximize available IT capacity.

  • Designer: Use simulation and digital twins to evaluate infrastructure concepts, compare technology options and optimize system architecture before implementation.
  • Controller: Apply model predictive control to continuously optimize power distribution, cooling systems and energy storage while maintaining operational reliability.

Data Center Technologies
Integrated energy systems for data centers

FEV evaluates and optimizes power generation, energy storage, cooling and waste heat recovery as part of a holistic data center energy system. Our simulation-driven approach helps identify resilient, efficient and future-ready infrastructure solutions.

  • ❶ Power generation

    Reliable power starts with the right generation strategy. FEV evaluates grid supply, behind-the-meter generation, fuel cells, CHP systems and renewable energy sources to identify the most resilient and cost-effective architecture for each site.

  • ❷ Power & backup storage

    Energy storage improves flexibility, resilience and energy efficiency. We assess UPS, BESS and hybrid storage concepts to support backup power, peak shaving and optimized energy management.

  • ❸ Cooling & thermal systems

    Cooling is one of the largest drivers of data center energy consumption. FEV evaluates cooling architectures, thermal management strategies and controls to improve efficiency, reliability and compute density.

  • ❹ Waste heat recovery

    Waste heat can become a valuable energy resource. We develop concepts for heat recovery, heat reuse and district heating integration to improve overall energy efficiency and support sustainability targets.

FAQ about data centers

Data center energy optimization is the integrated improvement of power supply, cooling, energy storage, backup power, controls, power electronics and waste heat recovery. The goal is to reduce energy costs, improve resilience and maximize the amount of power available for IT workloads.

FEV supports data center operators, developers, investors and technology providers with strategy consulting, energy system engineering, simulation, digital twins and model predictive control. We optimize power and thermal systems across greenfield and brownfield data center projects.

Behind-the-meter power is becoming more important because data centers face growing grid constraints, rising electricity demand and increasing requirements for resilience. On-site generation, energy storage and flexible energy management can reduce dependence on public grid expansion while improving power availability and operational flexibility.

Power electronics connect, convert and control electricity flows between the grid, generators, batteries, UPS systems, cooling equipment and IT loads. Efficient power electronics, transformers and switchgear are essential for reliable power distribution, load management and the integration of flexible energy assets in modern data centers.

Cooling systems are one of the largest sources of energy consumption in data centers. Optimizing cooling architectures, thermal management and controls can reduce operating costs, improve Power Usage Effectiveness and increase the amount of power available for computing equipment.

Model predictive control uses system models and real-time operational data to continuously optimize cooling, power distribution and energy storage. In data centers, MPC can improve efficiency, reduce energy consumption and maintain operational reliability under changing load, weather and grid conditions.

UPS systems provide immediate backup power to protect critical IT loads during outages or power quality events. Battery energy storage systems can support additional use cases such as peak shaving, load shifting and energy optimization. Depending on battery technology and system design, both functions can sometimes be combined to increase the return on installed battery capacity.

AI workloads significantly increase power density, cooling demand and load volatility compared to traditional computing applications. Rapid load changes can create more dynamic power and thermal profiles, requiring optimized power infrastructure, advanced cooling concepts and flexible energy management strategies to maintain efficiency and reliability.

Case Studies: Data center project examples

  • FEV and Regout Group Collaborate on Smart Energy Management through PV–BESS Integration

    The Regout Group, a leading industrial manufacturer in Maastricht, aims to enhance sustainability and reduce energy costs. With rising electricity prices and the need for greener operations, the challenge was to identify an optimal mix of renewable energy generation and…

  • Global diesel & natural gas power generation study

    Global industrial engine manufacturer seeks tounderstand the diesel and natural gas power generation marketto evaluate further engine development.

  • Data center energy efficiency improvement study

    Silo-ed operation of all DC systems and reactive control strategies were leading to inefficient power consumption. Help identify and implement energy efficiency improvement measures.

  • New product opportunity identification within the thermal solutions space for data centers

    Automotive client has a large portfolio and in-depth knowledge of thermal solutions. Investigate the opportunities for the client to enter the data center space with new offerings…

  • EU Horizon Europe Project: XL-Connect – Smart Bidirectional Charging for a Greener Grid

    As electric vehicle adoption accelerates, grid stability and renewable integration become critical challenges. Traditional charging approaches lack flexibility, making it difficult to balance energy demand, dynamic tariffs, and renewable generation. The need: on-demand, multi-directional EV charging that supports Vehicle-to-Grid (V2G),…

  • Industrial park symbiosis for hard-to-abate industry

    Develop a concept of a symbiotically optimized industrial park…

  • Data center emergency generator market requirements analysis

    Targeting the data center emergency power market To set the right development targets, understand the data center specific requirements for gensets…

  • Supported a Caribbean island in its transformation to a green energy production hub

    Identify the future global market potential and local production opportunities for renewable fuels to support the transformation to a green energy production hub.

  • Definition of an integrated and multi-vector industrial decarbonization strategy to transform a region into a benchmark green valley in Europe

    The client aims to decarbonize local industry and position the region as a leading EU decarbonization hub by establishing a regional industrial ecosystem based on H2, CO2, O2, and H2O…

FEV e+r Experts: Talk to our data center experts

Markus Volkening

Solution Leader Data Centers 

Patrick Schutzeich

Solution Leader Thermal Solutions

Contact: Discuss your data center energy challenge with FEV