Practical authority assets
Commercial Solar Decision Tools
Use these resources to ask better questions before a proposal becomes a capital decision.
Preliminary feasibility screener
Turn roof area, consumption and operating pattern into a transparent evidence checklist, without pretending to produce a quotation or engineering design.
Open tool ↗INTERACTIVE RESOURCECommercial solar quote comparison
Score competing proposals against the assumptions, equipment, project scope and financial method a buyer needs to see.
Open tool ↗INTERACTIVE RESOURCEProject-readiness checklist
Gather electricity, property, roof and decision-making information before requesting a technical assessment.
Open tool ↗INTERACTIVE RESOURCEOfficial-source directory
Go directly to Spanish legislation, IDAE guidance, CNMC information, Datadis and regional energy administrations.
Open tool ↗Important limitation
Screening is not design.
These tools organise the evidence needed for a decision. They do not calculate a binding price, guarantee savings or replace structural, electrical, planning, grid or tax advice.
For the underlying method, use the Knowledge Centre. For a specific site, request an assessment.