Introducing BaseCore

The Future‑Ready Foundation for AI-Ready, Integrated Critical Power Design

BaseCore, The Modular Power Platform for High‑Density AI Growth

BaseCore™ is the new blueprint for data‑centre‑grade power infrastructure—purpose‑built to help developers design faster, smarter, and with total confidence. Acting as a foundation, BaseCore brings together fully engineered Rehlko modules across power generation, switchgear, battery storage, and UPS protection. Each module is ready to configure, scale, and integrate into your site requirements, dramatically reducing design time while enhancing reliability, resilience, and white‑space efficiency. Whether building 30MW, 60MW or 100MW+ AI‑ready campuses, BaseCore streamlines the entire journey from concept to commissioning, giving you the power architecture you need—without the delays.

Integrated Rehlko Modules That Let You Scale Faster

GenModule

Deliver dependable on‑site backup generation with fully pre-engineered Rehlko KD generator units, ranging from 2800 – 4500 kVA.  Designed to keep your facility energised through grid instability and peak demand events, our GenModules are built into packages encompassing the following:

  • Acoustic Solutions – Prefabricated at our state-of-the-art UK facility, including attenuation, lighting, safety and fire suppression systems
  • Fuel Solutions – Storage and distribution, developed to site and DEFRA guidelines
  • Selective Catalytic Reduction – delivering ultra‑low emissions performance, fully integrated, and ready to future‑proof your Data Centres power system.
  • Civil Works – Site preparation, clearance, concrete base fencing solutions for total power infrastructure security
  • Gantry Access Systems – Footprint design and space planning solutions, utilising state-of-the-art steel walkway systems
  • Combined Heat & Exhaust Discharge – Optimise thermal efficiency and streamline exhaust management, delivering cleaner, more efficient power.
SwitchModule

Our SwitchModule is a high‑performance low‑voltage switchgear solution designed for safe, efficient power distribution, available in 4000 A, 5000 A and 6300 A ratings. Developed by Rehlko at their divisional headquarters in Cholet, France, it delivers operational flexibility with both fixed and withdrawable versions and a compact, multi‑access layout. The system incorporates advanced cooling, built‑in fire protection and a wide range of configuration options, making it suitable for demanding industrial and commercial environments.

  • High‑performance LV switchgear (4000 / 5000 / 6300 A)
  • Fixed and withdrawable options
  • Compact, multi‑access design
  • Integrated fire protection and advanced cooling
  • Developed by Rehlko in Cholet, France

 

MVModule

Available in 2.3, 2.8 and 3.6 MW capacities, MVModule combines medium‑voltage distribution, an RMU and a step‑down transformer into a single, compact module. This fully integrated design ensures a smooth, dependable transition from MV feeds to the low‑voltage systems that power your critical equipment, simplifying installation while improving reliability and operational efficiency.

  • Integrated MV distribution, RMU and transformer
  • Available in 2.3, 2.8 and 3.6 MW ratings
  • Reliable transition from MV supply to LV systems
  • Compact, fully integrated module for simplified deployment
StoreModule

Advanced battery storage, available in 175, 333 and 400 kWh capacities, uses TPPL technology to deliver long service life, rapid recharge performance and enhanced operational safety with zero thermal‑runaway risk. Designed for data centres, this energy solution provides a stable and dependable buffer that strengthens UPS performance, smooths load transitions and supports overall site resilience during power disturbances or high‑demand compute cycles.

  • TPPL battery technology with long life and rapid recharge
  • Available in 175, 333 and 400 kWh capacities
  • No thermal‑runaway risk for enhanced safety
  • Stabilises UPS performance and smooths load transitions
  • Supports resilience during outages and peak compute demand
ShieldModule

Uninterruptible power protection engineered for high‑density, AI‑intensive data centre workloads. Available in 2000, 2500 and 3000 kW ratings, this system delivers exceptional efficiency through hot‑swappable modules and a resilient distributed architecture that keeps critical operations online, reduces maintenance downtime and maximises overall uptime.

  • Designed for high‑density, AI‑driven data centre workloads
  • Available in 2000, 2500 and 3000 kW ratings
  • Hot‑swappable modules for uninterrupted maintenance
  • Distributed architecture for maximum uptime and resilience
  • High efficiency to reduce energy consumption and operating costs

Why Choose BaseCore for your Data Centre Project?

BaseCore gives you a faster, smarter way to design and deploy critical power infrastructure. Built on fully integrated Rehlko modules, it provides a consistent, engineered foundation that accelerates decision‑making from day one. With configurable building blocks covering generation, switching, MV distribution, storage, and UPS protection, BaseCore removes complexity from early‑stage design and helps you scale with confidence. Whether you’re planning a 30MW development or building toward AI‑ready 100MW+ campuses, BaseCore delivers predictable layouts, reduced lead times, and a streamlined pathway from concept to commissioning—ensuring your data centre stays resilient, efficient, and future‑ready.

Hyperscale Data Centres

Deliver massive‑scale reliability with high‑density, modular critical‑power solutions via our BaseCore. Designed for rapid deployment, global consistency and efficient operation across cloud, AI and compute‑intensive hyperscale environments.

Colocation Data Centres

Enable always‑on colocation facilities with our scalable, efficient BaseCore critical‑power systems. Support multi‑tenant reliability, reduce energy waste and meet strict SLAs with robust, fault‑tolerant infrastructure.

Enterprise & Edge Data Centres

Reliable, scalable critical‑power solutions for edge and enterprise sites. Maintain uptime, support distributed IT growth and ensure consistent performance with resilient infrastructure built for fast deployment and evolving demands.

Fully Configurable Modular Power Solutions

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Designed for the Demands of Modern Data Centres

  • Flexible, vendor‑neutral architecture engineered to integrate effortlessly into any data centre ecosystem.
  • Fully configurable to the specific needs of each site design.
  • Multiple power classes, with 2.3MW, 2.8MW, and 3.6MW ratings.
  • Built to scale — enabling 30MW, 60MW, and 100MW+ AI‑ready power packages.
  • End‑to‑end OEM speed across design, manufacture, and long‑term maintenance.
  • Delivering significant white space and time savings across the design cycle.

Need more help?

Having a critical power system installed at your Data Centre your site can be a daunting buying process to navigate, especially if it’s not your field of expertise. To give you confidence in their decision and enable them to be more informed when talking to our (or any) sales team, we have put together a number of useful resources which will help you on your journey.

e-POD Modular Power Solution

WBPS delivered an offsite‑built, fully tested 60MVA modular e‑Pod power package providing a fast, fully integrated plug‑and‑play standby solution for a hyperscale data centre.

Unravelling Data Centre Power in an OFCI World

Tired of all the technical jargon? Not sure what it all means? Read and download our jargon buster document to make sense of all the industry terms.

Our Data Centre Solutions

Looking for a non-modular, more traditional design? We have worked with hundreds of DC Developers to develop critical power systems of all sizes and shapes. No matter the site requirement, we can help.

Our Data Centre Work

  • 100MVA e-POD Installation for Hyperscale Data Centre

    This case study looks at the WB E-POD packages produced for one specific global hyperscale Data Centre client. The offsite built and tested solution includes transformer, switchgear, generator, UPS, cooling, gantry, all interconnections between containers and fully site commissioning making this a true plug and play solution. Read the full study here. 

  • 100MVA HV Generator Installation for Co-location Data Centre

    WB Power Services delivered 48 high‑capacity 1650 kVA Rehlko generator systems using a compact stacked gantry design to reduce footprint while supporting rising data hall power densities. The solution combined custom acoustic containers, advanced AMP802 controls and integrated belly‑tank fuel systems to maximise flexibility, reliability and space efficiency. Read the full study here.

    DC-CWL11
  • 80MVA HV Generator Installation for Co-location Data Centre

    WB Power Services delivered larger 1650 kVA Rehlko KD1650 generator systems to meet rising data hall power demands and support 11kV distribution. The solution provided fast‑delivery containerised packages with advanced AMP802 controls, dual outputs and resilient fuel systems for maximum operational flexibility. Read the full study here.

    Data Centres - Industry Block
  • 12MVA Generator Installation for Co-location Data Centre

    Rehlko & WB Power Services delivered scalable, high‑redundancy generator systems for a global hyperscale data centre. The solution used 10 Rehlko V715 units with customised controls and fuel systems to maximise reliability and efficiency. Read the full study here. 

  • 5.7MVA Edge Data Centre Installation

    WB Power Services delivered a 5.7 MVA backup power solution for a major South East telecoms provider, installing three 1900 kVA generators with bespoke acoustic enclosures and integrated fuel systems. The project included full decommissioning of existing equipment, factory testing, complex logistics and final commissioning — all completed on time and within budget. Read the full study here.

    EE Croydon
Read More Case Studies
DC-CWL11
Data Centres - Industry Block
EE Croydon

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