Smart Power Strips: Stop Phantom Power and Save Up to $100/Year

Think about everything plugged into your living room right now: the TV, the cable box, the gaming console, the soundbar, maybe a streaming stick. Now think about your home office — the computer, the monitor, the printer, the router, the desk lamp. Every single one of those devices is drawing electricity right now, even if you haven't touched them since last night. This is called phantom power, and it's costing the average household around $100 every year.

The fix is surprisingly cheap and completely automatic. A smart power strip — also called an advanced power strip — detects when your main device (say, your TV) shuts off, and immediately cuts power to everything else connected to it. No unplugging. No flipping switches. Just set it up once and it works silently in the background every single day.

What Is Phantom Power (And Why Should You Care)?

Phantom power, sometimes called vampire power or standby power, is the electricity your devices consume when they appear to be off but are still plugged in. That small red LED on your TV? Phantom power. The little clock on your microwave? Phantom power. Your phone charger sitting on the nightstand with nothing plugged into it? Still drawing power. Individually, each device draws only a few watts. But multiplied across 20, 30, or 40 devices in a typical home, running 24 hours a day, 365 days a year, the cost adds up fast.

The Lawrence Berkeley National Laboratory has studied this extensively and found that standby power accounts for roughly 5–10% of residential electricity consumption in the United States. For a home paying $150/month in electricity, that's $90–$180 per year going toward devices doing absolutely nothing useful. The U.S. Department of Energy estimates the average household loses about $100 annually to standby loads alone. A smart power strip doesn't just nibble at that waste — it eliminates the lion's share of it in the rooms where electronics cluster together.

The Math: How Much Can You Actually Save?

Let's look at a realistic home entertainment setup. A modern TV in standby draws about 1–2 watts. A cable or satellite box can draw 15–20 watts even when idle (one of the worst offenders in the home). A gaming console like a PlayStation or Xbox in standby pulls 1–13 watts depending on settings. A soundbar adds another 1–3 watts. Add it all up, and a typical entertainment center sitting idle overnight draws 20–35 watts continuously — that's roughly $20–$35 per year just from one room, doing nothing.

That's a conservative estimate covering just two rooms. Factor in a second TV, a home office setup, and a collection of phone and laptop chargers, and $100/year in phantom waste is entirely realistic for a typical household. A pair of smart power strips at $25–$35 each pays for itself in under six months.

Best Smart Power Strips to Buy: Our Top Picks

When shopping for a smart power strip, the most important things to look for are: a designated "control" outlet that triggers the others, a few "always-on" outlets for devices like routers and DVRs that need continuous power, and built-in surge protection. App control and energy monitoring are nice bonuses but not essential for saving money.

"Installing a smart power strip in your home is a quick and easy way to start saving money while making your household more energy efficient." — U.S. Department of Energy

How to Set One Up (Takes 5 Minutes)

Plug your primary device — your TV, your desktop computer, your game console — into the strip's control outlet. This is the outlet that "watches" for activity. Plug all the related peripherals (soundbar, streaming stick, monitor, printer, desk lamp) into the switched outlets. Plug anything that needs to stay on regardless — your cable box, router, or alarm clock — into the always-on outlet. That's it. From now on, turning off your main device automatically cuts power to everything else.

Frequently Asked Questions

How much money can a smart power strip actually save?

According to the U.S. Department of Energy, the average household spends roughly $100 per year powering devices that are not actively in use. A smart power strip covering your entertainment center and home office can eliminate most of that waste. At a typical cost of $25–$40, a smart strip pays for itself in under six months and then delivers pure savings for years afterward.

What is the difference between a smart power strip and a regular surge protector?

A regular surge protector simply protects against voltage spikes — it has no ability to cut power to idle outlets. A smart power strip goes further by detecting when devices go into standby and automatically shutting off their power, eliminating phantom load entirely. Many smart strips also include surge protection, so you get both benefits in one device.

Are smart power strips safe for TVs, computers, and gaming consoles?

Yes, with one important note: always plug DVRs, cable boxes, and network routers into the "always-on" outlets that most smart strips include. These devices need continuous power to record content or maintain your internet connection. Everything else — TVs, gaming consoles, monitors, speakers, and printers — is safe to put on the auto-switching outlets.