Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

kilowatts Screenshots

iPad

iPhone

About kilowatts

Kilowatts uses the latest GFS weather forecast data to generate an hour-by-hour generation forecast for your solar PV system. You can configure the app anywhere in the world and have forecast up to 5 separate systems. Forecasts update 4x daily at approximately 5am, 11am, 5pm and 11pm UTC (GMT).

What's New in the Latest Version 2.60.6

Last updated on Oct 25, 2023

Old Versions

Improved session management, prevent logging back in required in wider variety of circumstances.

Version History

2.60.6

Oct 25, 2023

Improved session management, prevent logging back in required in wider variety of circumstances.

2.60.5

Oct 24, 2023

Bug fix. Refresh displayed current time immediately on app returning from background. Further fixes to menu after app resumes from background. Resolve Login bug from prior rejected review. Prevent endless loop issue during signup at terms and conditions page on some devices.

2.60.2

Oct 20, 2023

Fix: Prevent menu from sometimes not being usable after app is reopened

2.60.1

Oct 16, 2023

Improved bugs/fixes around closing and re-opening the app when it goes into background state.

2.60.0

Oct 16, 2023

Total rewrite. Global availability (previously UK only). Multiple solar systems allowed. Improved login/logout and persistence of user data. Slicker and faster interface, with better offline functionality. Multiple bugs compiled from user feedback removed.

2.5

Nov 4, 2022

We have rewritten our forecasting algorithm to extend out to 15 days. We've also merged it with our website so you can sign in and access forecasts on the web as well as mobile and on multiple devices. We've also ironed out a ton of bugs and improved performance and reliability. You can now also add multiple separate PV systems at the same location, perfect if you have different PV systems with different orientations and tilt angles.

2.3

Apr 29, 2021

Change peak generation to total daily generation.

2.0

Apr 20, 2021

Remove a number of bugs and improve layout.

1.9

Apr 18, 2021

Improved error handling. Rapidly increased forecast load speed.

1.8

Oct 9, 2020

Fixed bugs and improved performance.