PUREENERGYSOLUTIONS
Pure Energy SolutionsProject developerLITHUANIAN POWER SYSTEM
CURRENT STATEBESS charging
+140 MWhPROJECT LOCATIONRIETAVAS55.73859° N · 21.91981° ESauslaukis, Lithuania
Rietavas battery energy storage facility
Energy, when it matters most.
A 35 MW / 140 MWh battery energy storage system strengthening the flexibility and resilience of Lithuania’s electricity grid.
35 MWSystem power
140 MWhStorage capacity
4 hoursDischarge duration
€27.8mProject investment
RIETAVAS · 2026
The battery storage park construction from above
Strategic infrastructure
More flexibility. Greater resilience.
Rietavas BESS will store electricity and deliver it back to the grid when the system needs it most. The project will support frequency control, balancing reserves and the integration of growing wind and solar generation.
How the system works→Inside energy storage
What is inside a battery container?
The enclosure, battery modules and systems that support them. Rotate the container and look beneath its shell.
Explore the full 3D model3D / Assembled
Drag to rotate
Illustrative battery container anatomy.
24 H · BESS
A typical day in Lithuania’s energy system
Night00:00
Lithuanian power grid110 kV
Rietavas BESS35 MW · 140 MWh
Storing energyStored 34% · 48 MWh
01
Direct connection
Connected to Litgrid’s 110 kV substation
The high-voltage connection will allow the system to respond rapidly to grid needs and provide balancing services across the Baltic and Nord Pool markets.
Experienced partners — one goal
Project progress
Grid connection works underway
The project has entered its infrastructure delivery phase. Confirmed construction, equipment installation and grid connection milestones will be published in the updates section.
View project updates→Building a more flexible energy future.
For project, partnership or media enquiries, contact the project lead.
Get in touch↗