How to Choose the Right Solar Panel System for Your Home

Transitioning to solar energy is a significant step towards sustainability and reducing electricity bills. However, choosing the right solar panel system for your home can be a daunting task given the variety of options available. 

Here’s a comprehensive guide to help you make an informed decision.

1. Assess Your Energy Needs

The first step in choosing a solar panel system is understanding your household’s energy consumption. Review your past utility bills to determine your average monthly electricity usage in kilowatt-hours (kWh). This will give you a baseline for the size of the solar system you need. 

Also, consider any future changes that might increase your energy needs, such as new appliances or an electric vehicle.

2. Evaluate Your Home’s Solar Potential

Not every home is ideal for solar panels. Conduct an assessment of your property’s solar potential by considering factors like: 

  • Roof Condition and Orientation: A south-facing roof with a slope between 15 to 40 degrees is optimal for solar panels in the Northern Hemisphere. Ensure your roof is in good condition and can support the weight of the panels. 
  • Shading: Trees, buildings, or other obstructions can significantly impact solar panel efficiency. Use tools like Google’s Project Sunroof or consult with a professional to evaluate shading issues.
  • Available Space: Calculate the available roof or ground space for installing panels. A larger area allows for a bigger system that will generate more electricity.
Solar panels

3. Understand Solar Panel Types

There are three main types of solar panels, each with its own advantages and disadvantages: 

  • Monocrystalline Panels: Known for high efficiency and sleek appearance, these panels are made from a single continuous crystal structure. They perform better in low-light conditions but are more expensive. 
  • Polycrystalline Panels: Made from multiple silicon crystals, these panels are less efficient than monocrystalline but more affordable. They have a bluish hue and perform well in direct sunlight.
  • Thin-Film Panels: These are lightweight and flexible, making them ideal for unconventional surfaces. However, they are generally less efficient and may require more space to generate the same amount of power as crystalline panels.

4. Consider the Inverter Technology

Single and 3-phase inverters convert the direct current (DC) produced by solar panels into alternating current (AC) used by your home. There are three types: 

  • String Inverters: Suitable for solar panel systems with minimal shading, they connect multiple panels in a series. If one panel’s output drops, it affects the entire string. 
  • Microinverters: These are installed on each panel, ensuring that shading or malfunction in one panel doesn’t affect the others. They offer better performance monitoring and are ideal for roofs with shading issues.
  • Power Optimizers: These are installed on each panel, similar to microinverters, but they work with a central inverter. They optimize the output of each panel individually.
Aerial view of an industrial building with solar panels on the roof

6. Check Warranties and Certifications

Ensure that the panels and inverters come with robust warranties. A standard warranty for solar panels is 25 years, while inverters typically have a 10-15 year warranty. Certifications from organizations like the North American Board of Certified Energy Practitioners (NABCEP) indicate that the installer meets high professional standards. 

Select a Reputable Installer

Choosing a reputable installer is crucial for the efficiency and longevity of your solar panel system. Look for companies like Gurr Brothers Energy who have:

  • Positive Reviews
  • Solid Warranties
  • Proper Certifications

A good installer will also help you navigate permits, inspections, and utility interconnections. By taking these factors into account, you ensure a successful transition to solar energy, maximizing both environmental and financial benefits!

Author: Hunter S.

Send a message

Get in Touch With us Today!