About Vilnius Mechanical Energy Storage Project
E-energija Group has commenced construction on Lithuania’s largest battery energy storage system (BESS) project, the 120MWh Vilnius BESS. This facility, which is set to become Lithuania’s first commercial battery storage site, will significantly increase the country’s storage capacity by around 50%.
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About Vilnius Mechanical Energy Storage Project video introduction
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5 FAQs about [Vilnius Mechanical Energy Storage Project]
Which energy storage facilities will provide Lithuania with instantaneous electricity reserve?
The Government of the Republic of Lithuania appointed Energy cells as the operator of the storage facilities that will provide Lithuania with an instantaneous electricity reserve. Energy cells signed a contract with the winning Siemens Energy and Fluence consortium. Energy storage facilities system design works were started.
How will Lithuania's energy storage system work?
The energy storage system, which will provide Lithuania with an instantaneous isolated operation electricity reserve until synchronisation with the continental European networks (CEN), will be used after synchronisation for the integration of energy produced from renewable sources.
Why is electricity storage important in Lithuania?
Lithuania’s system of electricity storage facilities is essential to ensure the security of Lithuania’s energy system and its ability to operate in isolated mode.
When will Lithuanian power plants start supplying power?
Lithuanian power plants currently operating in the IPS/UPS system can start supplying power within 15 minutes. Once synchronised with the CEN system, the energy storage facilities will be able to store electricity generated by solar or wind power plants and feed it into the grid when needed.
When will energy storage facilities synchronise with the CEN?
The energy storage facilities system will provide instantaneous isolated operation electricity reserve and will provide isolated operation reserve service until the synchronisation with the CEN in 2025. If needed, high-capacity reserve storage facilities will start supplying power immediately, within 1 second.


