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The Netherlands · the named batteries

S4 Energy / Leclanche hybrid Almelo

Operating, 8.8 MW · 7.12 MWh, in Almelo, owned by (not stated) S4 Energy. Every fact below is as a published source states it, with the address beside it; a field not shown is one no source gave, and nothing is guessed.

The battery

Power8.8 MW
Capacity7.12 MWh
Duration0.8 hours
StatusOperating, as of 20 October 2026
Stated dateDecember 2021, before December 2021
MunicipalityAlmelo, Overijssel
Grid connectionTenneT frequency services
Placed on the mapat the centre of Almelo, its municipality (GeoNames)
How sureProbable: the sources agree but none confirms every fact

Who is behind it

Owner(not stated) S4 Energy
Traded byS4 Energy
Built byLeclanche (batteries); S4 Energy (KINEXT flywheels, six units, 3 MW)

What the sources say

pv magazine (22 December 2021) describes this as the earlier, existing S4 Energy and Leclanche hybrid serving TenneT, with 8.8 MW / 7.12 MWh of batteries plus 3 MW of flywheels. No commissioning date was read and no recent source says it still runs. New in this round.

Evidence and sources

From the owners’, developers’ and builders’ own releases, grid operators’ and permit notices and the trade press, read by Vitreous. No Dutch body publishes a meter, an instruction or a payment for a named battery, so this page carries none. List id NL-B50.

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