Supervisory Activities

Supervisory Activities

ERSE carries out surveillance and inspection activities on companies subject to its regulation and oversight - namely network operators and other regulated infrastructures and energy suppliers - as regards matters falling within its powers.

These actions may be triggered, regardless of prior appointment, for the purpose of investigating complaints that have been brought to the attention of this Authority.

Checks and inspections are a way of monitoring the practices followed by regulated operators, allowing ERSE to fulfil, among others, the following objectives:

To ensure compliance with the legal and regulatory provisions applicable to its regulated operators
To ensure compliance with ERSE’s instructions and decisions
To better support the consolidation of regulated tariffs’ allowed revenues
To check compliance, on the part of agents in regulated sectors, with public service obligations
To monitor fulfilment of quality of service standards
To act following consumer complaints

The monitoring of compliance with rules subject to ERSE’s surveillance is carried out by ERSE’s own means or by duly accredited qualified entities with high levels of quality and independence criteria, and comprises activities carried out on site or off site. ERSE collects data and other elements from operators; it promotes visits to sites; carries out technical tests; programmed or extraordinary audits and inspections, many of which support the definition of allowed revenues through the application of regulated tariffs. Some of the inspections conducted involve sensitive and confidential information.

2024

Sector	Type	Object	Company
	Audit	Continuity of Supply	EEM - Empresa de Electricidade da Madeira, S.A.
	Inspection	Assessment of Wholesale Supplier of Last Resort operation costs	Transgás
	Inspection	Inspection of compliance with the Energy Consumption Efficiency Promotion Plan Regulation	APED - Portuguese Association of Distribution Companies
	Inspection	Inspection action on compliance with the obligations set out in the Smart Grid Services Code for installations integrated in 2022	E-Redes - Distribuição de Eletricidade, S.A.

2023

Sector	Type	Object	Company
	Inspection	Inspection action on domestic invoices from electricity suppliers	Market suppliers
	Audit	Continuity of Supply	E-Redes - Distribuição de Eletricidade, S.A.
	Audit	Continuity of Supply	EDA - Electricidade dos Açores, S.A.
	Inspection	Conclusions and recommendations follow up - Low voltage assets audit	E-Redes - Distribuição de Eletricidade, S.A.
	Inspection	Conclusions and recommendations follow up - Intragroup operations of Galp/Floene group audit	GALP/Floene
	Inspection	Reporting of investments in distribution	REN Portgás Distribuição, S.A.
	Inspection	Conclusions and recommendations follow up - Investments in information systems and costs arising from the new activities undertaken by SU Eletricidade audit	S.U. Eletricidade, S.A.
	Audit	Assessment and critical evaluation of OPEX and CAPEX allocation by voltage levels rules (HV/MV and LV)	E-Redes - Distribuição de Eletricidade, S.A.
	Inspection	Intra-group operations of the EDA Group, nature of maintenance operating costs of production equipment and operations with the company Graciólica	EDA,S.A.

2022

Sector	Type	Object	Company
	Inspection	Mistery client action to nine customer centres and three telephone service lines of electricity and natural gas suppliers to evaluate the commercial quality of service provided to customers. Two scenarios tested: increase/reduction of the contracted power (electricity sector); billing complaints (natural gas sector)	Suppliers
	Audit	Audit of the compliance with the rules and procedures for the change of supplier in the electricity and natural gas sectors	ADENE - Agência para a Energia
	Audit	Invoicing of Network Access Tariffs in Natural Gas Distribution	Lisboagás GDL - Sociedade Distribuidora de Gás Natural
	Inspection	On-site customer service (quality of service, complaints book)	Iberdrola Portugal
	Inspection	Monitoring of accounting separation between regulated and non-regulated activities	MOBI.E
	Audit	Low voltage assets that entered exploration, and were writed-off in 2018 and 2019	E-Redes - Distribuição de Eletricidade, S.A.
	Audit	Application of the incentive to economic rationalisation of investments (IREI)	REN- Rede Eléctrica Nacional, S.A.
	Audit	Investments in information systems and costs arising from the new activities undertaken by SU Eletricidade	SU Eletricidade, S.A.
	Inspection	Supervison of Smart Grid Services Code	EEM - Empresa de Electricidade da Madeira, S.A.

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