Contact PV Yield

Questions, corrections, and data feedback help improve the calculator.

Email: support@rumtstic.com

Use this contact channel for calculation issues, tariff data corrections, weather source questions, accessibility problems, or privacy requests.

When reporting a calculation issue

• Include country, city, capacity, currency, tariff, cost, and project life inputs.
• Describe which result looks wrong: payback, IRR, NPV, LCOE, generation, or monthly revenue.
• If using custom POA data, include whether each of the 12 monthly values is in kWh per square meter.

Business information

PV Yield is operated as an online solar investment estimation tool. Business and support information should be kept current so users can understand who operates the service and how to request corrections.