Sellafield Case Study

“TEG transformed our culture from defensive to collaborative.

We finished stronger and with a playbook we now use on every new project.”

Programme Director, MDN Engineering Services, Sellafield Ltd

SITUATION

16 Months behind.

19% over budget

£45m nuclear upgrade crisis

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A critical handling system upgrade

Expected: 30 months

Reality: Slipping towards 46…

TURNING POINT

Enter TEG

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Diagnostics and assessments

Simulation workshops

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Transparent conversations

Monthly trust pulses

WHAT CHANGED?

Decision latency: down 38%

Trust index: up from 3.1 to 7.4 (10)

—

£3.2m overspend avoided

MDN bank on track

WHAT WAS LEARNED?

Co-plan early

Trust accelerates decisions

Data beats gut feel

Don’t just talk collaboration, simulate it.

If you’re ready to de-risk your complex programme or project, let’s talk.
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