Igor Koprivnikar and Kaloyan Velichkov (photo: GEN-I)
Slovenian power supplier and trader GEN-I and Sofia-based solar and battery developer Sunotec established cooperation in the energy storage sector.
GEN-I and Sunotec have signed a five-year partnership agreement in the field of battery energy storage system (BESS) management.
The Slovenian company would manage two large batteries that Sunotec is building in Bulgaria, the announcement reveals. One is for 150 MW and 379 MWh, and the other is envisaged for 50 MW and 126 MWh. Sunotec plans the facilites to become operational by the end of March 2026, the two companies revealed.
The cooperation is based on a long-term revenue-sharing model
According to the update, GEN-I will perform a variety of tasks for the two BESS systems.
The Slovenian company is the exclusive asset optimiser and trading partner. It would also manage the charging and discharging of batteries, ensuring participation in wholesale intraday and day-ahead markets (DAM) as well as ancillary service mechanisms.
GEN-I’s role includes real-time dispatching, market optimisation and revenue management, with full algorithmic 24/7 support.
The cooperation is based on a long-term revenue-sharing model that aligns the interests of both parties, aiming to maximise market value while ensuring stable operation and full regulatory compliance, the two firms underlined.
Koprivnikar: GEN-I helps batteries work smarter
According to Igor Koprivnikar, Member of the Management Board of GEN-I, it’s the first large-scale cooperation of this size for the company. The deal, in his words, represents a key step forward in growing its portfolio of energy storage assets under management as an asset optimizer.
“With our strong expertise in energy trading across all European markets, optimization, and ultra-short-term algorithmic trading, GEN-I helps batteries work smarter – turning flexibility into real market value,” he added.
Velichkov: We are building resilient energy infrastructure across Europe
Founder and CEO of Bulgaria-based Kaloyan Velichkov said the agreement marks a significant milestone in the firm’s long-term energy storage strategy.
“As we scale our investment portfolio and integrate BESS solutions into our core development, collaborating with experienced and forward-thinking partners like GEN-I is essential. We aim to establish a strong foundation for our independent power producer (IPP) strategy while building resilient energy infrastructure across Europe,” Velichkov underscored.
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