A commercial solar power system should be assessed against the way your building uses electricity. For example, an office and a hospital can have different operating hours and loads, even when their roofs are similar in size.
Before committing to commercial solar installation, request a proposal that sets out the capacity, expected generation, equipment, costs and exclusions. Ask how each estimate was calculated.
Site Survey
Design and
Engineering
Supply, Installation
Testing & Commission
Statutory Approvals
Maintenance
Site Survey
Design and
Engineering
Supply, Installation
Testing & Commission
Statutory Approvals
Maintenance
Solar panels convert sunlight into direct current electricity. An inverter converts that output into alternating current for the building’s electrical system. How surplus generation is handled depends on the agreed connection arrangement and any storage included in the design.
Solar can help a business generate part of its electricity and reduce the amount it purchases from the grid. The financial value depends on project cost, generation and consumption. Request estimates based on your building’s actual requirements.
Electricity generated and used on site can replace some purchased power. The resulting savings depend on consumption patterns, tariffs, system performance and project costs. Ask for a calculation that explains these inputs rather than a guaranteed percentage.
Do not assume eligibility. Confirm the current position with the relevant scheme administrator and your tax adviser before including any benefit in the financial assessment. Ask the proposal provider to identify any assumed incentive explicitly.
That requires a project-specific assessment. Compare the initial cost, expected generation, potential savings and ongoing expenses. Review the payback estimate and its assumptions before deciding whether the proposal meets your business objectives.
Photovoltaic cells in the panels generate electricity when exposed to sunlight. The panels form part of a wider installation that includes an inverter and electrical protection. Ask for a system diagram showing how the proposed equipment will serve your building.
Expected operating life and warranties depend on the product selected. Review the manufacturer’s product warranty and performance warranty separately, including their duration, exclusions and claim conditions. Other system components can have different replacement needs.
The schedule depends on the equipment and site conditions. Agree a plan covering inspections, cleaning and performance checks. Ask who is responsible for each activity and what is included in the maintenance price.
The installation needs a suitable roof and a reviewed mounting design. Request a structural assessment and proposed layout before approving the work. Discuss access, waterproofing responsibilities and the appearance of the installation during design.
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