Last updated: 25 September 2026
Planning information
The website’s guides and calculator help you prepare for a conversation about home solar. They do not replace a site survey, electrical assessment, final system design or written project proposal.
Calculator assumptions
The estimator uses the electricity consumption, backup load, duration and performance assumptions entered in the form. Its default values are illustrative. Results do not confirm usable roof area, structural suitability, inverter power, starting currents or compatibility between equipment.
Battery estimates assume a full charge, constant demand and the stated usable-capacity and delivery-efficiency factors. Actual backup time depends on charge level, battery condition, connected loads, equipment settings and operating conditions.
Generation and bill savings
Solar output changes with sunlight, weather, shading, temperature, installation details and equipment condition. This website does not guarantee a generation figure, bill reduction, payback period, export income or uninterrupted power.
Utility requirements
Any connection, metering, approval or export arrangements must be checked for the particular property and applicable requirements at the time. Website information is not confirmation of eligibility or approval.
Images and equipment
Images marked illustrative may be generated and do not represent completed customer projects or a commitment to supply a particular product. Equipment models, capacity, warranties and installation scope are confirmed in the written proposal and project agreement.
Installation and maintenance
Solar and battery installations involve electrical and rooftop work. Do not use a website article as instructions to perform this work yourself. Seek an assessment from competent professionals and follow the instructions for the actual equipment.
Discuss your requirements
Request a home survey or call 0300 0124132 to discuss your property and the next steps.