Automatically schedule charging, discharging, and exports to minimise your electricity costs using real-time price data and smart forecasting.
Everything you need to get the most out of your home battery — and more arriving every release.
Built-in linear programming engine with the HiGHS solver plans the cost-minimising charge/discharge schedule 48 hours ahead using real-time and forecast prices.
Coordinate Tesla, OCPP, Zaptec, and generic chargers so vehicles charge during the cheapest periods while meeting your departure target.
Detect wholesale price spikes and force-export battery power to maximise revenue — supports Amber, AEMO VPP, Flow Power, and GloBird.
Monitor AEMO negative-price signals and automatically reduce inverter output with load-following logic across every supported brand.
Enable, disable, or automate Tesla's predictive pre-charging before severe weather — as a switch, a sensor, and an automation trigger.
Separate battery reserve held for vehicle charging during a grid outage, independent of your normal backup reserve.
Enroll or unenroll in Tesla's virtual power plant / grid-services programs directly from Home Assistant or the mobile app.
Purpose-built companion app with real-time energy flow, optimisation schedules, automation builder, and system control.
PowerSync builds you a fully-fledged Lovelace dashboard on setup — power flow, price charts, controls, TOU schedule and more.
PowerSync supports three ways to talk to your Powerwall. The free PowerSync.cc sign-in is exclusive to this site.
Works with the most popular battery inverters and electricity price providers across Australia, New Zealand, the UK, and Europe.
Monitor and control your system from a dedicated mobile interface — live energy flow, LP optimisation schedule, price forecasts, and one-tap configuration.
Install in minutes through HACS.
Open HACS in Home Assistant, click the menu, and select Custom repositories. Add the repo URL as an Integration.
Bolagnaise/PowerSync
Search for PowerSync in HACS, click Download, and restart Home Assistant.
Go to Settings → Integrations → Add Integration, search for PowerSync, pick your Tesla API provider, and follow the wizard.
PowerSync is free, open source, and built in spare time. If it's saving you money on your power bill, consider sponsoring the project to keep new features and battery brands coming.
Sponsor on GitHub