GIKA – Global Solar ROI Calculator

GIKA SOLAR

Global Solar ROI Engine • Powered by n8n + PVGIS

Live calculator • No signup, instant result

See how fast solar pays back – anywhere on earth.

Enter a few details about your home or project and get an instant estimate of system size, yearly production, investment cost and payback time – using real irradiance data and local economics.

Real PVGIS irradiance

Works for Germany, KSA, UAE & more

Built with n8n automation

Beta

Values are realistic estimates, not quotes. Installers can refine them based on your roof.

Solar ROI Calculator · homeowner view

LIVE · POWERED BY N8N

Name *

Email *

Phone

Country *

City *

Annual Consumption (kWh) *

Tip: Average home in Germany is ~3,500–4,500 kWh/year.

Coverage fraction

Use 1 to cover 100% of your usage. Try 0.6–0.8 for partial coverage.

Electricity price (per kWh, optional)

Example: 0.32 in Germany, ~0.18 in UAE.

System cost per kWp (optional)

Example: ~1400 €/kWp in Germany, ~900–1000 SAR/kWp in KSA.

I agree that my submitted data may be processed to calculate my solar estimate and may be shared with selected solar partners/installers so they can contact me with an offer. I can withdraw my consent at any time. Read AGB & Privacy

Required to submit the form.

Your Result · updated after each calculation

Yearly ↔ Monthly

Waiting for input

No result yet

Fill out the form and click Calculate ROI to see your solar estimate.

These are realistic estimates assuming typical system losses and self-consumption for your country. Your installer can refine them further based on your roof & hardware.

For homeowners

Understand roughly how much solar you need, what it costs and how fast it pays back – before you talk to an installer. Use it to compare quotes or decide if solar makes sense for you.

For installers & EPCs

Embed this calculator on your website, collect qualified leads with pre-filled system size, budget and payback, and call them back with a refined proposal.

For automation lovers

All numbers are generated by an n8n workflow using real PVGIS irradiance data + country-specific economics. Extend it with CRM integration, WhatsApp bots or PDF reports.