UKRI-6064 ISP-1157 Replacement of Large ISIS Power Supply System

Kim Frater, founder of Bid Trawler
Written by Kim Frater
Former Public Sector Buyer • Founder of Bid Trawler • 40+ years' public sector experience
"I believe public procurement shouldn't be complicated. Every guide I write explains the process in plain English so you can bid with confidence."

3 minute read  •  Updated September 2026

A practical guide to understanding what the buyer really wants and how to build a winning response.

It's Not Just About the Power Supply

When I look at this tender, I see something beyond just replacing a power supply system.

UK Research & Innovation is not simply purchasing equipment.

They're investing in the reliability and stability of the ISIS Neutron and Muon Source Facility.

That's a critical distinction.

This contract covers the procurement of a modular 1200 kVA three-phase AC voltage source power supply, complete with a high-stability control system. It's not just about providing power; it's about ensuring that the magnet load current remains stable and precise.

Think About the Facility's Needs

The ISIS Neutron and Muon Source Facility is a complex operation.

Their focus isn't just on power.

It's on precision and reliability.

If I were writing this tender, I'd focus on how my solution supports the facility's operations without disruption.

Remember, the power supply is a tool to maintain the facility's core functions smoothly.

Don't Underestimate the Control System

Yes, the power supply matters.

But the control system is crucial.

UKRI needs a system that can regulate the magnet load current to a precise setpoint.

If I were evaluating bids, I'd look for a clear explanation of how your control system achieves this stability.

Evidence of past successes with similar systems would be invaluable here.

Pay Attention to What They Say

UKRI is clear about their priorities.

They need a system that's "intrinsically safe by design, with high efficiency, high reliability, high maintainability."

This isn't just technical jargon.

It's a checklist for your submission.

Make sure you address these points directly in your response.

Evidence Beats Promises Every Time

One thing I noticed when I worked in the public sector was that claims alone aren't enough.

UKRI needs proof.

Think about including:

  • Case studies of similar installations
  • Performance metrics from past projects
  • Client testimonials
  • Certifications and compliance with relevant standards

These pieces of evidence will carry more weight than assurances alone.

Remember the Human Element

This power supply isn't operating in a vacuum.

It's part of a larger team effort.

Consider how your solution will integrate with the existing infrastructure at the facility.

How will your team collaborate with theirs?

Addressing the human element in your bid could set you apart.

Consistency Over the Contract Term

A two-year contract isn't just about installation and walking away.

It's about ongoing reliability and support.

I'd want to see exactly how your team plans to ensure consistent performance over the entire contract period.

Think about maintenance schedules, support availability and strategies for addressing unforeseen issues.

The Importance of Compliance

UKRI has highlighted the need for compliance with relevant standards.

This isn't just a box-ticking exercise.

Failure to demonstrate compliance could be a dealbreaker.

Be explicit about how your solution meets these requirements.

One Thing I'd Keep Reminding Myself

At the heart of this contract is the need for precision and reliability.

Every part of your response should reinforce how you meet these needs.

A final check I'd do is ask, "Does this answer make the facility's life easier?"

If it doesn't, I'd rethink it.

Common mistakes

Avoid submissions that:

  • Overlook the importance of the control system
  • Fail to provide evidence of past success
  • Ignore the need for compliance with standards
  • Neglect to address ongoing support and maintenance
  • Assume the lowest price will secure the contract
  • Overcomplicate technical explanations
  • Lack a clear plan for integration with existing systems

My Final Thoughts

UKRI is looking for more than just a power supply system.

They're seeking a partner who understands their need for precision and reliability.

With a contract value of £3,000,000 and a focus on quality, it's clear that this isn't about the lowest bid.

Quality and reliability will carry significant weight in your submission.

Thanks for reading.

I hope this guide has helped make public procurement feel a little less daunting. If it has, then it's done its job.

Kim
Founder, Bid Trawler

P.S. Got a question?

If you've got a question about anything you've read, or you're stuck on a tender, just send me an email.

Whether it's a quick question or you simply need pointing in the right direction, I'm always happy to help if I can.

kim@bidtrawler.com

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About our "How to Win This Contract" guides

Our guides are written using publicly available procurement information, including contract notices and published tender documents where available. They are designed to help suppliers understand the buyer's likely priorities and think more strategically about their approach. They are not based on any bidder's confidential submission, bespoke bid strategy or non-public procurement information.

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