The Industry's Biggest Trade Show Just Admitted Power Is The Real Problem

CEDIA Expo is running in Denver this week, from 1 to 4 September. It's the biggest annual gathering of home technology integrators in the US, more than 15,000 people and over 300 brands, and it's traditionally been about home cinema, distributed audio, and the kind of custom AV rooms that make for good showroom photos.

This year the programme looks different. The headline theme for CEDIA Expo/CIX 2026 is called "Power Lives @ Home," and it puts power quality, backup, EV charging, and energy management at the centre of what a reliable connected home actually needs. Not the audio processor. Not the lighting scene. The power feeding all of it.

Jason McGraw, the show's Group Vice President and Show Director, put it plainly: "The assumption of power is taken for granted." His point is that a system failure that looks like a control problem, a dropped Wi-Fi connection, an unresponsive keypad, is often a power problem underneath it. Voltage fluctuation. A poorly planned load. An outage nobody accounted for at design stage.

One of the flagship education sessions this week is literally titled "Energy Management: Why Energy is the Real Issue Behind Smart Home System Issues." It covers power conditioning, battery storage, and intelligent load management as the tools that actually keep a system reliable, not the control platform sitting on top. There's a separate session on EV charging and vehicle-to-load concepts, another on lighting load calculations and voltage. The show floor has real categories built around this now: power hygiene brands, backup and PoE infrastructure, smart energy monitoring, outdoor power.

I've been reading through the session list and, honestly, none of it is new to me. It's the argument I make to every client before we talk about a single light switch.

This has been the SA starting point for years

In South Africa, you don't get to treat power as a given. Whether load shedding is actively biting or not right now, the country has spent the better part of a decade teaching homeowners that the grid can drop out with a stage number and a schedule, and that's before you get to municipal faults, transformer failures, and the ordinary voltage chaos of an ageing network.

So when I sit down with a client, the brief doesn't start with "what do you want the lights to do." It starts with what happens to this house during an outage. What's on inverter backup and what isn't. Whether the geyser, the pool pump, and the gate motor are wired in a way that a battery can actually carry, or whether they're going to drain it in twenty minutes. Whether the system can see what the inverter and battery are doing in real time, or whether that's a separate app nobody checks.

That's not a KNX sales pitch. It's the order things have to happen in if you want a home that survives a power event instead of one that just looks impressive when the grid's behaving.

Why the bus matters here specifically

A KNX installation isn't sitting on top of the power infrastructure the way a lot of AV-first systems are. The bus itself runs on its own low-voltage supply, independent of the mains circuits it's switching, so the control layer doesn't go down the instant the lights do. And because inverters and battery systems increasingly expose their data over an open protocol like Modbus, that information can come straight onto the same bus as everything else, logged, visible, and usable by the same logic that's running blinds and lighting scenes.

That means load management isn't a separate system bolted on afterwards. A pool pump or a geyser can be told to run when there's solar surplus and stand down when the battery is protecting itself, using the same group addresses and the same logic engine that runs the rest of the house. EV charging works the same way in principle: a charger that can report and be commanded over an open protocol slots into that same load-aware logic instead of running blind on its own schedule.

I've been planning distribution boards around this exact idea for years: a separate automation sub-board from day one, so backup power is a wiring decision made at design stage, not a retrofit somebody argues about after the inverter's already been fitted.

The interesting part is who's saying it now

What stands out about this week's CEDIA programme isn't that it's telling me anything new. It's that the biggest integrator show in a market that has never had to take grid reliability seriously is now building its entire 2026 education track around the exact problem South African integrators have never had the luxury of ignoring. Power quality, backup, and load management aren't the boring plumbing underneath the interesting AV work anymore. They're being treated as the foundation, in Denver, this week, by an industry that's historically sold on screens and speakers.

That's a good sign for the industry. The design conversation is shifting toward what a home needs to keep working, rather than what it can be made to show off. That's a conversation KNX has been built for since before "smart home" was a category anyone was marketing.

If you're planning a build or a renovation, the question worth asking your integrator isn't what the system can do when everything's fine. It's what it does the moment the power isn't.

Just a conversation about what the project needs.

wayne@knxlogic.co.za | 082 564 3982 | www.knxlogic.co.za