Solar tools, calculators & guides

Honest, independent tools to help you understand solar in Northern Portugal, no signup, no installer pitches.

Quotes & cost

Installer quote red flags
Spot a bad quote before you sign
Open Installer quote red flags
Where your solar money goes
Every euro of a typical system
Open Where your solar money goes
Solar vs other investments
Compare solar to other uses of money
Open Solar vs other investments

Your home

Solar potential map
Irradiance across Northern Portugal
Open Solar potential map
See your system on a roof
Visualise panels on a Portuguese roof
Open See your system on a roof

Planning

Knowledge

Get your free 2026 solar guide for Northern Portugal

Create a free account to unlock your personal guide and save your tool results to a dashboard. No spam, no installer calls, no obligation.

See what’s inside the guide