Energy and climate policies that support sustainable development are generating a need for new energy storage solutions. Key drivers in this field include the electrification of transport, the integration of renewable energy production such as wind and solar power, an increased need for grid resilie Contact online >>
Energy and climate policies that support sustainable development are generating a need for new energy storage solutions. Key drivers in this field include the electrification of transport, the integration of renewable energy production such as wind and solar power, an increased need for grid resiliency and security of energy supply as well as new,
The first commercial sand-based thermal energy storage system in the world has started operating in Finland, developed by Polar Night Energy. Polar Night Energy''s system, based on its patented technology, has gone online on the site of a power plant operated by utility Vatajankoski.
The project aims to investigate the potential of different energy storage technologies in Finland. These should be able to store electrical energy and use it to produce electricity, heat, or different
Swiss investment fund and project development vehicle MW Storage has contracted Fluence to supply and integrate a 20MW battery storage asset in Finland. The project will be a 1-hour duration (20MWh) battery energy storage system (BESS) near Mäntsälä municipality in southern Finland''s Uusimaa region, and marks the third collaboration
As Finland is proceeding towards achieving carbon neutrality by 2035, energy storage can help facilitate the integration of increasing amounts of VRES in Finland by addressing the issue of energy supply and demand not matching.
The 4×7 metre steel container contains hundreds of tonnes of sand which can be heated to a temperature of 500-600 degrees Celsius. The sand is heated with renewable electricity and stored for use in the local district heating system.
It has a particularly strong use case in Finland which sees long and very cold winters, and was recently cut off from Russian gas supplies over a payments dispute. The storage system’s developers say it is cheap and easy to build.
The system can discharge a maximum of 100kW of heat power and has a total energy capacity of 8MWh, equating to up to 80 hours’ storage duration, but now authorities want to scale the system to one a thousand times bigger, or 8GWh, according to a report from UK broadcaster BBC.
“This innovation is a part of the smart and green energy transition. Heat storages can significantly help to increase intermittent renewables in the electrical grid. At the same time we can prime the waste heat to usable level to heat a city. This is a logical step towards combustion-free heat production,” said Markku Ylönen, co-founder of Polar Night Energy.
Vatajankoski also uses the heat provided by the storage to prime the waste heat recovered from their data servers so that it can also be fed into the district heating network.
It is the second major thermal storage facility based on a unique (if not novel) technological solution that has progressed this week. Swedish public utility Vattenfall is about to start filling a 200MW-rated thermal energy storage facility, effectively a giant water tank, in Berlin.
The project will be a 1-hour duration (20MWh) battery energy storage system (BESS) near Mäntsälä municipality in southern Finland''s Uusimaa region, and marks the third collaboration between MW Storage and Fluence in the Nordic country.
The Nordic region''s ancillary services markets present an opportunity for fast-responding battery storage assets. According to research group LCP Delta, more than 300MW of grid-scale BESS is expected to come online within the next two years in Finland alone.
According to LCP Delta, that makes Finland the second hottest prospect in the Nordics after Sweden. As of mid-May, Sweden had a pipeline of 400MW of grid-scale batteries expected to come online within 2024.
The northern European region includes Denmark, Finland, Iceland, Norway and Sweden, in addition to autonomous territories and regions in the Faroe Islands, Greenland and Åland.
While there are some energy trading opportunities within the Nord Pool power exchange, the ancillary services markets are the main draw for BESS developers, leading to the majority making the decision to size their assets at relatively short durations.
That said, LCP Delta and other analysts have pointed out that opportunities to make big money from grid services in the Nordics may be relatively short-lived due to the shallow nature of those markets, as has been seen recently in the UK. This is leading to a race to deploy assets in the region.
In terms of other drivers for energy storage, Finland is targeting carbon neutrality by 2035, while its annual electricity demand is projected to increase 20% by 2030, reaching 1TWh by that time.
Last week, Energy-Storage.news reported on two other BESS deals in Finland, with another Swiss firm, Alpiq, ordering a 30MW/36MWh BESS and contracting for operations and maintenance (O&M) services with system integrator Merus Power.
Meanwhile, optimiser Capalo AI won a contract for a different, 38.5MW/38MWh project, which also utilises hardware from Merus Power and in development by private equity firm Arcadian''s local energy storage investment platform eNordic.
The somewhat complex interrelationships between the companies involved does not end there, with Alpiq and MW Storage having worked together in the past, including on one of the first major grid-scale battery projects in their shared home country of Switzerland, deployed in 2020.
MW Storage contracted Alpiq to manage and operate the 20MW/18MWh containerised BESS in Brunnen, in the Swiss municipality of Ingenbohl. That project also used equipment from Fluence. It was expanded to 28MW earlier this year.
In fact, while it will be global energy storage technology provider and system integrator Fluence and MW Storage''s third BESS collaboration in Finland, it will be the fifth joint project the pair have worked on in total in Europe.
The largest project collaboration is in the village of Arzberg in the Wunsiedel region of Germany. At 100MW/200MWh output and capacity, it was claimed to be the biggest grid-scale project in the country at the time of its announcement (Premium Access) in late December 2023, although it looks set to lose that title soon.
Developer Kyon Energy had already received approval for a 137.5MW/275MWh Germany project in November last year, although its commissioning date by the end of 2025 is likely to be later than that of MW Storage''s Wunsiedel project, which aims for early next year.
Additionally, in late April construction began on Eco Stor''s 103MW/238MWh BESS project in Bollingstedt, Schleswig-Holstein and developer Eco Stor is also targeting a number of potential 300MW/600MWh project opportunities in the country.
A topping-out ceremony was held last week for MW Storage''s Wunsiedel project, involving its partners Fluence and BKW Engineering, at the site which is near the Czech-German border.
MW Storage said via LinkedIn that the first transformer has been delivered to the site and set up, which the fund called "a major feat that the very well-rehearsed team mastered with ease."
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