6 Best Energy Monitoring WiFi Smart Plugs 2026

The Kasa KP125M delivers a power-packed smart plug experience with rock-solid Matter integration, making it a standout for users invested in cross-platform smart homes. With real-time energy monitoring, compact form factor, and native support for Apple Home, Alexa, and Google Home, it solves the all-too-common frustration of fragmented ecosystems and clunky controls. Its UL-certified flame-retardant build adds peace of mind, especially when left plugged in for heaters or high-draw appliances—perfect for safety-conscious households.

In real-world testing, the KP125M shines with consistent LAN-based control via Matter, meaning your lights or fans keep responding even during internet outages—a rare but critical advantage. The Kasa app logs energy usage over time, offering actionable insights into device consumption, though it lacks cost estimation features found in some rivals. It handles loads up to 15A/1800W with ease, ideal for space heaters or coffee makers, but operates only on 2.4GHz Wi-Fi, which may limit placement in larger homes with spotty coverage.

Positioned as the best value multi-pack, the KP125M beats budget plugs by offering full Matter functionality without compromise, unlike non-Matter competitors that lock you into one ecosystem. It’s ideal for users building a future-proof smart home with reliable local control. While pricier than basic models, its combination of security, compatibility, and energy tracking outperforms cheaper alternatives like the Tapo P115—delivering smarter automation at a competitive cost.

The Tapo P115 bursts onto the scene as a budget-savvy energy tracker that doesn’t skimp on intelligence, offering detailed energy insights and automatic cost-saving features at a shockingly low price. Its standout strength? The ability to estimate energy bills and schedule high-draw devices during off-peak hours—making it a game-changer for cost-conscious users battling rising electricity rates. With ETL certification and overload protection, it’s safe for everyday use on fans, lamps, or phone chargers.

During daily use, the P115’s intuitive energy charts in the Tapo app make it easy to spot power-hungry devices, while its auto-shutoff feature prevents dangerous overloads—a smart safeguard for older appliances. It supports voice control via Alexa and Google Assistant, and scheduling works flawlessly, though it lacks Matter support, meaning no local control during internet downtime. The 2.4GHz-only Wi-Fi can be a hurdle in larger homes, and the app doesn’t support Apple Home natively.

As the best budget basic energy monitoring plug, the P115 undercuts premium models while delivering essential tracking and automation. It’s perfect for renters or smart home newcomers who want actionable data without complexity. Compared to the Kasa KP125M, it trades ecosystem flexibility for affordability—offering stronger cost analysis but less future-proofing than Matter-enabled rivals.

The Tapo P210M redefines smart outlets by going in-wall, delivering dual-outlet control and energy monitoring in a sleek, space-saving design that eliminates unsightly power strips. As the only in-wall option with Matter certification, it’s a pioneer for whole-home automation—ideal for replacing outdated outlets with smart, secure, and energy-aware alternatives. Its enhanced relay durability prevents welding failures, a common flaw in cheaper smart plugs, ensuring long-term reliability.

In practice, the P210M excels in whole-room automation, letting you control lamps and TVs independently via the Tapo app or voice commands. The energy monitoring feature tracks usage for space heaters or entertainment systems, helping reduce waste. It supports local control without Wi-Fi, a rare perk that keeps lights on during outages, and its Away Mode randomly toggles devices to deter burglars. However, installation requires neutral wire access, limiting use in older homes, and setup is more involved than plug-and-play models.

For users seeking permanent, invisible smart control, the P210M is unmatched—especially when compared to plug-in models like the Eve Energy. It’s the ideal upgrade for modern homes with updated wiring, offering greater load capacity and dual outlets in one unit. While less convenient than portable plugs, its built-in security, durability, and dual control make it a smarter long-term investment than standalone smart plugs.

The Eve Energy stands tall as the best overall smart plug, combining Thread-powered reliability, bulletproof privacy, and precision energy metering into a premium package that feels engineered for pros. Its Thread network integration ensures rock-solid connectivity through Apple TV or HomePod hubs, eliminating Wi-Fi dropouts and enabling lightning-fast local control—perfect for mission-critical automations like turning off a forgotten iron. Most impressively, it offers 100% local communication with no cloud dependency, meaning your data never leaves your home.

Real-world performance is flawless: energy readings update in real time with granular detail down to the watt, and the Home app displays consumption history with stunning clarity. It integrates seamlessly with Apple Home, Alexa, and SmartThings via Matter, and responds instantly to voice commands. However, it requires a Matter hub (like HomePod or Echo), which adds cost, and lacks scheduling within its own app—relying instead on platform-level automations. The 2.4GHz Wi-Fi limitation still applies, but Thread compensates with superior mesh performance.

Positioned above budget models, the Eve Energy justifies its cost with unmatched privacy, stability, and accuracy—making it the top pick for Apple-centric homes and privacy advocates. Unlike the Kasa KP125M, it doesn’t need cloud routing, and compared to the Tapo P115, it delivers far more precise data with zero tracking. For those who value security, speed, and sovereignty over smart home data, the Eve Energy sets the gold standard.

The SONOFF S31 is a budget powerhouse, delivering full energy monitoring and timer functionality at a price that undercuts nearly every competitor—making it the best low-cost entry into energy tracking. With real-time power, voltage, and current readings, plus the ability to store 100 days of usage data, it offers pro-level insights without the premium tag. Its eWeLink app is intuitive, and setup takes minutes, solving the pain point of complex configurations that plague many smart devices.

In daily use, the S31 handles high-draw appliances like space heaters and vacuums with ease, staying stable up to its 15A limit. The timer and scheduling features work reliably, perfect for turning off holiday lights or managing laundry cycles. However, the app occasionally lags during peak times, and voice control is limited to Alexa and Google—no Apple Home support. While it logs detailed energy costs, the interface isn’t as polished as Tapo or Kasa, requiring more manual interpretation.

For users who want maximum data for minimum spend, the S31 is unbeatable—especially when compared to the Tapo P115, which offers similar features at nearly double the price. It’s ideal for DIYers, students, or secondary homes where budget matters most. While it lacks Matter and Thread, its raw functionality and ultra-low cost make it a smart choice for no-frills energy awareness.

The Tapo P110M strikes a brilliant balance between affordability and future-proofing, emerging as the best budget multi-pack with Matter support—a rare combo in the sub-$30 range. It brings seamless cross-platform control via Apple Home, Alexa, and Google Assistant, solving the fragmentation issue that plagues non-Matter devices. With real-time energy tracking, cost estimation, and overcurrent protection, it delivers premium features without the premium price, making it perfect for outfitting multiple rooms affordably.

In real-world use, the P110M’s Matter integration ensures smooth local control, even when the internet drops—a major win over cloud-dependent plugs. The Tapo app provides clear visuals of energy usage and allows scheduling devices to run during off-peak hours, helping reduce bills over time. It handles loads up to 15A safely and fits snugly into outlets without blocking adjacent ports. However, like all in this lineup, it runs only on 2.4GHz Wi-Fi, which may limit performance in larger homes.

Compared to the Kasa KP125M, the P110M offers nearly identical Matter functionality at a lower per-unit cost, making it a smarter buy for bulk installations. It’s ideal for users who want reliable, secure, and ecosystem-flexible plugs without overspending. While it lacks the compactness of the KP125M, its combination of Matter, energy insights, and value makes it the top pick for budget-conscious smart homes.