Blog

How to Fix Your Underperforming Solar System

How to Fix Your Underperforming Solar System

AllSolar Overberg

How to Fix Your Underperforming Solar System

When the cost of electricity started skyrocketing, and load-shedding became the norm, many people in the Overberg saw solar energy as a smart way to reduce their bills. Being as off the grid as possible topped many homeowners' to-do lists.

While some solar owners reaped the benefits of stepping away from Eskom, others were surprised when their systems didn’t cut costs as much as they thought they would.

If you are one of those people left disappointed by the sun’s performance, the good news is that in most cases, underperforming systems can be fixed with a few simple checks and adjustments.

Michael Rautenbach from AllSolar Overberg in Bredasdorp has seen it all when solar systems fall short of expectations, and is always on the ready with professional advice and solutions.

Image 1
Image 2
 
Four Reasons Solar Systems Underperform

Michael says, most of the time, when your solar system underperforms, it usually boils down to four things. Poor system design, not having a professional energy audit before installation, skipping maintenance, and ignoring your solar logs.

1. Poor System Design

Remember, a poorly designed solar system can cost you money.

If your inverter is too small for your household’s energy use, your system can’t keep up. For example, a family with a 3kW inverter that regularly uses 6kW during the day will still need to get electricity from the grid.

The same goes for panels. If they aren’t in the right spot, shade from a tree or a nearby building can mean your system produces less than it should, even on sunny days.

A well-planned system matches your energy habits and your roof’s seasonal conditions, so every panel and every watt works for you.

2. No Energy Audit Before Installation

An energy audit identifies your household’s energy use before you install solar. 

Skip the audit, and you might end up with a system that’s too small when you’re baking, running the dishwasher, or hosting weekend guests, and too big at times when your home is mostly empty. 

That’s wasted energy and money being poured down the drain.

3. Lack of Regular Maintenance

Solar panels are low-maintenance, but they’re not maintenance-free. 

If you ignore the dust, leaves, and bird droppings, you shouldn’t expect miracles.

Regular checks and ongoing maintenance ensure that your system operates at peak efficiency.

4. Ignoring Your Solar Logs

Modern solar systems come with easy-to-use monitoring apps or logs. Unfortunately, many users don’t check them until there is a problem. 

Small drops in performance can often be spotted early if you know what to look for, saving you headaches and money down the line.

 
How to Fix Underperforming Systems

Don’t panic. If your solar system is underperforming, call AllSolar Overberg! 

Michael and his team will:

1. Inspect solar panels and the inverter to ensure that your inverter is sized correctly, and that nothing is obstructing sunlight.

2. Offer maintenance plans that include services such as panel cleaning, tightening loose wiring, and scheduling more intensive inspections if needed.

3. Review your energy habits and suggest a more effective usage plan. In most cases, using high-power appliances during the day when panels are producing most energy maximises savings.

4. Suggest upgrades that could include adding extra panels, upgrading your inverter or adding batteries.

 
The Bottom Line

Solar energy works best when the system is designed to match your energy use. It should be maintained regularly and monitored carefully. 

Small tweaks and proactive checks often unlock the savings you expected when you first installed your system.

Book a consultation with Michael to ensure your solar system is performing 100%!

How to Fix Your Underperforming Solar System

AllSolar Overberg

AllSolar Overberg is a Bredasdorp-based solar company providing residential, commercial, and agricultural renewable energy solutions throughout the Overberg. As part of a national franchise, Michael Rautenbach and his team of renewable energy experts stay ahead of solar technology trends to make off...

View Profile

What is Xplorio?

Xplorio is your local connection allowing you to find anything and everything about a town.

WATCH THE VIDEO: Welcome to Betty's Bay!
Read More

Other Articles

Concrete Sprinkler Protectors Now on Takealot

Concrete Sprinkler Protectors Now on Takealot

We are proud to announce that Concrete Donuts have officially gone live on Takealot! 

Concrete Donuts
When Anger Leaves a Heavier Weight

When Anger Leaves a Heavier Weight

After an anger outburst, many people are left with something heavier than the original trigger.

UPDATE: SASSA DATES FOR FEBRUARY 2026

UPDATE: SASSA DATES FOR FEBRUARY 2026

The South African Social Security Agency (SASSA) will be in the Overstrand on the following dates from 09:00 - 15:00.

Cancellation of February DHA Visits to Overstrand

Cancellation of February DHA Visits to Overstrand

 (DHA) has informed us that the mobile service visits to Overstrand, scheduled for February 2026, have been cancelled.

Call for Heritage Site Nominations in the Western Cape

Call for Heritage Site Nominations in the Western Cape

We’re inviting the public to nominate places across the Western Cape that deserve recognition and protection as Provincial Heritage Sites...

Understanding the Roots of Anger

Understanding the Roots of Anger

This message is for you if anger feels familiar - even when you don’t want it to be.

See All Articles