What are solar PV cells? Solar Photovoltaic Technology Basics

pv solar system

The PV System Structure

The PV system has several components to store and power your home. The PV solar panels are placed on the roof, and the number of panels and the wattages will depend on the power you need for your home.
The panels are connected, and the combined power and DC electricity is converted to AC and supplied through your home. Most home PV systems have a storage component where the current generated is used to charge connected solar batteries.
This is done using a charger that receives current from the panels and charges the batteries, much like you would charge the battery in your phone or laptop.

What are solar PV cells?

Solar PV cells are the building blocks of solar panels. A solar panel is made up of six different components, but arguably the most important one is the photovoltaic cell, which actually generates electricity.

How Many Panels Would I Need For My Home?

The average home typically requires 20-25 solar panels, but this depends on how much roof space you have and whether the roof can support the weight of solar panels.
For this part, we will use average consumption data to give you an idea of how many solar panels you would require for your home.

Advances In PV Solar Panel Design Has Made Them Lighter

Over the past five years, PV panels have become thinner, more efficient, and more affordable. They have been applied to smaller systems like traffic lights, rooftops, and windows on skyscrapers to make those buildings self-sufficient.
As solar panels become lighter and more efficient, the potential for application in residential and commercial installations becomes more economically feasible and practical.


• In order to provide electricity for your home, that current must first pass through your personal inverter.
• When a home’s solar energy system generates more electricity than a household needs, the surplus is fed back into the utility grid.
• While the sun is out, though, your photovoltaic arrays can generate plenty of energy to keep you going all night long.