Solar PV System Options
Solar PV panels can be installed using on-roof, in-roof or ground-mounted systems. On-roof systems are fitted above the existing roof covering and are the most common option. In-roof systems replace part of the roof covering to provide a more integrated appearance, while ground-mounted systems may be considered where suitable land is available.
A south-facing roof will generally provide the highest overall annual generation, but east and west-facing roofs can also perform well. An east-west arrangement spreads generation more evenly across the day, which may better suit how electricity is used within the property. Roof pitch, available space, structural condition and shading are assessed as part of the system design.
How a Solar PV System Works
Solar panels generate direct-current (DC) electricity from daylight. An inverter converts this into alternating-current (AC) electricity that can be used by the property’s electrical installation. The electricity generated is used within the property first, with any surplus directed to battery storage where installed or exported to the grid.
The position of the panels, inverter, battery and associated electrical equipment is determined during the system design and site survey. The completed installation is connected, tested and commissioned in accordance with the relevant electrical and MCS requirements.
Our Solar PV Installation Process
We begin by discussing the property, electricity usage and the customer’s objectives. This allows us to prepare an initial system proposal showing the recommended equipment, estimated annual generation and projected savings. If the customer wishes to proceed, we complete a site survey covering the roof, shading, electrical installation, equipment locations and access requirements.
Before installation, we confirm the final design, DNO requirements, scaffolding arrangements, deliveries and agreed start date. A typical solar PV and battery installation takes approximately three to four days, although this may vary depending on the size and complexity of the system.
Testing, Commissioning and Customer Handover
Once the installation is complete, we test and commission the solar PV and battery storage system. We then explain how the system operates, demonstrate the monitoring platform and, where battery storage is installed, show the customer how to view and manage stored energy.
The customer receives a handover pack containing the system schematic, electrical certification, solar PV test results, equipment information, warranties and operating instructions. We also complete the required Building Regulations notification and provide the MCS certificate once the installation has been registered. Any relevant DNO documentation is included within the handover information.
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