FAQ - Frequently asked questions
Yes, it produces electricity for longer throughout the day (morning and evening), which increases self-consumption, despite a slightly lower total output than a south-facing array.
100A is standard for new builds, but it's wise to plan for a higher capacity if you intend to install an electric car charger.
Only if it has an emergency power supply (EPS/Backup) function. Standard grid-tied systems shut down during a power cut for safety.
For a modern home, it's worth planning for a large consumer unit with plenty of spare ways to accommodate automation and future circuits.
An RCD is a safety device that protects against electric shock by cutting off the power in a fraction of a second if a fault is detected.
Currently, the more efficient and aesthetically pleasing (black) monocrystalline panels are the standard.
Rain washes off most dust, but it's worth cleaning the panels every 1-2 years (with demineralised water) to maintain 100% efficiency.
Typically a 6mm² or 10mm² armoured cable, depending on the distance from the consumer unit and the charger's power (7kW/22kW).
Yes, although the return on investment depends on the export tariff you get. Using the energy yourself, especially with a battery, is often more financially beneficial than exporting it.
In any modern installation, all sockets must be earthed for safety.
It is highly recommended, especially for houses in exposed locations, to protect the building and expensive electronic equipment.