What makes generation and savings forecasts credible.
Why this matters for Northern Ireland businesses
Commercial solar decisions should begin with measured energy consumption, building suitability and the purpose of the project. Project risks and opportunities differ between sites, and the correct design cannot be established from roof area alone.
What to check
Request documented modelling assumptions, shading inputs and performance ratios.
Ask prospective designers to explain their inputs, design assumptions, equipment specification, responsibilities, exclusions, maintenance arrangements and completion documentation. Compare proposals on a common scope of work.
Questions to ask before proceeding
- Which site survey and load data have been used?
- What are the building and electrical constraints?
- What are the estimated generation and usage assumptions?
- What work is included or excluded from the price?
- Who is responsible for permissions, commissioning and warranties?
Your next step
Use our commercial solar guidance, costs information and business assessment form to prepare for a site-specific proposal.
Planning a commercial solar project?
Review the relevant service guidance or send your site details for an initial enquiry.
Start an assessment →