News archive

The Rozna mine in Czech Republic

14 december 2022

SENS is carrying out a feasability study for a pumped hydro storage facility in one of Diamos mines.

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Roznagruvan i Tjeckien

This week was a very exciting week for SENS.

18 November 2022

We initiated the feasability work of the Värmlandsberg mine by entering the actual mine. Rejlers and UW-TECH AB were at the site helping us with waters samples and ROV filming. The local news paper in Filipstads kommun was following the activities at the site too.

Read the article here:

For the Company, this is a very big step in our active work to take our PHS project to the next level and in this also demonstrate the Company's capabilities regarding conceptual solutions for long-term energy storage", says Henrik Boman CEO, SENS, in the press release.

Read more about the activity here

Another exciting project meeting

Another exciting project meeting done today with our project partner Veidekke regarding our intended energy cluster in the municipality of Filipstad as well as our developing energy storage project in an underground mine called Värmlandsbergsgruvan.

Read more about the underground mine storage project Read more about the energy cluster project in Filipstad Read more about our cooperation with Veidekke Meeting with Veidekke

SENS Sustainable Energy Solutions is happy to welcome Anna Lindgren to the team!

25 August 2022

Anna has a background from the energy sector working as a consultant towards sustainability within energy projects, as well as having experience from doing her master thesis about frequency controll at Svenska kraftnät. SENS is now strengthening up the team to continue our growth journey being a leader within sustainble energy solutions.

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SENS and Kracht Alpha have entered into a cooperation agreement regarding energy project development in South Africa.

25 August 2022

Francois van Tonder, Kracht Alpha CEO says "We are very pleased as this partnership enables us to expand our energy solution offering for our agri, commercial and industrial customers across the SADC region, backed by SENS' international expertise in energy project development and leading energy storage solutions".

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SENS CEO Lise Toll participate in Swedish pod program (in Swedish).

29 March 2022

Sustainable Energy Solutions, SENS, utvecklar projekt inom energisystem till attraktiva investeringsmöjligheter. I veckans avsnitt av Småbolagspodden berättar SENS vd, Lise Toll, om bolagets förändrade affärsmodell samt om deras nya marknader.


Our collaboration with Filipstad Kommun is highlighted by the Swedish public broadcaster SVT!

24 March 2022

As mentioned last week, we announced that we have begun the evaluation of several disused mines in Filipstad Kommun. This has now been highlighted by SVT. Follow this link to see the interview with our business development manager Torgny Ulfving (in Swedish).

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CEO Lise Toll is presenting the company Naventus Renewable Summit at Grand Hotel in Stockholm on the 16th of March 2022

21 March 2022

Learn more about our business model and our opportunities going forward.


Frequency regulation in a nutshell, and how Pumped Hydro Storage can facilitate the shift to renewable energy sources

4 March 2022

Frequency regulation, peak shifting, demand response, voltage control. The power system is an extremely complex organism that needs precise control to function properly. In this article…

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CEO Lise Toll Presented the company at ProHearings Shared Capital Market Days in Stockholm on the 24th of February 2022

25 februari 2022

Listen to the turnaround the company has done during 2021, where we are today and where we are heading!


Thyssenkrupp eyes turning old gold mines into underground pumped hydro storage

8 oktober 2021

Unit of German conglomerate and mining remediation firm Wismut to carry out pre-feasibility study at depleted South African gold site

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thyssenkrupp Uhde South Africa wins study and signs an agreement with Pumped Hydro Storage Sweden AB

8 oktober 2021

thyssenkrupp Uhde South Africa together with Wismut Gmbh has been appointed to execute a pre-feasibility for study for a renewable underground pumped hydroelectric energy storage (RUHPES) project on a specific site with a South African mining company...

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Re-using depleted mines for energy storage: thyssenkrupp Uhde South Africa wins study and signs an agreement with Pumped Hydro Storage Sweden AB

8 oktober 2021

thyssenkrupp Uhde Africa together with Wismut GmbH has been appointed to execute a pre-feasibility for study for a “Renewable Underground Pumped Hydroelectric Energy Storage” (RUPHES) project on a specific site with a South African mining company. thyssenkrupp Uhde South Africa is collaborating with international specialist companies to facilitate mine repurposing.

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SENS inleder samarbete med energibolag i Estland

20 juli 2021

SENS har tillsammans med det statliga estniska energibolaget Eesti Energia, ingått ett samarbete om att utvärdera möjligheterna för att bygga pumpkraftverk i underjordiska gruvor i Estland.

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SENS inleder samarbete i Tjeckien

8 juli 2021

Pumped Hydro Storage, som numera är en del av SENS-gruppen, har träffat en överenskommelse med det statligt ägda gruvbolaget DIAMO i Tjeckien om att utveckla pumpkraft i en av deras gruvor.

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Innovationer som leder vägen mot ett fossilfritt samhälle

24 juni 2021

För att uppnå ett fossilfritt samhälle behöver vi bli bättre på att tillvara på överbliven energi. Klicka på länken nedan för att läsa hela artikeln i Svenska Dagbladet.

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