Solar Ray Journal

Simple answers for your rooftop solar journey

How many kW of rooftop solar does your home need?

What does kW mean? A kilowatt, or kW, describes the power rating of a solar system. It is a useful way to compare system sizes. It does not tell you exactly how many electricity units the system will ...

• October 11, 2026

Your rooftop solar site survey: what to prepare

Keep recent electricity bills ready Your installer needs to understand your household's energy use and the connection details on your bill. Several recent bills give a clearer picture than one unusual...

• October 11, 2026

Solar bill savings, explained without the jargon

Your panels make electricity during daylight Sunlight falling on the panels is converted into electricity. Output changes with the weather, season, shade and system design. After sunset, a home withou...

• October 11, 2026