Understanding Seasonal Changes in Your Solar System's Production

Understanding Seasonal Changes in Your Solar System's Production

It's important to understand how seasonal changes can impact your solar energy system’s performance. In North America, energy production typically starts to decline gradually in August and continues throughout the winter, with the lowest output usually occurring in January. However, as the days grow longer, starting in February, production steadily increases and continues to rise through spring. The system reaches its peak performance during the long, sunny days of June and July. Let’s take a moment to explore why this happens.

Why Solar Production Varies by Season

  1. Sunlight Availability: Fewer daylight hours in the winter mean less sunlight for your panels. In contrast, the long days of summer provide more sunlight and lead to higher energy production.
  2. Sun Angle: During summer, the sun is higher in the sky, allowing solar panels to receive direct sunlight. In winter, the sun is lower, so the sunlight hits your panels at an angle, reducing their efficiency.
  3. Weather Impact: Cloudy and stormy weather, common in fall and winter, can also decrease solar production. Snow on the panels can temporarily block sunlight, but once it melts or is cleared, your system will return to its typical performance.
  4. Geographical Influence: The effect of seasonal changes can vary depending on where you live. States with more consistent sunshine, like Florida, see more minor fluctuations than places with more seasonal variation, like Maine.

No Cause for Concern

Seasonal variations in energy production were already accounted for when your system was designed and sized. Your proposal factored in year-round energy output, ensuring your system is optimized for your location and energy needs across all seasons. It’s important to remember that lower production in the fall and winter is entirely normal and does not indicate a problem with your system. This gradual decline typically starts in August as daylight hours shorten. Rest assured, we continuously monitor your system’s performance and will contact you if any issues arise. Please note that we can only monitor the systems of customers who have set up their Enact Home App.

Final Thoughts

While your solar system may produce less energy in the coming months, it’s designed to operate efficiently year-round. We encourage you to embrace the benefits of solar energy during all seasons, knowing that our team is here to support you.