4.3 Capacity utilisation and outsourcing
- Syllabus
- 9609–2026–2027
- Topic
- 4.3
- Level
- AS
Learning objectives
4.3.1Capacity utilisation• Significance and measurement of capacity utilisation- the measurement of capacity utilisation- the impact of operating under or over maximum capacity on a business- methods of improving capacity utilisation4.3.2Outsourcing• Outsourcing- the impact of outsourcing on a business
Capacity utilisation trades unit-cost efficiency against flexibility and resilience
Maximum capacity is the greatest output possible in a stated period under specified resources and operating assumptions. Capacity utilisation measures how much of that potential output is actually used; spare capacity is the unused amount.
Capacity utilisation (%)=maximum possible output in the same periodactual output in a period×100
If output is 145,000 units and maximum capacity is 150,000, utilisation = 145,000 ÷ 150,000 × 100 = 96.7%. If an expansion raises maximum capacity from 15m to 18m while forecast output is 16m, forecast utilisation = 88.9%. Always adjust capacity first and match the period/units.
| Operating state | Potential benefits | Costs/risks |
|---|---|---|
| Below maximum / spare capacity | Can accept a demand surge or urgent order; time for maintenance/training; less employee/machine pressure | Idle labour/assets; fixed costs spread over fewer units so unit cost may rise; lost scale/bulk discounts, revenue and competitiveness if demand exists |
| Near maximum | Resources and fixed costs are used strongly; higher output may lower unit fixed cost and raise revenue/profit | Little room for errors, maintenance or extra orders; overtime, stress, bottlenecks, stock shortages and quality/service risk |
| Temporarily over stated maximum | Extra sales/orders may be met through overtime, subcontracting or unusually intense use | Inefficiency and average cost may rise; breakdown, defects, delay, absence/turnover, unsafe or unsustainable pressure and reputation damage |
Improve low utilisation through either side of the ratio. Raise actual output by stimulating demand (price/promotion/product/market/distribution changes), winning orders, reducing bottlenecks/downtime or improving productivity. Or reduce persistent excess capacity by selling/leasing assets, closing/consolidating sites, reducing shifts/workforce or outsourcing—but test redundancy, disruption, future-demand and lost-flexibility costs.
Choose a target buffer rather than chasing 100%. Compare demand level/volatility, seasonality, lead time, reliability, maintenance, workforce welfare, quality/service requirements, fixed-cost burden and the cost of lost orders. Capacity estimates can change when equipment, labour, layout or operating hours change.
Higher utilisation does not itself prove higher profit, productivity or quality. 100% can be too rigid, and spare capacity can have strategic value when demand or disruption is uncertain.
Outsourcing adds external capacity or expertise but reduces direct control
Outsourcing contracts a third-party business to perform a function or activity instead of using the business's own employees/assets. It may cover production, IT, logistics, payroll, cleaning or marketing; buying distribution access or forming a partnership is not by itself outsourcing.
| Potential benefit | Potential cost/risk |
|---|---|
| Add capacity quickly and respond flexibly to demand without premises/equipment investment | Dependence on provider capacity, finance, timing and continuity; delays or failure can stop service/output |
| Access specialist skills, technology, quality or scale economies | Provider margin plus search, contracting, monitoring, transport, switching and correction costs may exceed in-house cost |
| Convert some fixed cost to variable cost and release assets/cash | Price changes, long contracts and loss of in-house capability can reduce future bargaining power/flexibility |
| Free managers/resources to focus on core competence, design, customers or growth | Less direct control over quality, process, ethics and customer experience can harm consistency, loyalty and reputation |
| Improve productivity through specialist processes | Redundancy/job insecurity may damage morale; confidential data, intellectual property or know-how may leak |
Analyse a full chain, not a label: specialist equipment may raise consistency → fewer defects/returns → higher satisfaction and repeat sales. Conversely, a long external lead time may delay delivery → customers switch → revenue and reputation fall. The same impact depends on contract, monitoring and provider performance.
For a make-or-buy decision compare total in-house and outsourced cost, required capacity/speed/flexibility, provider expertise/quality/lead time/location, contract length and service levels, monitoring/switching/transport cost, data/ethical risk, employee impact, strategic importance and the value of control. Alternatives include overtime, leasing, internal investment, recruitment or a hybrid.
A hybrid can outsource peak volume or non-core stages while retaining design, final quality checks or distinctive craft in-house. This may preserve brand/knowledge and test the provider before a larger commitment, though coordination and duplicated capability still cost money.
Outsourcing is not automatically cheaper or lower quality. Judge total consequences and strategic fit: the provider relationship, contract, safeguards and activity outsourced determine the impact.