Rolls-Royce has received an order from the Latvian transmission system operator Augstsprieguma tikls (AST) to supply a large-scale mtu battery storage system to secure the Latvian power grid. Together with the other Baltic states, the country will synchronize its energy supply system with the continental European power grid in 2025.
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RIGA, Nov. 1 (Xinhua) -- Renewable energy company Utilitas Wind on Friday inaugurated the largest battery energy storage system (BESS) in Latvia to date, local media reported.
Installed at the Targale wind farm in Latvia''s western municipality of Ventspils, the system can store up to 20 MWh and dispatch up to 10 MW of electricity.
This fall, the facility will be connected to the Latvian power transmission system, which is a major step in the development of the Baltic country''s energy supply system. Investments in the BESS project have so far reached 7 million euros (7.59 million U.S. dollars).
"This is a historic moment in Latvia''s modern energy sector. We have been actively working on this project for two years and are proud to contribute to strengthening Latvia''s energy security. We are ready to continue our contribution to the development of the energy supply system," Utilitas Wind board member Renars Urbanovics said at the inauguration event.
The project ensures that energy stored in the system can be dispatched in situations where the power grid is running out of electricity. In periods of high winds, when more power is generated than consumed, the surplus energy can be conveniently stored in the BESS.
Rolands Irklis, chief executive officer of the Latvian power transmission system operator Augstsprieguma Tikls (AST), voiced his hope that other similar projects will soon be launched in Latvia.
"Systems of this type have a high potential to provide AST with the balancing capacities it will need when participating in balancing capacity markets and optimizing the balancing costs for all system participants," he said.
The combination of batteries with wind or solar generation also facilitates an efficient use of the transmission infrastructure, which benefits all system users in the long term, he added.
Utilitas Wind is an Estonian company specializing in renewable energy production, particularly wind energy. It is part of the Utilitas Group, Estonia''s largest renewable energy producer and district heating company. ■
In news from Europe''s Baltic Sea region, Latvia''s first utility-scale battery storage project has been commissioned, while Fotowatio Renewable Ventures (FRV) has entered the Finland market.
In Latvia, developer Utilitas Wind announced the official opening of a 10MW/20MWh battery energy storage system (BESS) last week (1 November) in Targale, a village in Latvia''s north-eastern Ventspils region.
The battery storage system will be connected to the transmission grid this autumn and will enable surplus wind power generated at times of high production to be stored and outputted to the grid when demand peaks and renewable generation is lower.
Utilitas Wind, a subsidiary of Utilitas, an energy generation and distribution company headquartered in neighbouring Estonia, said the BESS project represented a total €7 million (US$7.54 million) investment.
The project comprises six containerised BESS units, three containers of inverters and transformers, and a distribution point container. In a separate press release, Chinese solar inverter manufacturer Hoymiles said it provided the 3.44MWh BESS enclosures and 3,450kW power conversion system (PCS) inverters on the AC side.
The opening event was attended by guests and dignitaries including Latvia''s climate and energy minister Kaspars Melnis, who said that hybrid energy parks that combine different clean energy technologies like wind and batteries "will become common practice in the future, ensuring a stable, minimally weather-dependent energy supply."
Melnis said the project set a high bar for wind farms in the country and noted their importance in the context of Latvia''s energy security.
The minister''s comments come as Latvia, Estonia and Lithuania prepare to disconnect their shared Baltic electricity grid from Russia''s and synchronise with Europe''s next year.
The three countries'' BRELL agreement, which enables parallel energy system operation with the Russia-controlled IPS/UPS synchronous transmission grid area, is due to expire in February 2025.
Estonia''s transmission system operator (TSO) Elering, Latvia''s TSO AST and Lithuania''s LitGrid notified the Russian and Belarusian operators of IPS/UPS that they would not be renewing the agreement when it ends on 7 February 2025, and synchronisation with the European grid is due to go live just two days later.
This has helped drive forward proposals for various large-scale standalone BESS projects in addition to hybrids. Perhaps the most notable example is LitGrid''s 200MW/200MWh portfolio of four BESS sites at strategic locations on the Lithuanian grid, developed by the TSO''s Energy Cells subsidiary and supplied and integrated by Fluence.
LitGrid head of innovation Audrius Baranauskas spoke with Energy-Storage.news about that project last year, including the 1MW/1MWh pilot deployment that preceded the buildout. Baranauskas also discussed rising energy demand in the Baltic States and their need for grid balancing capacity and flexibility to accommodate rising shares of renewable energy.
Back in Latvia, the TSO AST held a tender last year for two BESS projects totalling 80MW/160MWh, which will be supported by European Union (EU) funding, while another recent notable project reported by this site is a 200MW/400MWh standalone BESS in Estonia. Construction began just over a month ago on that project, which is in development by Baltic Storage Platform, a joint venture (JV) between French companies Corsica Sole and Mirova and local energy company Evecon.
In somewhat related news further north on the Baltic Sea, Fotowatio Renewable Ventures (FRV), the clean energy developer headquartered in Spain and owned by Saudi Arabia''s Jameel Energy, is constructing a 60MWh battery storage project with a local partner.
FRV said earlier this week (5 November) that it has entered the Finnish BESS market through a strategic JV with AMP Tank Finland, a developer of energy storage systems in the Nordic and Baltic regions of northern Europe.
The project, in the municipality of Simo – part of the Lapland province – is around 100km from the Arctic Circle. It will connect to the grid via a substation recently built by TSO Fingrid.
Battery storage systems are being supplied and integrated by another Chinese inverter manufacturer, Sungrow, with 26 Sungrow PowerTitan lithium iron phosphate (LFP) battery containerised units to be installed. The site''s layout and grid connection allows for expansion up to 200MWh capacity, FRV said.
It marks the third country in which FRV is deploying large-scale BESS after projects in the UK and Australia. Construction got underway in May this year and the project is expected to go into commercial operation in Q1 2025. Finland''s electricity grid is part of the ENTSO-E synchronous grid of Northern Europe, not the Continental European grid that its neighbouring Baltic States will be synchronised with.
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