TheStorage
Rethink industrial heat
Tampere, Finland · Founded 2023 · $6.5M raised
- Headquarters
- Tampere
- Employees
- 1–10
- Founded
- 2023
- Business Model
- B2B
- Website
- thestorage.fi
- Total Funding
- $6.5M
- Last Round
- $4.2M SeedApr 2026
- Rounds
- 3
About
TheStorage (legally Buffer Solutions Oy) is a Finnish cleantech company developing sand-based thermal energy storage systems for industrial decarbonization. Its technology converts renewable electricity into heat stored in sand at high temperatures, acting as a buffer between intermittent renewables and industrial heat processes. The pilot plant operates at Nokian Panimo brewery in Nokia, Finland.
Summary
TheStorage is a Climate Tech company based in Tampere, Finland, founded in 2023. It has raised $6.5M in total across 3 rounds, most recently a $4.2M Seed round in Apr 2026. Investors include 2C Ventures, Business Finland and Superhero Capital.
Tech & App Stack
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Funding History
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Apr 2026
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Pre-Seed through Seed — per-round amounts, valuations, and who invested in each round.
Investors
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