Excellent!
Works amazingly well. Clean user interface and easily set up my Tesla and solar system to take advantage of all of my solar rather than exporting back to the grid.
Free
About
Optimize your electric vehicle charging using your home's solar energy and the cheapest grid electricity. This app intelligently manages charging based on solar production, grid prices, and your car's ready-by time, ensuring efficient and cost-effective power-ups.
✓Charge with solar surplus
✓Buy grid power during cheapest hours
✓Live energy flow monitoring
✓Grid price forecasts
✓Solar production forecasting
✓Customizable charging schedules
✓Home battery or car prioritization
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What's New in Sunplug
0.2.159
September 27, 2026
- UI flow improvement for connecting chargers and connected cars - UI improvements for scheduled charges planned by Sunplug - Add custom names to connected cars and chargers - Bug fixes and security enhancements
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FAQ
What is Sunplug?
Sunplug is a utility app designed to optimize electric vehicle charging by utilizing your home's solar energy production and purchasing electricity from the grid during the cheapest available hours. It intelligently manages charging based on solar forecasts, grid prices, and your car's ready-by time.
How does Sunplug prioritize charging?
Sunplug first prioritizes charging your electric car using any surplus solar energy your home produces. If more charging is needed to meet your ready-by time, it then purchases electricity from the grid during the cheapest available hours according to your tariff.
What information does Sunplug provide?
Sunplug offers live monitoring of energy flows within your home, provides grid price forecasts for upcoming hours, and displays a solar forecast for your home. It also shows planned charges and allows you to review charging costs, energy sources, and savings.
Can Sunplug manage charging for multiple EVs or a home battery?
Yes, Sunplug allows you to set charging preferences for each car, including a ready-by time, grid level, and price cap. You can also choose to prioritize your home battery or your cars for charging.
What equipment is compatible with Sunplug?
Sunplug works with selected inverters, batteries, cars, and smart chargers. Compatibility is dependent on your specific equipment and region. Some setups may require the Sunplug Agent on your home network for enhanced security.
Is Sunplug available on all devices?
Currently, Sunplug is supported on iPhones and iPods. The app is available for download on these devices.
Does Sunplug have ads?
No, Sunplug does not contain advertisements. As a free utility app, it focuses on providing a seamless experience for managing your EV charging.
How often is Sunplug updated?
The latest version of Sunplug is 0.2.159, last updated on September 27, 2026. While specific update frequency is not detailed, the app is actively being developed.
