How is the electricity from bifacial solar panels stored?

Bifacial solar panels, like all solar panels, generate electricity by converting sunlight into electrical energy. However, the method of storing this electricity is not inherently different from that of traditional monofacial solar panels. The key difference lies in bifacial panels' ability to generate more power by capturing sunlight from both sides, which can lead to more electricity being produced and potentially more stored. Here’s how the electricity is typically stored:

Storing Solar Energy

To store the electricity generated by bifacial solar panels, homeowners and small business owners in the UK generally use battery storage systems. These systems work by charging batteries during the day when the solar panels produce electricity. The stored electricity can then be used during the night or on cloudy days when solar panels are less effective.

Types of Storage Systems

There are several types of battery storage systems available:

• Lithium-ion Batteries: These are the most common type, offering good efficiency and reliability.
• Lead-acid Batteries: Less expensive but heavier and less efficient.
• Sodium-ion Batteries: Emerging technology with potential benefits over lithium-ion.

Practical Applications in the UK

In the UK, bifacial solar panels are becoming increasingly popular due to their enhanced efficiency, which can increase electricity generation by up to 20%. This extra power can make battery storage systems more effective by allowing users to store more energy for later use, such as during peak evening hours or for powering electric vehicle charging.

Real-world Example

For example, installing a bifacial solar panel system at a small business can reduce electricity bills significantly. If the system includes a battery storage unit, excess energy generated during peak sunlight hours can be stored for later use, potentially covering the energy needs of the business during less sunny periods.

Key Pros and Cons

When considering bifacial solar panels with storage systems, it’s important to weigh the advantages and disadvantages:

Pros

• Increased Energy Output: Bifacial panels can generate more electricity, potentially storing more for later use.
• Enhanced Savings: The extra power produced can lead to greater reductions in electricity bills over time.
• Durability and Warranty: Often come with longer warranties.

Cons

• Higher Cost: Bifacial panels and battery systems can be more expensive initially.
• Increased Weight: The panels are heavier due to the double-glazed design.

Common Mistakes and Practical Advice

1. Not Assessing Energy Needs: Ensure you calculate your total energy usage to choose the right size of solar and storage system.
2. Ignoring Roof Conditions: Ensure your roof is suitable for bifacial panels and consider reflective surfaces to enhance efficiency.
3. Overlooking Maintenance: Regularly inspect and maintain both panels and battery systems to ensure optimal performance.

Understanding these aspects allows homeowners and small business owners in the UK to effectively use bifacial solar panels with storage systems to optimize energy production and savings.