Bespoke installation solutions
We have managed projects of all sizes and in all industries as a premier family-owned operator of key power infrastructure. WB Power Services can assist with any project, regardless of size.
Diesel Generator Installations Projects
Expertise For Every Kind Of Project
Turnkey critical power infrastructure, reliably planned and delivered by experts – where you are in the UK
Delivering critical power projects for over 40 years
As a leading family-owned operator of critical power infrastructure, we have led projects of all sizes, across all sectors. Our extensive experience means we can provide you with comprehensive support for every aspect of your critical power needs.
We’re trusted to install turnkey power solutions for world-class corporations to government bodies, supporting hospitals, data centres, banks, utility companies, military installations and more. We offer a range of complete turnkey power solutions, from single generator (10kVA to 4.5MVA+), to large multi-synchronous packages.
Our in-house project team will work with you to identify, install and test the best solution for you. We consider all elements of your power needs, including civil work, transformers, control and switchgear, AMF and synchronous controls, UPS, acoustic and complete fuel solutions. We are proud to be Europe’s largest distributor of Kohler generators.
Time to buy a new generator? See our Diesel Generators for Sale page.
Why work with Rehlko & WB Power Services?
Whether it’s a simple diesel generator installation below 830kVA, or you’re looking for expert help putting together a large multi megawatt diesel generator installation, from initial enquiry to final delivery, our dedicated and experienced technical team will work with you to thoroughly understand your requirements. They will identify and install the best solution for you, designing and delivering with reliability, expertise and value for money.
Superior products manufactured in Europe
Our range of Kohler-SDMO generators offer unrivalled back-up and emergency power. Using high quality engine components and parts which are all manufactured in Europe, our generators have proven time and time again that they are reliable, efficient and offer excellent value for money.
Expert assistance with specification writing
Not only can we follow your pre determined specification, we can also help you write one. With 40 years practical & technical experience, we can design a cost efficient diesel generator installation package.
Nationwide coverage
No matter where you are in the UK, our team are always close at hand. Throughout your diesel generator installation, we will also work with your requirements at the heart of our operations, and will always be on-hand to work with you, every step of the way.
Expert help finding the right generator
We will work with you to thoroughly understand your requirements. Working alongside our in-house sales team, we will identify exactly what generator your need. Depending on what your requirement, our projects team can the install and test the generator for you too.
Our Generator Installations Work
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4MVA e-POD Installation for Royal Chesterfield Hospital
Rehlko designed and installed a comprehensive standby power solution for Chesterfield Royal Hospital, including two 1000kVA generators, bespoke control systems, fuel infrastructure, and full electrical, mechanical, and civil works. The project delivered a complete “one-stop shop” package—covering design, equipment removal, installation, testing, and project management—to ensure reliable emergency power across the hospital’s critical facilities. Read the full study here.
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2MVA Installation at a South West London Hospital
Rehlko designed and delivered a complex standby power upgrade for a major South West London hospital, installing two 1000kVA generators alongside extensive civil, electrical, and fuel system works within a restricted plant room environment. The project included removal of legacy equipment, new switchgear and control systems, enhanced exhaust and noise‑reduction solutions, and full commissioning—completed on time, on budget, and to the hospital’s strict operational requirements. Read the full study here.
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8MVA HV Generator Installation for Northampton General Hospital
Rehlko delivered a complex, multi‑phase upgrade at Northampton General Hospital, replacing and refurbishing generator systems across two plant rooms and installing six Rehlko generating sets with bespoke fuel, flue, acoustic, and control solutions. The project involved extensive civil works, equipment removal, system migration, and full commissioning—completed on time, on budget, and fully aligned with the hospital’s critical operational requirements. Read the full study here.
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5.7MVA Telecomms Installation
Rehlko delivered a 5.7 MVA backup power solution for a major South East telecoms provider, installing three Rehlko 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.
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2MVA Generator Installation for Prince Charles Hospital, Wales
Rehlko delivered and commissioned a 2000kVA Rehlko generator system for Prince Charles Hospital, providing reliable backup power for both existing facilities and future site expansions. The project involved complex off‑loading and positioning, integration with the hospital’s existing fuel distribution system, upgrades to switchgear and controls, and installation within a compact custom‑designed acoustic enclosure achieving 70dBA @ 1m. Read the full study here.
Our critical power installation services
Our in-house sales specialists will listen to your specific needs to create a bespoke package, suited to your particular requirements.
Healthcare
We are proud to be trusted by healthcare facilities around the UK. Our specialist in-house team are dedicated to delivering critical power solutions to hospitals, doctors surgeries and walk-in centres across the entire breadth of the United Kingdom.
We can work directly with NHS Trusts or with third-party contractors and consultants. Our experts will manage your project from initial specification all the way to commissioning, making sure you always get the most cost effective, efficient solution.
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Data Centres
We are proud to work with some of the UK’s largest data centres, providing every kind of emergency, standby and backup critical power solution, from individual sets to hyperscale multi-set synchronous packages totalling over 120MVA.
Our experienced, in-house project management team will work closely with you to install and commission the best critical power solution for your exact needs.
You can rely on us to consider everything, including civil work, transformers, control and switch gear, AMF and synchronous controls, generator sizing and power capabilities, UPS (Uninterruptible Power Supply), acoustic, exhaust gas systems, emissions control and complete fuel solutions.
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Education
Whether your education facility needs a permanent power solution, a temporary hire solution or a generator maintenance package tailored to your needs, we have the expertise to help.
Our maintenance, projects and generator hire teams enjoy keeping the UK’s education facilities at full operational capacity. They use their expertise and long experience to maintain critical infrastructures for network connectivity, as well as the crucial power systems that keep students, staff and visitors safe.
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Utilities
Our experienced critical power teams will identify and implement the best power solution for your utilities facility, whether you are bringing a new site online, need additional power for your existing infrastructure, or require emergency generator hire/maintenance. This includes backup, emergency and standby power solutions.
We are proud to work with some of the UK’s largest Distribution Network Operators (DNO’s) and water companies, offering emergency standby power, critical power installations and generator maintenance for hundreds of utility sites across the United Kingdom.
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Construction
We provide adaptable, customized power solutions to help you complete your construction project on schedule and on budget. We can assist, whether your location need a long-term power solution, rental generators, or a dependable maintenance plan.
Our professionals are aware that flexibility is essential when it comes to construction. Some tasks might take longer to complete than others, and some might need more power. You are in good hands if you choose to collaborate with our us. We pay close attention to your needs and base our work on them. On-site, we’ll guarantee that any issues are rectified within 2-4 hours, with a mobile engineering team always close at hand.
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Telecommunications
We have extensive experience working in the telecommunications industry, so we understand the unique power requirements of telecommunications companies and media broadcasters.
Whether your facility is looking for a permanent back-up power supply installation, a temporary power supply from a hire set, or a bespoke generator maintenance package for your incumbent power supply, we can help. We provide power solutions including generator sales and hire for telecommunications companies, installation and maintenance, including emergency, backup, standby power supplies. Generators include diesel and hybrid generators. We are the UK’s largest supplier of Kohler-SDMO generators.
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Defence & Military
We recognise and respect the unique role of our nation’s military services and defence facilities. Our expert in-house team have the depth of knowledge that is needed to design bespoke power and maintenance packages to suit your needs. We will always listen closely to your requirements and take your budget allocation and other demands in to account.
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Events
We are proud to be the chosen power solutions provider for prestigious events around the UK. Our specialist experts have extensive experience working with the events industry, from multiple huge music festivals welcoming hundreds of thousands of people, to small drive-in cinemas or community event, we have a strong understanding of the sector’s power requirements. Whether you are looking for efficient maintenance, hired generators or a permanent power solution, you can rely on us.
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Manufacturing
We understand that manufacturing businesses cannot afford to have power outages. Even a few minutes of downtime could have serious consequences for your business and supply chain. That is why we offer a comprehensive power package for manufacturing, whether it’s a permanent installation for emergency power outages, a hired set if you’ve experienced a power outage, or a maintenance package for your incumbent generator/UPS, we’ve got you covered.
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Need more help?
Having a critical power system installed on 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.
5 reasons to invest in a diesel generator
Investing in a standby diesel generator is usually an excellent decision for businesses who rely heavily on IT technology or machinery. Find out why!
Jargon buster
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.
What size generator do I need?
Do you have any idea what size generator you need? There are a lot of factors which need to be considered, before making the desicion. Find out what they are by reading our article.
