Polarium raises $49 million to fund its turnaround

The Swedish energy storage systems manufacturer, Polarium, has raised 500 million Swedish kronor ($49 million) through convertible preference shares to support its turnaround strategy. This financing primarily comes from its existing shareholders, including Vargas Holding, and aims to stabilize the company’s financial situation while supporting its growth prospects.

Share:

Comprehensive energy news coverage, updated nonstop

Annual subscription

8.25$/month*

*billed annually at 99$/year for the first year then 149,00$/year ​

Unlimited access • Archives included • Professional invoice

OTHER ACCESS OPTIONS

Monthly subscription

Unlimited access • Archives included

5.2$/month*
then 14.90$ per month thereafter

FREE ACCOUNT

3 articles offered per month

FREE

*Prices are excluding VAT, which may vary depending on your location or professional status

Since 2021: 35,000 articles • 150+ analyses per week

Polarium, a specialist in lithium-ion energy storage solutions, faces financial challenges despite its presence in a growing market. The company announced that this capital injection would strengthen its position in the energy storage sector, which is witnessing increased demand for more flexible and advanced energy management solutions, particularly for telecom operators.

Key contributors to this fundraising include Vargas Holding, a long-time shareholder, as well as Swedish pension fund Alecta, which invested an additional 100 million kronor in this round. It is worth noting that Vargas Holding is also a co-founder of Northvolt, another Swedish battery firm currently seeking funds to continue its development projects. The participation of other institutional investors such as AMF and RoosGruppen highlights the ongoing interest in Polarium’s restructuring despite its current difficulties.

Strengthening market positioning

The energy storage market is growing rapidly, driven by the rise of renewable energy and the need to stabilize power grids. Polarium, despite its difficulties, has expertise in producing lithium-ion battery systems for telecommunications and other energy sectors. The new financial support could allow the company to continue innovating and strengthening its position amid growing competition.

One of Polarium’s main challenges is to convert this capital into sustainable growth levers. This includes not only modernizing its production capabilities but also expanding its product portfolio. Demand for energy storage systems remains strong, particularly in Europe and North America, which could provide the company with opportunities to bounce back.

Challenges for Polarium

Despite this capital injection, Polarium faces significant challenges, notably the need to restore profitability. Production costs, margin pressures, and competition in the battery sector remain major obstacles. However, the company’s relationship with institutional investors like Alecta and AMF could provide the financial stability needed to overcome this difficult phase.

Additionally, Polarium will need to maintain strong partnerships, particularly with Vargas Holding, which is also involved in Northvolt’s development. This relationship could yield valuable synergies in technology and production, enabling Polarium to enhance its products and better meet market demands.

Future prospects

Polarium’s future largely depends on its ability to effectively execute its turnaround plan. With the support of its shareholders, the company may consider new developments, both in terms of products and markets. If Polarium manages to stabilize its finances and innovate within the battery segment, it could capitalize on the anticipated growth in the energy storage sector, which is crucial for the decarbonation of energy grids.

Ultimately, this fundraising marks a critical juncture for Polarium, which must turn this opportunity into a concrete growth strategy to regain a positive trajectory in an increasingly competitive sector.

The collapse in storage costs positions batteries as a key lever for dispatchable solar, but dependence on Chinese suppliers creates growing tension between competitiveness and supply chain security.
JA Solar has launched a microgrid combining 5.2 MW of solar and 2.61 MWh of storage at an industrial site in Sicily, marking its first application of the "PV+Storage+X" model in Italy.
Sinexcel has installed a 2MW/8MWh energy storage system in Matsusaka, marking a breakthrough in a regulated market after five years of technical partnerships and gradual deployment in Japan.
Inlyte Energy has successfully completed factory validation testing of its first full-scale iron-sodium battery, witnessed by Southern Company, paving the way for a pilot installation in the United States in early 2026.
Neoen begins construction of a new 305 MW stage in Australia, raising its total battery storage capacity in the country to 2 GW, and signs two additional virtual battery contracts with ENGIE.
ENGIE has awarded NHOA Energy the contract for a 320 MWh battery energy storage system in Drogenbos, marking a new step in their industrial partnership in Belgium.
Stardust Power has completed an independent review of its lithium refinery project in Muskogee, confirming technical feasibility and compliance with industry standards for its initial production phase.
California-based battery manufacturer South 8 Technologies has secured $11mn to boost production of its LiGas cells, targeting military and space applications under extreme conditions.
Samsung SDI will supply LFP cells for energy storage systems in the United States starting in 2027, under a multi-year deal valued at $1.53bn.
Bitzero Holdings launches a new 70 MW expansion phase in Namsskogan, Norway, targeting a total capacity of 110 MW and an upgrade of its high-performance computing capabilities.
Remixpoint and Nippon Chikudenchi have formalised a partnership to develop seven 2MW/8MWh BESS facilities by October 2026 through a newly established joint venture.
UK-based Ray Systems has selected Beam Global to supply tailored battery systems for its new autonomous underwater drones, aiming to extend mission duration without compromising stealth or manoeuvrability.
Sungrow has started construction on a 200 MW/400 MWh battery storage system for ENGIE, aimed at strengthening grid stability in a state heavily reliant on renewable energy.
Blue Current secures over $80mn in funding led by Amazon to industrialise its silicon solid-state batteries for large-scale mobility and stationary applications.
AGL has begun construction of a 500 MW battery storage system in Tomago, a project valued at AUD800mn ($530.8mn), in the Hunter region, with commissioning expected in 2027.
Real estate group JALCO Holdings diversifies its activities by investing in a 2 MW/8.1 MWh battery energy storage system developed by Taoke Energy in Narita, Chiba Prefecture.
BKW is conducting feasibility studies on four sites to assess the profitability and development conditions for large-scale battery storage installations in Switzerland.
A 300 MW/1,200 MWh electrochemical energy storage facility has been commissioned in China, marking a major milestone in the country’s largest publicly funded energy infrastructure project.
Sustainable Holdings is developing a battery storage facility in Matsusaka, with operations scheduled to begin in June 2026 on Japan’s electricity market.
California-based Korbel Winery is now equipped with an integrated energy storage and intelligent control system, installed by Energy Toolbase and BPi, to optimise usage and address local grid constraints.

All the latest energy news, all the time

Annual subscription

8.25$/month*

*billed annually at 99$/year for the first year then 149,00$/year ​

Unlimited access - Archives included - Pro invoice

Monthly subscription

Unlimited access • Archives included

5.2$/month*
then 14.90$ per month thereafter

*Prices shown are exclusive of VAT, which may vary according to your location or professional status.

Since 2021: 30,000 articles - +150 analyses/week.