Solar & backup

Planning generator backup for a business in Uganda

By CCK Power SolutionsGuide archive: 21 November 2025Added & reviewed: 9 October 2026

Circuit breakers and wiring inside an electrical distribution board

Capacity is one part of the decision. Siting, safe integration and operating responsibilities deserve equal attention.

Decide what the generator must support

Start with the operations that need to continue during an interruption. A shop may prioritise lighting, payment equipment and refrigeration. A workshop may need selected machinery. List the equipment and operating pattern so the assessment can consider running demand and starting loads.

Avoid choosing a generator solely from the total written on appliance labels or the size used by a neighbouring business. Load characteristics, supply arrangements and intended operating duration affect the selection. Discuss which loads can remain disconnected during backup operation.

Agree a safe changeover arrangement

Connecting a generator to building wiring requires an appropriate transfer or changeover arrangement installed by a qualified person. Never try to supply a building by plugging a generator into a wall socket. This practice can energise wiring unexpectedly and put occupants and utility workers at risk.

The quotation should explain the installation boundary, controls, protection and testing. If solar or battery backup already exists, provide the equipment details. Several sources cannot simply be connected together without assessing their compatibility and how they will operate.

Treat exhaust and siting as essential requirements

Fuel-burning generators produce carbon monoxide. Portable generators must only operate outdoors, away from occupied buildings and openings. The US Consumer Product Safety Commission recommends at least 20 feet, approximately six metres, from a home for portable units, with exhaust directed away from openings. Open windows or garage doors do not make indoor operation safe.

A permanent installation requires its own site-specific design, manufacturer clearances and competent assessment of exhaust, ventilation, fire precautions and access. Do not use the portable-generator distance as a complete design specification for every generator.

Plan fuel, servicing and authorised operation

Identify who may operate the equipment, how fuel will be stored safely and who will arrange servicing. The manufacturer’s maintenance requirements and operating instructions should be available to the responsible staff. Include access for inspection and future component replacement in the layout.

Noise, security and the effect on neighbouring premises also matter. A generator that fits physically into a space may still be unsuitable there. Resolve these practical details before purchasing equipment or building an enclosure.

Test the agreed operating arrangement

Handover should cover the agreed checks, operating instructions and response to faults. Staff should understand which loads are supported and how to obtain assistance. Keep equipment and service records so later changes can be assessed with reliable information.

CCK supports generator installation and backup-power integration for businesses and institutions across Uganda. Send the equipment list, site location, existing supply information and operating needs. Discuss ongoing maintenance requirements as part of the proposal.