Solar Calculator
by Helmut Burk on WordPress.org
A modern, user-friendly WordPress plugin designed to promote solar energy, calculate the potential solar power generation at a specific location.

Solar Calculator results
A WordPress plugin that helps homeowners, installers, and energy consultants easily calculate the potential solar power production of a specific location
Features include:
– Intuitive, responsive frontend calculator
– Featuring an advanced battery comparison chart and table
– Customizable backend settings (regional defaults, pricing presets etc.)
– Multilingual support (WPML, Polylang, etc.)
– Accurate solar yield estimates based on real data
– Battery and installation cost calculators
– Translation-ready with .po/.mo files (DE, GR, IT, EN, ES, FR)
Ideal for solar companies, energy advisors, and eco-conscious site owners.
Made in Germany – optimized for European conditions.
Developer Info
Plugin structure:
/wp-content/plugins/
└── solarrechner/
├── solarrechner.php Main plugin file
├── admin/
├── assets/
├── includes/
├── languages/
└── templates/
└── solarrechner-frontend-i18n.php Frontend template with multilingual support