Types of Contracts

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​1. Temporary Staf​f

 

​​​​Temporary Staff posts are offered for a fixed period of 5 years with a possibility of renewal. In general, Temporary Staff posts are classified according to the nature of the duties into:

 

  • Administrators' function group (AD): comprises eleven grades (AD5 - AD15) corresponding to technical, administrative, advisory, linguistic and scientific duties,

  • Assistants' function group (AST): comprises nine grades (AST3 - AST11) corresponding to executive, technical and clerical duties.

 

2. Contract Staff​

Contract Staff are classified in four function groups according to the nature of work: 

 

  • Function group I: Manual and Administrative support,

  • Function group II: Clerical and secretarial, office management and other equivalent tasks,

  • Function group III: Executive, drafting and accountancy and other equivalent tasks,

  • Function group IV: Administrative, advisory, linguistic and equivalent technical tasks.

 

The duration of contracts for Contract Staff varies according to the needs of the Agency. Contract Staff are offered a contract with a fixed period of maximum 3 years which may be renewed.​

Careers at ACER are open to nationals of the European Union and EFTA Member States.​
 

3. Seconded National Experts

​Seconded national experts (SNEs) are civil servants from a national, regional or local public administration or an International Governmental Organisation, working temporarily for the Agency and contributing to its work under specific rules.

SNEs are not recruited by the Agency: they do not become ACER Staff Members but remain employed and paid by their initial employer. As a compensation for the additional costs of living temporarily abroad, SNEs are entitled to daily and monthly subsistence allowances.

The initial secondment period cannot not be less than six months and more than two years, renewed up to a total of four years. The period of the secondment may be extended further if decided by the Director.

  

4. Interim Staff

The Agency can be supported by interim staff on a temporary basis, for instance under periods of heavy workload, or for the organisation of events, meetings and workshops, receptions, and welcoming events.

Interim staff is engaged through local contracting agencies. The vacancy notices are posted on various Slovenian job portals.

 

5. Trai​​nees

Trainee positions are targeted to young university graduates to help them in gaining technical and operational experience. Through their everyday work in the Agency, trainees have the opportunity to put into practice the technical knowledge acquired during their studies or professional careers.

Traineeships last for a minimum of three months to a maximum of six and may be extended once for up to six months (1 year in total).

ACER offers different types of contracts:
Documents
See also:

​​

Traineeship Programme

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​Are you a strongly motivated, highly qualified and competent graduate? If your answer is yes, you landed in the right place.

The ACER traineeship programme aims to attract university graduates who are interested in developing professionally by embarking on an exciting learning opportunity.

The programme creates a pool of talents with first-hand experience in the European Union and on the Agency’s specific procedures. In exchange, trainees acquire technical and operational experience through their everyday work in the Agency and are able to practice the technical knowledge acquired in their studies or professional careers.

A traineeship at ACER is a great opportunity to develop professionally in a multinational and intellectually stimulating environment, while contributing to the Agency's mission.

Who can apply?

The traineeship programme is opened for university graduates, nationals of a Member State of the European Union, Norway, Iceland or Liechtenstein who have completed their university studies (3 years or more), attested by a diploma. 

Traineeship candidates are also required to have a very good knowledge of at least two EU languages, one of them should be English.

Traine​eships last a minimum of 3 months to a maximum of 6 and can be extended once for up to 6 other months (1 year in total).

Documents

Have a look at the ACER traineeship open​ call​.

If interested in applying, fill in the Traineeship Application ​Form​, attach a copy of your diploma and send it to Traineeship(at)acer.europa.eu    

Read carefully the Rules before submitting the application!

 

Selection procedure

The Agency draws a list of eligible and suitable applicants according to the current needs and available places.

Before the final selection decision, applicants can be contacted by the Hum​​​an Resources Team to verify their availability, suitability, language skills, and to discuss reciprocal expectations. The final decision is then taken by the ACER Director.

All candidates are informed about the outcomes of the selection procedure.

​Traineeship grant

Trainees not receiving a salary, scholarship or other form of financial support are provided with a monthly grant. As of 1st January 2026, the Traineeship grant amounts to 1,332.05 EUR. Trainees can also be awarded some extra contributions:

  • Travel expenses (beginning and end of traineeship): Trainees who have completed at least a 3-month traineeship period might be entitled to the reimbursement of their travel expenses.
  • Public transportation: All trainees are granted a monthly pass for public transport within Ljubljana.              

FAQ

For more information about the eligibility criteria, rights and duties of trainees, have a look at our FAQs. If you have further questions, contact: Traineeship(at)acer.europa.eu​

How to apply?
About the Traineeship Programme
Find out more about:

Meet your colleagues

Meet your colleagues

We are ACER!

Watch the video & learn more about our commitment in delivering a single and sustainable European energy market.

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What does your position entail in your day-to-day tasks? 

 

My position entails a lot of interaction with stakeholders involved in the market integration process (EC, NRAs, TSOs, NEMOs and market participants) and, of course, with my team. 

My daily tasks essentially consist of making sure that we deliver on time, with the required level of quality and consistency, and in a pleasant working environment.

Is there anything you find particularly enjoyable of working at ACER that you would like to share?


What I find particularly exciting in working in ACER is this opportunity which is given to us to make the difference, to have a real impact on the market integration process. It's always rewarding to see that the work you have been intensively involved in, sometimes during several months or even years, eventually delivers concrete and positive results at EU level.​​

Christophe Gence-Creux - Head of the Electricity Department
Documents

​What do you think about working at ACER?

ACER is a lively and stimulating international working environment, full of opportunities, great colleagues and challenges. Having spent several years working for the Italian energy sector, it is such a great opportunity to be able to directly contribute to the harmonisation of the European energy framework.

What I enjoy the most about working at ACER is the diversity of perspectives it brings together and the high level of commitment. Whether your expertise is legal, scientific, or something else, everyone has a real contribution to bring. It’s exciting to know that our work can directly influence the market and make a difference for the benefit of all European citizens, although it comes with responsibilities.

I also really value ACER’s strong commitment to work–life balance. Its modern and efficient European approach to the way we work supports both high professional standards and personal wellbeing. Such balance helps attracting talented people while fostering a motivated, engaged, and high-performing team.

What do you think about your job at ACER?

HRM has enormous potential to empower people and to release the potential of teams, especially with such an expert, dedicated and diverse team as ours. I like the strong feeling of community and belonging and the possibility to explore and develop my own interests while serving the rest of the staff. 

...and about living in Ljubljana?

 

Since I moved back to Ljubljana, my quality of life has improved a lot. I really appreciate the fact I can walk and bike everywhere. 

Ljubljana, despite being small, has a great offer of events and activities for both locals and expats.

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Ilina
Eleonora Nagali - Team Leader in the Market Information and Transparency Department
Ilina Hristova - HR Management Team

Recruitment process

​​​Every selection procedure is advertised on the ACER website.

Applications are accepted only via the online application tool. Submissions received by any other means or after the deadline will not be considered.

To evaluate all the applications received, a Selection Committee is appointed for each selection procedure. The Selection Committee is composed of at least three members: one member is appointed from the recruiting Department, one from the Administration and a third is proposed by the Staff Committee.

The Selection Committee assesses each application and select the most suitable applicants in an objective, impartial and transparent manner. The selected candidates are then invited to a written examination and an oral interview.

Spontaneous applications

ACER does not consider spontaneous applications. Only applications sent to the relevant functional mailbox before the closing time of an open selection procedure are accepted.  ​

The procedure

Invitations to the interview and written test are sent by the e-mail indicated in the application. The interview is held in English, but the knowledge of other languages may also be tested. Native English speakers can expect to prove their second language skills. The written test is anonymised and conducted in English.

The duration of the written test is between 30-60 minutes followed by 30-60 minutes interview with the appointed Selection Committee.

Candidates invited for an interview, and/or to a medical examination, may be entitled to financial contribution or reimbursement of their travel and subsistence expenses. 

Candidates who successfully achieved a mark equal to or higher than 70% of the total points are placed on a reserve list. Placement on the reserve list does not guarantee an offer letter or recruitment.

The selection process may take several months to be completed. During this period, no information other than the status on current selection procedures is released.

​​All candidates are informed about the outcome of the recruitment procedure.

Interview
Interview and written test
Reserve list and offer letter
See also:
Relevant Documents:

Careers

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​The European Union Agency for the Cooperation of Energy Regulators (ACER) is a decentralised EU agency located in Ljubljana.

Working for ACER means being part of a challenging, dynamic, multicultural environment working towards a single energy market to the benefit of all EU consumers. 

We all share a set of common core values that we incorporate in our daily work and social relations: cooperating, delivering quality results, communicating, problem solving, being service oriented, knowledge sharing, and welcoming diversity.​

Be part of ACER
  • ​Believing in a rewarding mission: As an integral part of ACER, you will be contributing to our work towards a fully integrated and well-functioning energy market in Europe.

  • Supporting growth and development: We sustain your professional development by providing regular feedback and plenty of training opportunities.

  • Being part of a multicultural and dynamic work environment: You will work with experienced colleagues from all over Europe and beyond, interact with the various departments, NRAs and other energy stakeholders. You will have a chance to impart your knowledge and skills to colleagues and trainees.

  • Promoting wellbeing: We support your health and wellbeing. We offer private health insurance, and a wide range of welfare services and recreation activities, such as Pilates and yoga classes, football and fitness trainings, cultural activities, Away Days, ergonomic consulting, professional psychological support, or access to confidential counsellors.

  • Living in one of the green capitals of Europe: Ljubljana is a city with a green soul that proudly holds the European Green Capital 2016 award.​

Working at ACER means:
Find out more about:

Toolbox

Toolbox

Instructions and Forms for Tendering

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​​​The below forms and guidance documents should be read and/or completed, as required.​

The below forms do not need to be submitted for each ACER call for tenders. ​​​​​​​

Please check the tender specifications to understand which specific documents are needed for a call you wish to apply to.​​

Forthcoming calls for tenders (procurement)​ with the indicative title, budget and timing for launch are advertised on the ACER website. 

However, this in​formation is indicative and does not constitute an obligation on ACER to launch any given procedure.

Forthcoming calls for tenders
See Also

Public Procurement

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​ACER, as an Agency of the European Union, possesses its own legal personality and can enter into contractual relationships with persons, companies and other legal entities. 

It is subject to the provisions of the Financial Regulation applicable to the general budget of the European Union, ACER Financial Regulation and the relevant EU procurement directives for the award of public contracts.​

About ACER's public procurement

​You can contact ACER Procurement Team at:​

EMail: ACERProcurement(at)acer.europa.eu

Fax: + 386 (0)8 2053 413 ​

Get in touch
Find out more:
Documents

BoR Meetings

Meeting agendas, minutes and other documents

2026
137th BoR meetingAgendaMinutesBackground documents
2025
136th BoR meetingAgendaMinutesBackground documents
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2024
128th BoR meetingAgendaMinutesBackground documents
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2023
120th BoR meetingAgendaMinutesBackground documents
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2022
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2021
104th BoR meetingAgendaMinutesBackground documents
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2020
96th BoR meetingAgendaMinutesBackground documents
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2019
87th BoR meetingAgendaMinutesBackground documents
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2018
79th BoR meetingAgendaMinutesBackground documents
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2017
71st BoR meetingAgendaMinutesBackground documents
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2016
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Board of Regulators

Board of Regulators

Role

​​​​​​The Board of Regulators plays a key role within the Agency. It is in charge of the regulatory policy and provides opinions on various Agency Acts considered for adoption and issues guidance to the Director.

It approves the Agency’s work programme and is consulted on other key matters.

Board of Regulators

Composition and Independence

The Board of Regulators consists of senior representatives of the 27 National Regulatory Authorities (NRAs) of Member States and non-voting representatives from EEA EFTA States, the European Commission and the EFTA Surveillance Authority.

The Board of Regulators must act independently and must not take instructions from any government of a Member State, from the European Commission, or from another public or private entity.​

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Board of Regulators

Rules of Procedure

The Board of Regulators adopts its ⁠rules of proc​edure, regulating the way NRAs cooperate together through ACER.

Decisions of the BoR are adopted on the basis of a two-thirds majority of the members present (each membe​r has only one vote).​​​

Would you like to dig deeper?

Possible Hearings

Schedule of possible hearings​

​Case N.    

Possible date of oral hearing    

Place of oral hearing
(if applicable)

Case A-001-2022 16 March 2022 - 3 pm CET Videoconference
Case A-013-2021

10 February 2022 - 2 pm CET

(postponed hearing)

Teleconference

Case A-013-2021 

24 January 2022 - 2.30 pm CET Teleconference

Case A-012-2021 

25 November 2021 - 9 am CET Teleconference
Case A-001-2021 (consolidated) 17 May 2021 - 9 am CET​​ Teleconference
Case A-007-2021 (consolidated) 17 May 2021 - 14 pm CET​​ Teleconference
Case A-011-2021 (consolidated) 17 May 2021 - 16:30 pm CET​​ Teleconference
​Case A-008-2020​​ 10 November 2020 - 9:30am CET​​ ​Teleconference
Case A-007-202​0 ​2 September 2020 - 9:30am CET  Teleconference​​
Case A-003-2020
(consolidated)
18 June 2020 - 2pm CET  ​Teleconference
Case A-002-2020
(consolidated)
18 June 2020 - 11am CET Teleconference​
Case A-001-2020
(consolidated)​
 ​
​18 June 2020 - 9am CET Teleconference

​      Case N.: A-006-2019

9 January 2020​

Brussels, CEER premises​​

​      Case A-004-2019 (consolidated)

​25 July 2019 - 10 am CET

​Teleconference*

   ​   Case A-003-2019 BNetzA/ACER

11 June 2019

   --​​  

​      Case A-002-201​9 Tra​nsnetBW GmbH/ACER

11 June  2019​

 --

     ​Case A-001-2019 Amprion GmbH/ACER​​

 

11 June 2019​

   --​  

   ​Case A-002-2018 PRISMA GmbH/ACER

​12 February 2019 - 10.30 to 13.30 CET

   Teleconference​  

   Case A-001-2018 AQ​​UIND Limited/ACER

   26 September 2018 to 3 October 2018

   ACER Premises  

   Case A-001-2017 E-Control/ACER

   28 February 2017 to 3 March 2017

   ACER Premises - Ljubljana  

   Case A-002-2017 VERBUND AG/ACER​​

   28 February 2017 to 3 March 2017  

   ACER Premises​ - Ljubljana​  

   Case A-003-2017 Austrian Power Grid AG/ACER​​

   28 February 2017 to 3 March 2017 

 

   ACER Premises​ - Ljubljana​​ 

   Case A-004-2017 VUEN/ACER​​​

   28 February 2017 to 3 March 2017 

   ACER Premises​ - Ljubljana​​ 

*For further information please contact: BoA(at)acer.europa.eu