Lithuanian energy supplier Ignitis Group, which specializes in renewable energy, has selected Rolls-Royce to supply large-scale battery storage systems from the mtu EnergyPack brand. The order comprises of systems with a total storage capacity of 582 megawatt hours and a total output of 291 megawatts, which will contribute to the power grid in Lithuania from 2027 onwards.
Rolls-Royce has been awarded an order to supply a second mtu large-scale battery storage system to Zeewolde in the Netherlands. Starting in 2026, the mtu EnergyPack will help integrate renewable energies into the grid and support grid stability.
(Bild: Rolls-Royce)
The battery storage systems will be installed at three locations, including the Kelmė and Mažeikiai wind farms and the Kruonis pumped storage power plant. The battery systems store surplus electricity from renewable energy sources and feed it back into the power grid when demand increases, balancing the system and ensuring a reliable power supply.
“An important component of the Rolls-Royce solution is the mtu EnergetIQ Manager, which was developed in-house and is tailored to our battery systems. This intelligent control system not only manages the three battery parks, but also the connected wind farms and controls both power supply and storage,” explained Andreas Görtz, President of Sustainable and Mobile Power Solutions at Rolls-Royce Power Systems. “Battery storage systems are a central component of our strategy. We are proud that our technology is helping to ensure a secure power supply in Lithuania.”
“Power generation from renewables is growing in Lithuania, which makes battery energy storage systems an important guarantee of reliability. They make the network more flexible, enable efficient use of green energy and help maintain stability even through heavy fluctuations. Battery energy storage systems are a key component of green transition as they will help integrate more green capacities, balance the fluctuations in power prices as well as reduce them,” said Darius Maikštėnas, CEO of Ignitis Group.
With this landmark project, Rolls-Royce is further cementing its position as a global leader in integrated energy solutions. Backed by an unmatched portfolio – from today’s proven technologies such as battery energy storage, diesel and gas systems to future-defining innovations including small and advanced modular reactors – the company is at the forefront of tackling the world’s most urgent energy challenges: decarbonisation, resilience, and energy security. By enabling the reliable integration of renewable energy into power grids, Rolls-Royce is strengthening its role in one of the fastest-growing global markets and delivering sustainable solutions that power economies and communities worldwide.
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