How a sand battery could transform clean energy

At the end of a winding, tree-lined country road in western Finland, four young engineers believe they have a possible answer to one of green energy''s biggest challenges.

2025 Jun 07

Wärtsilä Energy Storage

Wärtsilä Energy Storage is driving the transition to a 100% renewable energy future. We combine time-tested technology with deep grid expertise,

2024 Oct 20

Tampere (Finland) | Maristos Tourist

Tampere, located in southern Finland, is known for its rich industrial history, vibrant culture, and beautiful lakeside setting. Often referred to as the "Manchester of Finland" due to its industrial

2025 Jul 06

Top 31 Battery Storage Companies in Finland (2025) | ensun

Globally, Finland is becoming increasingly relevant in the battery storage market, with potential partnerships and export opportunities emerging as countries worldwide seek to enhance their

2025 Sep 06

Polar Night Energy Oy

Founded in 2018, Polar Night Energy is a Finnish company specializing in the design and manufacture of high-temperature thermal energy storage systems. Our mission is to reduce

2026 Jan 25

Visit us at The Energy Event of Finland 2024 in

At this event, we will highlight our Sand Battery technology—a pioneering thermal energy storage solution that stores excess renewable

2025 Jun 17

Tampere University is leading an EU consortium to enhance eco

The four-year project led by Tampere University, Finland, partners five academics, three research institutes, and three industrial partners from six European countries. The

2025 Feb 22

Industrial Energy Transition and Carbon-Neutral Tampere (Reco

The project is expected to significantly advance the Tampere region''s transition towards a low-carbon energy system and reduce its carbon footprint. The project will also

2026 Feb 06

Polar Night Energy Designs a Sand-Based Heat

Figure 1. The nation of Finland, part of which is above the Arctic Circle. Polar Night Energy''s heat storage systems are currently

2025 Jan 08

World''s first commercial sand battery begins

Polar Night Energy says it''s developed and commercialized a super-cheap, super-simple way of storing energy for anywhere between

2025 Jun 17

Industrial Energy Transition and Carbon-Neutral Tampere (Reco Energy

The project is expected to significantly advance the Tampere region''s transition towards a low-carbon energy system and reduce its carbon footprint. The project will also

2026 Jan 07

Enico Delivers Finland''s Largest Hydropower-Linked Energy Storage

Killin Voima Oy, a subsidiary of Koillis-Satakunnan Sähkö, has ordered from the Tampere-based Enico Oy a 6 MW / 12 MWh energy storage system, which will be the largest

2024 Jun 03

Smart energy storage battery manufacturer in Tampere Finland

Energy Storage Suppliers In Finland Find the top Energy Storage suppliers & manufacturers in Finland from a list including Polar Night Energy, Wartsila Corporation & Merus Power Plc.

2025 Mar 12

Finnish startup secures €1 million to advance fossil-free industrial

Tampere-based startup TheStorage secured €1 million in funding from 2C Ventures and Superhero Capital to develop its sand-based thermal energy storage

2026 Jan 14

TheStorage

About TheStorage TheStorage specializes in flexible industrial heat electrification and scalable energy storage. The company provides sustainable grid-scale energy storage solutions that

2024 May 25

Kalmar''s Innovation Centre in Tampere Finland sets new

Kalmar''s Innovation Centre in Tampere, Finland has achieved zero fossil-based emissions through renewable energy, district heating, and long-term decarbonisation initiatives.

2024 Jun 12

Portable energy storage battery in Tampere Finland

May 20, 2025 · As Finland accelerates its transition to renewable energy, the energy storage project in Tampere stands out as a critical infrastructure development.

2025 Dec 24

Wärtsilä Energy Storage

Wärtsilä Energy Storage is driving the transition to a 100% renewable energy future. We combine time-tested technology with deep grid expertise, helping customers and the energy sector

2025 Nov 11

FINLAND TO HOST 90 GWH THERMAL ENERGY STORAGE

Tampere Energy Storage Industrial Park Project in Finland The target is to build Power-to-Gas plant, which produces renewable synthetic methane, green hydrogen, and district heating from

2024 Mar 05

Outdoor energy storage battery processing in Tampere Finland

Does Finland have a battery storage market? The battery storage market in Finland has been relatively quietin the past year compared to neighbouring Sweden. A few large-scale projects

2024 Dec 22

TheStorage secures €1 million investment to decarbonise

Situated within Tampere''s dynamic startup ecosystem, TheStorage has been engaged with Startup.Tampere and Platform6 as they advance their technology and contribute

2026 Jan 25

85 Top Energy Companies in Finland · January 2026 | F6S

Detailed info and reviews on 85 top Energy companies and startups in Finland in 2026. Get the latest updates on their products, jobs, funding, investors, founders and more.

2024 Apr 21

120kW Inverter Solutions for Solar Energy Storage in Tampere

Summary: Discover how 120kW inverters optimize photovoltaic energy storage systems in Tampere, Finland. Learn about climate-specific design advantages, ROI calculations, and why

2025 Nov 21

One of Finland''s largest energy storage facilities

In this project, the delivery included an energy storage system with installation and commissioning, as well as the management of network requirements. We manage the entire

2024 Jan 14

TheStorage secures €1 million investment to decarbonise industrial

Situated within Tampere''s dynamic startup ecosystem, TheStorage has been engaged with Startup.Tampere and Platform6 as they advance their technology and contribute

2025 Mar 21