How is solar energy stored?

Solar energy can be stored primarily in two ways: thermal storage and battery storage. Thermal storage involves capturing and storing the sun’s heat, while battery storage involves storing power generated by solar panels in batteries for later use. These methods enable the use of solar energy even when the sun is not shining.

How to store solar energy?

Let’s begin with understanding the major methods of how to store solar energy. One of the most common and effective ways to store solar energy is through batteries. Batteries store excess energy generated during sunny periods for use during cloudy days or at night.

How does solar energy storage work?

Before the electricity generated by the solar panels is sent to the battery, it passes through a charge controller. The charge controller regulates the voltage and current going into the battery to prevent overcharging, which could damage the battery. The core of solar energy storage lies in the battery.

How do solar batteries store energy?

The principle of storing energy in batteries, first pioneered by Alessandro Volta in 1793, forms the foundation of how modern solar batteries store power today. By converting electrical energy into chemical energy, batteries offer a reliable way to store solar energy for use when needed—whether during the night or during a power outage.

Why is solar energy storage important?

Solar energy storage facilitates the accessibility of electricity in remote or off-grid areas. This is particularly significant for communities without access to a stable power infrastructure. Efficient storage systems help prevent the wastage of excess solar energy generated during peak sunlight hours.

How can solar energy storage improve the economic viability of solar power systems?

In regions with net metering policies, solar energy storage can also enhance the economic viability of solar power systems. Excess energy generated by solar panels can be stored in batteries and used later, reducing the need to export surplus energy back to the grid.