Production Capacity and Utilisation

Why it matters for underwriting

Production capacity and its current utilisation rate together determine how severely a loss at a given site will actually reduce output and revenue. A site already running near full capacity has little or no ability to make up lost production elsewhere or through overtime, so a fire or machinery breakdown translates almost directly into lost sales, whereas a site running well below capacity, or one belonging to a group with spare capacity at sister plants, can partially mitigate the interruption by shifting production. Underwriters need this attribute to properly size business interruption sum insured and to assess how realistic the insured’s own loss-mitigation assumptions are.

Capturing the attribute and evidence

Proposal forms ask for the theoretical maximum output of each site and the percentage currently utilised, together with information on whether spare capacity exists at other owned or contracted locations and whether utilisation fluctuates seasonally. Underwriters verify the declared figures against the production planning report, internal capacity utilisation statistics and the business interruption sum insured worksheet, paying particular attention to peak periods where declared average utilisation may understate the exposure at the time a loss is most likely to bite hardest.

Effect on coverage, premium and conditions

Sites with genuine spare capacity, or groups that can credibly demonstrate alternative production capability, generally benefit from more favourable business interruption terms, since the maximum foreseeable loss is reduced. High utilisation with no realistic substitute capacity increases the maximum foreseeable loss and commonly leads to higher business interruption premium, tighter sublimits on contingent or extra-expense extensions, or conditions requiring the insured to maintain and disclose a documented contingency production plan.

Mitigation measures

Insureds are encouraged to identify and formally document alternative production capacity, whether at sister plants, subcontractors or through purchased finished goods, to maintain a degree of planned spare capacity for critical products, and to update their business interruption sum insured whenever utilisation patterns or capacity investments change materially.