Your smart home could be silently inflating your electric bill. Always-on devices often consume far more power than homeowners realize, but a few simple changes can slash that waste.
A typical household now hosts an average of 20 connected gadgets—smart speakers, streaming sticks, security cameras, and smart plugs—many of which continue drawing power even when idle. This "vampire power" can add 10% or more to monthly electricity costs, according to energy analysts. With global energy prices rising, understanding and controlling this drain has become a practical necessity for budget-conscious consumers.
The phenomenon isn't new—chargers and set-top boxes have long leaked standby power—but the proliferation of always-on smart home devices has magnified the impact. Smart assistants like Amazon Echo and Google Nest listen for wake words, while smart thermostats and lights communicate with cloud servers, all requiring constant low-level energy. A single smart speaker might add only $5 a year, but a full home setup can easily cost $100 or more in extra electricity annually.
CNET identifies several common energy hogs: streaming devices (Roku, Apple TV), smart speakers, and chargers left plugged in. Users can mitigate waste by adjusting settings: lowering screen brightness, enabling sleep modes, and turning off features like voice activation when not needed. Unplugging devices entirely is the most effective, but smart power strips that cut power to idle devices offer a convenient alternative. Disconnecting seldom-used gadgets—such as a smart plug for a seasonal appliance—also helps. Experts recommend conducting a home energy audit with a plug-in meter to identify the worst offenders.
The broader implication is a trade-off between convenience and efficiency. As more homes embrace automation, manufacturers are under pressure to design energy-efficient hardware. The upcoming Matter standard promises better interoperability and potentially lower standby power, but consumers still need to be proactive. The Department of Energy estimates that eliminating vampire loads could save U.S. households $3 billion annually.
Looking ahead, expect smarter energy management features to become standard in smart home platforms, with companies like Apple, Google, and Amazon integrating energy dashboards. Users can also invest in energy-monitoring smart plugs or whole-home systems. The goal: enjoy the benefits of a connected home without letting it quietly drain your wallet.
Technology
→ Neutral
Your Smart Home Is Raising Your Electric Bill. Here’s How to Stop It
Always-on devices can quietly boost your energy use. Here are some settings to change -- and some devices you might want to unplug -- to avoid wasting energy and money.
Alan Bradley
CNET
2 min read
5/10
Key Takeaways
- Always-on smart home devices account for approximately 10% of a typical household's annual electricity consumption, equating to $100–$200 in extra costs per year.
- Common energy-wasting gadgets include smart speakers (Amazon Echo, Google Nest), streaming sticks (Roku, Apple TV), and smart plugs that draw 1–5 watts even in standby mode.
- Changing device settings—such as reducing screen brightness, enabling sleep mode after inactivity, and disabling wake-word detection—can cut passive energy use by up to 30%.
- Using advanced smart power strips that automatically cut power to idle peripherals can reduce standby consumption by 80% for entertainment systems and computer setups.
- An estimated 25% of the average home's total electric bill comes from standby power across all devices, not just smart home gadgets, presenting a broader savings opportunity.
Frequently Asked Questions
Always-on devices like smart speakers and streaming sticks draw constant low-level power even when idle, a phenomenon called vampire power. This can add up to 10% or more to a household's monthly electricity costs because the devices never fully shut down.
Common energy-wasting smart home devices include smart speakers (e.g., Amazon Echo, Google Nest), streaming media players (Roku, Apple TV), smart plugs, security cameras, and smart thermostats. Each may only consume a few watts, but combined they represent a significant standby load.
You can reduce screen brightness, enable sleep or low-power modes, turn off voice activation when not needed, and disable unnecessary background services. For example, setting a smart speaker to disconnect power after a period of inactivity can markedly cut standby consumption.
Yes, unplugging devices entirely is the most effective way to eliminate standby power. If that's inconvenient, use smart power strips that automatically cut power to devices when they sense inactivity, or plug devices into a switchable outlet.
Yes, if used wisely. Smart thermostats, lighting schedules, and energy monitoring plugs can reduce active energy use by optimizing heating, cooling, and lighting. The key is balancing convenience with conscious management of standby power.
Topics
Original source
www.cnet.com
Discussion
Join the discussion
Sign in to post a comment or reply.
No comments yet. Be the first to share your thoughts!