19/03/2025
The Solar Sizing Mistake: A Lesson in Energy Audits
One afternoon, I received a message from a prospective client.
Client: Hello Engr. Kayode!
Me: Good day, sir, and welcome to ProServ Energy Solutions. How can we serve you better today?
Client: I need a solar solution that can power a small 3-bedroom flat...
At this point, I already sensed where this conversation was heading. Many customers assume that solar sizing is as simple as stating the number of rooms or appliances they own. But the reality is far more complex.
The Common Mistakes in Solar Sizing
1. Underestimating or Overestimating Power Needs
Most people believe that saying "a 3-bedroom flat" or "a shop with a fridge" is enough to determine their solar needs. However, two similar homes can have vastly different energy demands. One may use energy-saving LED bulbs, while the other has halogen lights, heavy-duty freezers, and multiple AC units.
2. Ignoring Peak Load and Usage Patterns
Some appliances, like refrigerators and pumps, consume more power at startup than during continuous operation. Without an energy audit, you might install an undersized system that trips under peak load or an oversized one that wastes money.
3. Neglecting Future Energy Expansion
Many clients forget that their energy needs grow over time. A well-designed solar solution should accommodate future expansions without requiring a costly overhaul.
Why a Proper Energy Audit is Essential
When I get such requests, I always emphasize the need for an **energy audit**. This process involves:
✅ Assessing the actual power consumption – We measure wattage, voltage, and current for each appliance to determine total energy demand.
✅ Understanding usage behavior – We analyze when and how each appliance runs to design a system that efficiently meets those needs.
✅ Recommending the right battery and panel size – Instead of guesswork, we ensure the solar setup is neither underpowered nor unnecessarily expensive.
The Client’s Realization
As I explained this to my prospective client, he had an "aha" moment. "I never thought about it this way," he admitted. "I just assumed any solar company would know what to install."
I smiled. "That’s exactly why many solar users complain after installation. A one-size-fits-all approach doesn’t work. With a proper audit, we ensure your system fits your actual energy needs perfectly."
The Takeaway
If you’re planning to go solar, don’t make the mistake of assuming your home or business needs the same setup as someone else’s. Insist on an energy audit to get the best performance, longevity, and return on investment for your solar system.
At ProServ Energy Solutions , we don’t just sell solar – we design solutions tailored to your needs. Let’s help you power your home or business the right way!
We are just a click away. Click the link below to schedule free Energy audit with us today wa.me/2348115582119