Capalo AI Begins Trading and Optimizing Lithuania’s First Commercial Battery Energy Storage System
Helsinki, 7.10.2025—A new participant has joined the electricity balancing market organized by Litgrid, the Lithuanian electricity transmission system operator, and submitted its first bids – a 1 MW power and 2 MWh capacity energy storage battery system, built by Green Genius in the Alytus district. This is the first commercial storage facility in the country to contribute to ensuring the balance between electricity consumption and production in the Lithuanian electricity system.
”As Lithuania seeks to generate all the electricity it needs from renewable sources, the demand for balancing services is growing, so we are developing the energy balancing market and encouraging new participants to join. The growing technical capabilities of balancing services allow for the integration of larger amounts of renewable energy resources and a reduction in balancing costs. We are delighted with the first commercial battery in the balancing market and eagerly await other projects,” says Donatas Matelionis, Head of the System Power Operations Department at Litgrid.
The Butrimonys battery park is developed by Green Genius, while the full trading and optimization service on the balancing and wholesale markets is provided by Capalo AI. The storage facility system has successfully completed readiness confirmation tests and will provide manual frequency restoration reserve (mFRR) and automatic frequency restoration (aFRR) balancing services. The storage devices will be charged from the grid when there is excess electricity in the transmission system and discharged when there is a shortage of electricity in the system.
“Becoming the first commercial battery storage project to participate in Lithuania’s electricity balancing market is not only a technological milestone but also a clear signal that the country’s energy transition is accelerating. Energy storage is the key to stability in a renewables-based electricity system, and we’re proud that Green Genius is leading this transformation. By strengthening Lithuania’s energy independence and reducing the use of fossil fuels for grid balancing, we’re moving closer to a cleaner and more resilient energy future,” says Ruslan Sklepovič, CEO of Green Genius.
“The first commercial BESS in Lithuania marks an important step for the country’s energy transition. With AI-driven optimization, we can ensure this battery delivers the maximum possible value to Lithuania’s grid,” said Henri Taskinen, CEO of Capalo AI.
Litgrid currently has balancing service agreements with 24 market participants. Some of them are already providing balancing services, while others are carrying out preparatory work.
Capalo AI has also passed the prequalification tests for a large PV asset in Lithuania and received the necessary protocols to provide balancing services in other renewable energy projects. This includes a large solar park developed by UAB Vėjo Galia, which will be integrated with an energy storage facility. The hybrid park is supported by Lithuanian controller provider, UAB TSPI, which has provided the hybrid park power plant controller to the site and built the needed integration with Capalo AI.
Capalo AI is already providing trading services in Latvia, where the first BESS asset is operating on the balancing markets towards Augstsprieguma Tīkls AS (AST). They’ve also signed an agreement to optimize and trade E Energija Group’s 120 MWh Vilnius BESS.
Balancing services can be provided using various technologies, including energy storage batteries, solar and wind power plants, and flexible consumption. Participants in the balancing energy market must be able to offer to immediately reduce or increase their production or consumption capacity so that electricity transmission system operators can ensure a constant balance between production and consumption.
In recent years, the Baltic transmission system operators Litgrid, Augstsprieguma tīkls, and Elering have joined the common European balancing exchange platforms. In October 2024, they joined the manual frequency restoration reserve services platform MARI, and in March-April 2025, they joined the automatic frequency restoration reserve services platform PICASSO. Participation in the European balancing market has opened up new opportunities for electricity producers and large consumers in the Baltic countries to provide balancing services.
About Litgrid:
Litgrid AB, the Lithuanian electricity transmission system operator, maintains the stable operation of the country’s electricity system, manages electricity flows, and creates conditions for competition in the open electricity market. The company operates approximately 7,000 km of overhead lines, over 300 km of cable lines, more than 240 transformer substations, 9 interconnectors and connections with other countries, and continuously maintains the electricity network infrastructure to ensure the proper transmission of electricity to all residents, institutions, and other organizations in the country.
Since December 22, 2010, Litgrid AB shares have been included in the Additional Trading List of the Nasdaq Vilnius Stock Exchange. 97.5% of Litgrid AB shares are held by the energy transmission and exchange group EPSO-G, 100% of whose shares are owned by the Ministry of Energy of the Republic of Lithuania.
About Green Genius:
Green Genius is a renewable energy company on a mission to empower sustainability for people, nature, and the planet. Operating across 7 European markets, the company drives decarbonisation in the energy and transport sectors through solar, wind, battery storage, and biomethane solutions. With 19 years of expertise, Green Genius is at the forefront of Europe’s clean energy transition — aiming to reach over 1 GW of operational renewable capacity.
About Capalo AI:
Capalo AI is a sustainable technology company that maximizes the value of standalone and co-located battery energy storage systems (BESS) across all markets. The company trades flexible assets in Lithuania, Latvia, Finland, and Sweden and is now expanding to Poland. It currently operates over 200 MW of BESS capacity and has over 700 MW of signed capacity.
The Capalo AI turn-key service, Capalo Zeus VPP™, provides route-to-market, AI-optimized trading across all markets, and BRP service, managing everything from prequalification to lifetime value maximization. At the core of Capalo Zeus VPP™ are AI-driven, fully automated trading and optimization strategies. The self-learning trading models combat market saturation, ensuring the standalone battery or hybrid facility generates maximum returns from ancillary and wholesale markets throughout its lifecycle. The trading models, which utilize multi-layered AI-based algorithms, automatically identify and prioritize the most profitable revenue streams.
