Climate/Up and coming

RheEnergise

Develops High-Density Hydro, a pumped storage system using a dense fluid so long-duration energy storage fits on low hills.

rheenergise.com ↗
Why it's here

Its first demonstrator project became operational in January 2026 and has completed repeated successful cycles.

source: rheenergise.com
Focus
Energy storage
Founded
2019
Latest round
EIC Accelerator, £2.15M grant plus equity support, Jul 2025
Staff (Companies House accounts)
11, average over the period to 31 Dec 2025source: find-and-update.company-information.service.gov.uk
London office
Collective Auction Rooms, Room 302, 5-7 Buck Street, London, Camden NW1 8NJsource: rheenergise.com
London presence
HQsource: rheenergise.com
Area
Camden
Nearest station
Camden Town, 163 m
Elsewhere
LinkedIn ↗

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For RheEnergise

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RheEnergise is listed on London Mempool
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