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Cumulus Energy Storage

Cumulus Energy Storage aims to manufacture and develop grid-level rechargeable copper-zinc energy storage batteries.

Renewable Energy Semiconductor Manufacturing
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Headquarters
Rotherham, South Yorkshire, United KingdomSource: RevenueBaseRetrieved October 13, 2026
Employee range
1 to 10Source: RevenueBaseRetrieved October 13, 2026
Founded
2012Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
1 supported appearance ↗Source: RevenueBase lists
The company at a glance

What does Cumulus Energy Storage do?

Cumulus has expanded from Sheffield to San Francisco, where it has laboratory facilities developing grid-connected, full-scale prototypes.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

Who it serves

Cumulus delivers its products and services to customers through local project developers.

What the business offers

Services & capabilities.

Grid-scale energy storage batteries

The company describes its technology as a low-cost, grid-scale rechargeable copper-zinc battery using granted-patent technology.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

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BADGE PREVIEWCumulus Energy Storage listed #20 on Second-life battery manufacturers, September 29, 2026Open the published source list.
Cumulus Energy Storage

#20 Second-life battery manufacturers

Snapshot: September 29, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 29, 2026. How the company lists are built.

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