Growatt Off-Peak Planner
Marc Haywood Utilities iPhoneiPadiPod touch
Growatt Off-Peak Planner is a paid Utilities app for iPhone and iPad by Marc Haywood. Requires iOS 18.6. Updated September 28, 2026.
- Price
- 4.99 USD
- on the App Store
- Size
- 11 MB
- Age 4+
- Updated
- Sep 28
- 2026 · v1.53
Screenshots
About Growatt Off-Peak Planner
This app is not affiliated with or endorsed by Growatt New Energy Technology Limited. --- Intelligently charge your Growatt battery with accurate solar forecasting! View and control your Growatt battery and inverter system with a new easy to use interface! Compatible with Growatt SPA, SPH and MIX series inverters. We are always looking to work with volunteers to add compatibility with other models. Key Features: • Off-Peak Energy Planning: Maximise your savings and green energy usage by intelligently charging your battery during off-peak hours. The app helps you determine the best charging strategy based on your energy needs and solar generation forecast. • Accurate Solar Forecasting: Get detailed predictions for solar generation, battery usage, and energy consumption based on current conditions and historical data. • Solcast compatible: Input a free API key from solcast.com for industry leading solar forecasting. • Broad compatibility: Compatible with all energy providers and tariffs with a fixed daily off-peak period. • Further support for Octopus UK's Agile tariff: We can charge your battery during your cheapest time blocks. • Better UI: Stay informed with a real-time view of your home battery and solar performance with an improved energy dashboard. • Customisable Alerts: Set reminders for when it's time to make your off-peak energy plan. • Seamless Integration: Designed to work with Growatt SPA, SPH and MIX systems, ensuring seamless monitoring and control of your solar energy setup. Growatt Off-Peak Planner empowers you with detailed data on how your solar system performs day-to-day. Avoid unnecessary grid charges, ensure your battery is always charged at the right time, and minimise wasted solar energy. It's not just about savings, it's about making smarter, greener energy choices. Currently works with Growatt SPA, SPH and MIX inverters. Please contact us if you have a different model - we are looking to support more.
What’s new
Version 1.53 · Updated September 28, 2026
Changed "preserve external discharge schedule” setting to "preserve existing schedules". It will now attempt to preserve external charge schedules as well as discharge, where possible.
App privacy
The developer, Marc Haywood, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Growatt Off-Peak Planner
Looking for apps like Growatt Off-Peak Planner? Here are 6 similar apps on the App Store. The highest rated is Nauti-Control Mobile (5.0/5), and 5 of the 6 are free to download.
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Growatt Companion
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Jayco Off-Grid V3.9+
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NF Fleet
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Nauti-Control Mobile
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Radius on Map + : draw circle
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PV Calculator.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Growatt Off-Peak Planner | – | 4.99 USD | September 28, 2026 | |
| Growatt Companion | – | Free | Oct 23, 2026 | Compare |
| Jayco Off-Grid V3.9+ | – | Free | Sep 3, 2026 | Compare |
| NF Fleet | – | Free | Oct 21, 2026 | Compare |
| Nauti-Control Mobile | 5.0 / 5 (1) | Free | Sep 9, 2026 | Compare |
| Radius on Map + : draw circle | 3.3 / 5 (4) | 5.99 USD | Aug 17, 2026 | Compare |
| PV Calculator. | 5.0 / 5 (2) | Free | Aug 18, 2026 | Compare |