Solar Self-Consumption (Autoconsumo) in Portugal in 2026 — A Practical Guide to UPAC Tiers, the DGEG Communication, the ERSE Surplus-Injection Rules and What Your Roof Actually Earns
Portugal closed 2024 with 237,000 self-consumers and 1.8 GW of installed UPAC capacity. This 2026 guide walks foreign residents through the four DGEG/ERSE capacity tiers, the SERUP communication, surplus-injection rules to the CUR, and the payback maths on a typical Portuguese roof.