Our Customers & Collaborators
Together with these organizations we are making the Smart & Green Energy Transition.
Vatajankoski
Vatajankoski provides district heating and cooling services as well as electricity distribution services to its clients in Kankaanpää region in Western Finland. The company has a long experience of acting in the energy market and they are developing their energy production portfolio towards a sustainable and emission-free future.
Polar Night Energy constructed and operates the first commercial sand-based heat storage in the World for Vatajankoski. The storage provides heat for district heating network in Kankaanpää, Finland, with 100 kW heating power and 8 MWh capacity. Vatajankoski uses the heat provided by the storage to prime the waste heat recovered from their data servers before feeding the waste heat into the district heating network.
Hiedanrannan Kehitys Oy
The historical factory community in Tampere’s Hiedanranta is transforming into a modern and sustainable city district. Hiedanrannan Kehitys Oy is a company owned by the City of Tampere. The company owns the land and buildings in the Hiedanranta area, and its task is to develop them.
Polar Night Energy has a 3 MWh test pilot in Hiedanranta. It is connected to a local district heating grid and has been producing heat for a couple of buildings since the winter of 2020–2021. The pilot enables testing, validation and optimization of the heat storage solution. In the pilot, the energy is partly from a 100 square meter solar panel array and partly from the electric grid.
The City of Tampere
Tampere is the third largest city in Finland and the largest inland centre in the Nordic countries. There are over 238 000 inhabitants in Tampere, and close to half a million inhabitants in the Tampere Region. Tampere is known for its industrial heritage, vibrant culture and beautiful nature.
Polar Night Energy conducted two studies for The Energy Wise Cities project. These studies investigated energy storages as parts of an energy network, and produced vital information about the technical and economic impacts of the emission reducing energy solutions. The results can be used in the development of the Hiedanranta district and contribute to the design of the energy system in the area.
Flexens
Flexens develops advanced sustainable and flexible energy systems. They identify, advise on and carry out full-scale energy solutions. The company is currently developing and implementing a full society scale demo based on the FLEXe concept on the Åland Islands called Smart Energy Åland.
Polar Night Energy is part of the Flexens Smart Energy Ecosystem. Together we are developing energy systems towards 100% renewable energy production. The goal of the co-operation is to increase system level flexibility, optimise the system for cost efficiency and to test new market models to facilitate economic viability of carbon emission free flexible resources.
Solarigo Systems Oy
Solarigo is a Finnish energy company offering renewable solar power. Their solar power plants transform untapped commercial roof space to clean energy generators. Their system generates renewable, emission-free and naturally domestic electrical power. The company has built more than 100 industrial-size plants.
Polar Night Energy's storages provide Solarigo's customers flexible on-demand heat that is both affordable and environmentally friendly. This way the clients can maximise the usage of their solar panels as all the excess electricity is stored and can later be used as heat. The purpose of the co-operation is to enable an even wider utilization of solar energy in Finland.
NewSETS
NewSETS, short for "New energy storages promoting sustainable energy transition in societies", is a project that combines demonstrations, feasibility studies, market and system analyses, as well as communication and dissemination around energy storage. The project partners are Flexens, LUT University, Polar Night Energy and Pumped Hydro Storage Sweden.
The project has received funding in the framework of the joint programming initiative ERA-Net Smart Energy Systems. The initiative has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreements no. 646039 and no. 755970. The project has received funding from Business Finland.
In The Headlines With Our Customers
BBC News made a story about our innovative (and simple) heat storages. Featuring Vatajankoski and The City of Tampere.
What Our Customers & Collaborators Are Saying?
“We are actively developing our energy production portfolio towards a 100% sustainable and emission-free future. Polar Night Energy provides a perfect solution for our needs.”
“The need for storages will increase significantly as variable renewable energy production grows. Polar Night Energy’s energy storage is a great innovation in this area.”
“Polar Night Energy’s solution is an excellent example of electric-thermal sector integration. It is especially potential for helping the energy system over windless cold weeks. And with low emissions. ”
“Preliminary results from Polar Night Energy’s test pilot have been promising. We are looking forward to the results that PNE will now get when the stored energy has been genuinely used in the area’s district heating network. ”