FAQ’s
Solar PV
Technical Questions
Do Solar PV need constant direct Sunlight?
Do I need a South Facing Roof?
Does Solar really work in Guernsey’s weather?
What happens when I produce more electricity then I'm using?
Do solar photovoltaics work in winter?
How safe and secure are they on my roof, especially during bad weather?
Can I add more panels later on?
Should I install battery storage?
What is the difference between microinverters and string inverters?
If there’s a power cut will I still have electricity?
What is the solar buyback rate in Guernsey?
Can I start with just one panel?
What’s the typical return on investment (ROI) for solar in Guernsey?
What Are the Proven Results of Renew Solar Systems?
The Process
Do I need planning permission for Solar in Guernsey?
Energy Independence
What does energy independence really mean?
How much can I save on my bills?
What does a solar-powered lifestyle feel like day to day?
Battery Storage
Can I charge my battery from the grid?
Do home batteries require maintenance?
How smart is the battery system, and what can I see in the app?
Can a battery power my home during a power cut?
How safe is home battery storage?
What’s the lifespan of a home battery?
Can a battery help stabilise the local grid?
About Renew
How many systems has Renew installed?
Heat Pumps
What is a heat pump and how does it work?
Do heat pumps work in older properties?
What’s the difference between Direct Electric Heating and a Heat Pump?
Other Questions
All About Energy
Are biofuels a Good Option for My Home or the Planet?