ERSE’s Regulation-Charge Consultation and What It Means for Bankability

ERSE has closed Consulta Pública n.º 142/2026 on stabilising the regulation charges applied across Portugal’s electricity system (SEN) — confirmed this week on erse.pt, under Decreto-Lei n.º 15/2022.
https://www.erse.pt/atividade/consultas-publicas/consulta-p%C3%BAblica-n%C2%BA-142/

It reads as a technical housekeeping exercise — two chapters of the Manual de Procedimentos and the Regulamento Tarifário amended for stability. For anyone underwriting a Portuguese project, it is not.

Regulation charges sit inside every opex line in a bankability model. A regulator that commits to stabilising them removes one more variable an investor or lender has to price in — and in a market where most of the risk conversation focuses on auction timing and permitting, cost-side certainty deserves more attention than it gets.

Part of what we do for developers and investors crossing into Portugal is exactly this: tracking REN, DGEG and ERSE processes as they move, and translating a consultation closure like this one into what it actually changes for a project’s numbers — not just that something changed.

It is also a reminder that Iberia’s regulatory architecture, however stable it looks from outside, keeps moving in ways that reward close attention.

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