Case study

Electrical Distribution Architect Study

We carried out an Electrical Distribution Architecture Study of the Future Surface Combatant.

The Brief

The Future Surface Combatant (FSC) is the ship that will replace the UK’s current fleet of Type 22 and Type 23 frigates over the next 12 years. Frazer-Nash was recently contracted by the MoD to complete an Electrical Distribution Architecture Study (EDAS) of the future warship. The EDAS generated and compared concept designs for the electrical distribution system of the FSC.



Our study addressed options covering both AC and DC systems, configured as a tree structure or zonal configuration. It also incorporated a multi-criteria assessment to provide advice to the Naval Design Partnership (NDP), based on the opinion of the key stakeholders. It compared the benefits and shortfalls of each of the options with their associated through-life costs.



We provided guidance to the NDP on which electrical distribution architectures to take forward into the concept design and assessment phases.


This study has taken an independent assessment of the candidate technologies, revealing credible and cost-effective alternative architectures. It revealed the major benefits, shortfalls and costs associated with the various options, based on objective assessments of real data and the subjective judgements of qualified and experienced stakeholders.

The results highlight how the implementation of emerging technology in this field can realise real benefits, but also attract significant costs. The study quantifies these costs and makes recommendations for minimising the associated uncertainties surrounding them.

The process used in this study is not unique to a warship application and can be applied to any system where technical options are being considered against cost, risk and other decision drivers.


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