ELES GROUP

The ELES Group consists of the parent company ELES, d.o.o., the subsidiary Operato, d.o.o., the jointly controlled company ELDOM, d.o.o., and the associate company Stelkom, d.o.o.

ELES GroupELES Group

 

Subsidiaries

  • Operato d.o.o.

    Operato d.o.o. was founded in 2021 to offer system operators products and solutions that improve operational security and enable better utilization of the power system infrastructure. SUMO dynamically calculates the thermal ratings of power lines and transformers based on atmospheric conditions. By sensing every line span of your grid, SUMO optimizes the transmission capacities and improves the security of operation.

    More about the company: www.operato.eu

 

Associated company

  • Stelkom, d. o. o.

    Stelkom is a telecommunications service provider with nearly 20 years of tradition, connecting all major cities in Slovenia and abroad through its backbone network. With its extensive infrastructure across the entire territory of Slovenia, it provides top‑quality services on the technically most advanced access network in the country.
    More about the company: stelkom.si

 

Jointly-controlled company

  • Eldom, d.o.o.

    The Eldom Company from Maribor was founded in 1991. It provides management, maintenance, cleaning and landscape service activities for residential, business and tourism premises.

    More about the company: www.eldom.si

     

 

Capital investments

  • ADEX Holding Ltd.

    The Alpine-Adriatic-Danube Electricity Exchange – ADEX, the first regional power exchange for Central and Southeastern Europe, was officially established on 23 December 2022 in Ljubljana with the formal signing by its founding members: ELES, the Serbian transmission system operator EMS, and the European power exchange EPEX SPOT.
    ADEX was created through the integration of BSP SouthPool and SEEPEX. In 2024, the consolidation of the Slovenian exchange BSP and the Serbian exchange SEEPEX with the Hungarian exchange HUPX under joint ownership was completed.
    With this integration, ADEX is becoming a key electricity trading hub for Central-Eastern and Southeastern Europe, further increasing the liquidity, efficiency, and transparency of the regional power exchange market.

    More about the company: ADEX Home | ADEX

 

 

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