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Avoid the Headaches of Multi-Phase Properties

This week alone, I’ve had over 30 phone calls from installers across the country with the same issue.


It usually starts the same way:

“Mate… I’ve got this multi-phase job and I’m hoping you can help me?”

Sometimes they’re not even sure what they’re looking at yet.


Is it split phase (480V)?


Or two phases of a three-phase supply (415V)?

“I haven’t tested it yet…”

The system design usually goes one of two ways:

  • One battery on one phase, or

  • Two single-phase systems, one on each phase


But no matter which way you go… you hit the same wall.

How do you actually manage it as one site, not two separate systems?


Because in the real world, this is what’s happening:

  • Phase A is importing energy

  • While Phase B has a battery sitting there idle


Same property… but they’re not working together.


This is Where It Can Get Even More Complicated


Phase A already has solar installed from a few years ago, running a completely different inverter brand to what you’re installing today.


Now you’re trying to tie together: Old and new systems, Different brands, Different phases



The Simple Solution


Now imagine walking onto that same job with the right tools

Instead of thinking about phases, or individual inverters…

you look at the entire site as one system.


CATCH Power gives you full visibility across the whole site, sends that data to our servers, and manages solar, batteries, and loads together at a site level, not an inverter level.



You install:

  • 1 × 6 Channel CATCH Control → monitoring the entire site and controlling one inverter

  • 1 × 2 Channel CATCH Control → managing the battery or second inverter

Run the Wizard on the 6 Channel device, and it will automatically determine if the site is:

  • Split Phase (480V), or

  • Two Phase (415V)



Done.


How It All Works Together


Each CATCH Control device reports directly to our servers, giving full visibility of the entire site’s energy usage across both phases.


From there, the system responds dynamically.


For example, if there is a load on Phase A, we can direct the battery on Phase B to help offset that demand where required.



By managing everything at the site level through the cloud, the system operates as a single, integrated energy system, rather than two independent phases.


So instead of juggling separate systems…


you’re finally working with one system that works together.



This is the moment installers notice the difference.


No more:

  • Exporting on one phase while importing on another

  • Trying to match old systems with new ones

  • Explaining to customers why it “sort of works”

Now?


They’re just another install.

Handled properly. Managed as one.

Because at the end of the day, the customer doesn’t care about phases…


They care that their system works!

And with CATCH Power, it finally does. You can find the SLD here

 
 
 

4 Comments


Lorraine
Lorraine
4 days ago

This is such a fantastic breakdown of navigating the complexities of multi-phase property developments! Your point about building a whole system around avoiding headaches, born from genuine trial and error, really resonated with me. It’s so true that often the best strategies aren't found in manuals but through lived experience. I’ve found similar personal systems essential in my own work, where a small proactive step can prevent a much larger issue down the line. What truly stands out is how effectively you've distilled this often-frustrating process into actionable advice. I’m genuinely surprised by how sharp and insightful this was on avoiding those common pitfalls. I’m definitely going to spread this with my team; it’s just that good. Hats off for…


houseofjack

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The challenges of managing multi-phase properties in energy systems are indeed significant. The integration of old and new technologies raises questions about efficiency. The example provided illustrates the necessity of a unified approach. However, I wonder if the solutions offered can truly address all complexities. Without addressing each phase's unique attributes, achieving a seamless system seems like a gamble, akin https://dna-art.com to a game at Jackpotjill. It’s essential to thoroughly analyze potential pitfalls before widespread adoption.

https://jackpotjill.site/

Like

Alton
Alton
Apr 05

This article highlights the complexities involved in integrating various energy systems across multi-phase properties. The mention of managing two phases raises critical questions about efficiency and user experience. As we dissect these scenarios, we must consider how solutions like CATCH Power can bridge the gap effectively, especially in contexts where outdated systems coexist https://www.arg.org.nz/ The Pokies are often a metaphor for risk, and here, a similar approach applies—careful management can mitigate complications.

https://thepokies119.net/

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So, just to be sure, what would the current cost be for the hardware, and approximate cost to install the solution, You install:

  • 1 × 6 Channel CATCH Control → monitoring the entire site and controlling one inverter

  • 1 × 2 Channel CATCH Control → managing the battery or second inverter

Like

CATCH Power is an Australian manufacturer of energy management devices.

Our goal is to match household loads with surplus solar, to help homeowners take control of their energy usage. We do this by providing installers with devices to make installations easier while providing complete site control and better customer outcomes. 

We operate 

8:30-5:00 pm
Monday - Friday.
(02) 5700 5717
 

support@catchpower.com.au

sales@catchpower.com.au
 

www.catchpower.com.au

180 Dumaresq Street, Glen Innes, NSW 2370

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Compatible with Fronius, GoodWe, Solis, Alpha ESS, Solplanet, ESYSUNHOME, SAJ, and GE inverters, including multi-brand and re

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