Solar Panel Monitoring App Development

I'm looking for a skilled mobile application developer to create a solar panel monitoring app for both iOS and Android platforms. The primary function of the app is to monitor energy output.

The app should display the following data:
- Daily energy output
- Monthly energy output
- Real-time energy output

Ideal Skills and Experience:
- Proficiency in mobile app development for iOS and Android
- Experience in developing applications that display real-time data
- Knowledge of solar energy systems would be a plus
- Strong UI/UX design skills to ensure the app is user-friendly and visually appealing
- Ability to integrate secure data transmission and storage

Please provide samples of similar work done and a rough timeline for project completion.