What is Estonia's largest battery energy storage system?

It will be used to provide Estonia’s state-owned energy company, Eesti Energia, has officially launched the country’s largest battery energy storage system at the Auvere industrial complex in Ida-Viru County. The 26.5 MW/53.1 MWh facility aims to enhance regional grid stability and reduce peak electricity costs for consumers.

How will a battery energy storage park work in Estonia?

The battery energy storage park and its substation will be connected to the electricity transmission network using a 330kV AC underground cable, marking a first in Estonia. Baltic Storage Platform confirmed that the BESS will seek to ensure the stability and resilience of the Estonian electricity grid.

Will Estonia & Latvia re-integrate their electricity networks with Europe by 2025?

The project, aimed at preparing Estonia, Latvia and Lithuania to integrate their electricity networks with European ones by 2025 and thus shaking off their reliance on the Russian grid. Planned battery storage park of 200 MW and 400 MWh of storage capacity equivalent to 90 000 households’ energy.

Why are lithium-ion batteries gaining space in Estonia?

When countries are trying to reduce their greenhouse gas emissions for meeting the climate targets, the role of energy storage would be crucial. Lithium-ion batteries are also gaining space in Estonia to reduce dependence on other countries for power and to ensure a cleaner energy mix in line with its goal to build more battery parks.

Why is energy storage important for Estonia?

Energy storage is also critical for the ability of Estonia to achieve zero-emission levels for electricity generation by 2030.

Who delivered the Eesti Energia project?

The project was delivered by energy solutions system integrator Diotech Group, which won Eesti Energia’s international tender in 2023. It was supplied with battery technology from LG Energy Solution. Installation and connection work were carried out by Enefit Solutions.