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⚠️ One place your CT coil should NOT be...

The CT coil might be a small component, but where it's installed can completely change how your inverter interprets power flow.

Looking at this installation, the CT placement suggests one of two things:

🔹 The CT coil has been installed in the wrong location.

OR

🔹 The entire house is running through the backup side of the system, meaning there are no dedicated non-essential circuits.

Why does that matter?

The CT coil is the inverter's eyes on the grid. If it's in the wrong place, the inverter can make decisions based on incorrect information.

And if the entire house is on backup?

🏠 Your geyser may be running through the inverter.
🏠 High-consumption appliances could be drawing from the battery bank.
🏠 Battery runtime could be significantly reduced.

The CT coil may be one of the smallest parts of a solar installation, but it has a huge impact on how the system performs.

💬 Do you know where the CT coil is installed on your system?

🔗 http://samsam.co.za/mini-form

🚀 Just completed the SIG Energy training, and a few facts really stood out.
Did you know that 50% of SIG Energy's entire workforce is dedicated to Research & Development? That's a massive investment in innovation and one of the reasons they're positioning themselves as a future-focused energy brand.
Although headquartered in Shanghai, SIG Energy has a strong South African presence with warehousing and facilities in Durban, ensuring local support and availability. 🇿🇦
Some other interesting points:
✅ Around 21% market share in South Africa's stackable energy storage sector
✅ 10-year battery swap-out warranty
✅ Replacement batteries guaranteed to be backward compatible
✅ Built-in fire suppression system
✅ Built-in smoke detection sensors that can identify issues before excessive heat becomes a problem
It's always encouraging to see manufacturers focusing not only on performance and features, but also on long-term support, safety, and product development.
What feature matters most to you when choosing a battery storage system: performance, warranty, safety, or future compatibility? 👇
🔗 http://samsam.co.za/mini-form

☀️ Fun Fact: Did you know the Sun produces more energy in a single hour than humanity uses in an entire year?

Think about that for a moment. 🤯

Every day, an incredible amount of energy reaches the Earth completely free of charge. The challenge isn't creating the energy — it's capturing and storing it effectively.

That's exactly why solar technology has advanced so rapidly over the last few years:
🔋 Better batteries
⚡ Smarter inverters
☀️ More efficient solar panels

The future of energy isn't about finding more power. It's about making better use of the power that's already available to us every single day.

Maybe it's time to let your roof start working for you. 😎

🔗 http://samsam.co.za/mini-form

⚠️ Hey Solar Installers of Cape Town... can you spot what's wrong with this installation?

There are multiple installer mistakes hiding in plain sight. 🔍

Some are obvious.
Some are subtle.
And a few could have serious implications for safety, compliance, or long-term system performance.

We've spotted quite a few issues already, but we're curious...

💬 How many can you find?

Drop your answers in the comments and let's see who has the sharpest eye. 👇

☀️ Whether you're an installer, electrician, or solar enthusiast, this is a great opportunity to test your knowledge and learn from real-world installations.

We'll reveal the answers in a follow-up post.

Ready? Zoom in and start looking. 🔎⚡

🔗 http://samsam.co.za/mini-form

☀️ Cape Town doesn’t wait for subsidies… and neither does its solar adoption.

Ever wondered why Europe has so much solar despite having less sunshine than South Africa?

The answer is simple: incentives.

Across many European countries, governments have spent years encouraging solar adoption through tax benefits, rebates, and feed-in tariffs that make renewable energy an easy financial decision.

But here in Cape Town (and South Africa in general), we’ve taken a different path.

⚡ We don’t rely on subsidies to go solar — we rely on necessity, awareness, and smart economics.

For many households and businesses, the shift to solar started because of one key reality:

🔋 Energy security matters
⚡ Grid instability is real
📈 Electricity costs keep rising

And the result is powerful:

✅ Lower long-term energy costs
✅ Independence from the grid
✅ Protection against tariff increases
✅ A cleaner, more resilient energy future

Cape Town has some of the best solar conditions in the world. We don’t need incentives to justify solar — we can see the value every day on our roofs.

If you haven’t made the switch yet, now is a good time to explore your options.

🔗 http://samsam.co.za/mini-form

⚡ Why now might be the best time to invest in solar — even in winter.

A lot of people look at winter and think:

"Maybe I should wait until summer before installing solar."

At first glance, that seems logical. After all, winter yields are lower, and money sitting in the bank is earning interest.

But here's what many people aren't considering...

📈 Hardware prices.

With ongoing uncertainty in the Middle East and pressure on global supply chains, solar hardware prices are showing signs of increasing. The reality is that the money you're earning in interest could easily be offset by higher equipment costs in a few months' time.

And then there's this:

🔋 The sooner you install, the sooner you start reducing your electricity costs.
☀️ Your system is already up and running when the high-production summer months arrive.
📊 You avoid the risk of paying more for the same equipment later.

Solar is a long-term investment. Waiting a few months may feel like you're saving money, but if hardware prices rise, you could end up spending more while delaying the benefits.

That's why, even in winter, now can still be the right time to invest.

💬 Are you waiting for summer before going solar, or would you rather lock in today's pricing?

🔗 http://samsam.co.za/mini-form

⚡ Quick Solar Tip: How do two inverters work together?

Ever looked at a system with two inverters and wondered how they communicate without fighting each other? 🤔

The answer is actually pretty simple.

🔹 One inverter is configured as the Master
🔹 The second inverter is configured as the Slave

The master inverter is in charge of system decisions, while the slave follows the instructions from the master to ensure both units work together as a single system.

In the settings you'll find:

✅ Parallel mode enabled
✅ Modbus communication enabled
✅ Each inverter assigned its own unique address

For example:

🔧 Inverter 1
• Master = Enabled
• Modbus Address = 1
• Phase = A

🔧 Inverter 2
• Slave = Enabled
• Modbus Address = 2
• Phase = A

Think of it like a team. The master is the captain calling the plays, and the slave inverter works alongside it to increase the total power available to the system.

This is how we can put two single-phase inverters in parallel and have them operate seamlessly as one larger system. 🔋☀️

💬 Did you know you could combine multiple inverters like this?

🔗 http://samsam.co.za/mini-form

⚡ The best backup system is the one you don't even notice working.

Atlantic Beach has had its fair share of grid continuity challenges, with ongoing maintenance and outages affecting residents from time to time.

This client experienced exactly that.

Just a few days after we completed their solar and battery installation, the power went out in the area...

But they didn't even realise it. 😎

The only reason they knew there was an outage was because their neighbours were discussing it on the local WhatsApp group.

No rushing to find torches.
No interruption to daily life.
No sitting in the dark wondering when the power will come back.

Just seamless power, exactly as it should be. 🔋☀️

That's the real value of a properly designed solar and battery system. It's not just about saving on your electricity bill—it's about having the confidence that your home keeps running when the grid doesn't.

💬 Have you ever only found out about a power outage because someone else told you?

🔗 http://samsam.co.za/mini-form

🌟 Great energy today — it’s training day!

Did you know we dedicate a full day every single month to product training?

And today is one of those days. ⚡

Why do we do it?

Because the solar industry moves fast — and we want to make sure you’re always getting the most up-to-date solutions, the best options, and the highest level of system optimisation possible.

Every training means better advice, smarter designs, and more efficient systems for your home or business. That’s the goal: keeping you ahead of the curve, not catching up to it. 🔋

When it comes to your solar investment, knowledge really is performance.

🔗 http://samsam.co.za/mini-form

⚡ PART 3: 5kW inverter – What does it really mean?

So this little bad boy is a 5 kilowatt inverter.

What does that actually mean? 👇
It means the maximum continuous power output it can deliver is 5kW at any given time.

But here’s where it gets interesting… 🔧

☀️ PV oversizing is allowed
On this type of system, you can typically install up to around 6.5kW of solar panels on a 5kW inverter.

Why? Because the system is designed to manage it intelligently.

⚡ Current (amps) vs voltage
There are two key limits to understand:

🔹 Voltage limit = IMPORTANT
This is the hard limit of what the inverter can safely accept. If you exceed it, the system will not operate correctly.

🔹 Current (amps) = managed internally
The inverter will “clip” or limit current draw to protect itself, so it naturally manages this side of the equation.

📌 What this means in real life
You can design a slightly larger solar array for better production during:
• Early mornings
• Cloudy days
• Winter performance

But it must ALWAYS stay within voltage limits.

⚠️ This is where good system design matters — not just installing panels, but designing correctly for performance and safety.

💬 That wraps up PART 3 of our inverter breakdown series.

If you want more real-world breakdowns like this, let us know what system we should open up next. 🔧⚡

🔗 http://samsam.co.za/mini-form