AI · alternatives · 2026

24 alternatives to WATT - Home Energy Monitor

Power to Save Electricity, Money and Environment

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. WATT - Home Energy Monitor launched in 2020; newer entries below may have overtaken it.

1
MeterStats▲82
The ultimate app for keeping track of your energy usage
2023 · pxlwaves.com · its alternatives →
2
Electricity Consumption▲10
Reduce your power bill today
2025 · apps.apple.com · its alternatives →
3
Tesla Powerwall▲928
Tesla home battery
2015 · tesla.com · its alternatives →
4TD
Terminal dashboard that throttles my PC during peak electricity rates▲98
WattWise is a CLI tool that monitors my workstation’s power draw using a smart plug and automatically throttles the CPU & GPUs during expensive Time-of-Use electricity periods. Built with Python, uses PID controllers for smooth transitions between power states. Works with TP-Link Kasa plugs and Home Assistant.
2025 · naveen.ing · its alternatives →
5
Wattspan▲24
Power smarter, save cost
2024 · wattspan.com · its alternatives →
6
Sense▲128
See what's up. Know what's on.
2015 · sense.com · its alternatives →
7
Ecoisme 2.0▲109
A smart energy monitor for your home appliances
2017 · ecoisme.com · its alternatives →
8GA
Glow, a smart energy tracker for your home▲10
2017 · kickstarter.com · its alternatives →
9
Wattagio▲157
Powerful battery informer and save power assistant for Mac
2018 · filincode.com · its alternatives →
10
Watt Predictions▲2
Smarter Grids Start Here.
2025 · wattpredictions.com · its alternatives →
11
Energy Intelligence▲7
Your personal energy assistant
Nov 2025 · energyintelligence.ai · its alternatives →
12
MeterLeader▲69
Create energy saving challenges with real-time energy data
2020 · meterleader.com · its alternatives →
13
WattSmart.app▲2
Smart energy tracking for cheaper electricity bills
Aug 2026 · wattsmart.app · its alternatives →
14
We built a Plug-in Home Battery for the 99.7% of us without Powerwalls▲301
Hi HN! I’m Cole Ashman, founder of Pila Energy. I’ve spent my career working on home energy systems—first as an engineer on Tesla’s Powerwall, where I focused on the Backup Gateway, Solar Inverter, and metering systems. More recently, I led Product at SPAN, where we built the Smart Electrical Panel and integrated with most major home solar, EV, and battery systems. Pila (https://pila.energy/) is a home battery that plugs into a standard wall outlet, provides smart backup power, energy shifting, and grid services. It’s more than a power bank—it’s a distributed energy system…
2025 · pilaenergy.com · its alternatives →
15
CostAware▲60
Home appliance electricity cost calculator
2023 · play.google.com · its alternatives →
16
MeWatt▲71
Real-time energy monitoring and analysis of your appliances
2016 · its alternatives →
17
MeterHero▲87
Track your utilities. Conserve water and energy
2015 · meterhero.com · its alternatives →
18
WattDoesItUse▲2
Find the power consumption of electrical devices.
2015 · its alternatives →
19
Home Management▲4
Track your home's water, electricity & heating — free
Apr 2026 · home-management.dev · its alternatives →
20
Glow▲9
See your home's energy usage. Save on your electric bill.
2017 · kickstarter.com · its alternatives →
21
Span▲125
A new way of managing energy from a former Tesla employee
2019 · span.io · its alternatives →
22
NuWatt▲2
Smart Solar Monitoring
Jun 2026 · portal.nuwatt.co · its alternatives →
23
HowMuchWatts▲5
50 free calculators for home energy costs & savings
Jul 2026 · howmuchwatts.com · its alternatives →
24
Rust test harness that measures energy consumption▲120
Coppers is a custom test harnass for Rust that measures the energy usage of your test suite. - ThijsRay/coppers
2022 · github.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →