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Preliminary 2025 facility recordProposed

Harlingen, TX · EIA plant 69151

Arroyo Storage

Arroyo Storage is a storage power facility in Harlingen, TX, with 180 MW of proposed capacity.

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Operating capacity0 MW0 operating generators
Proposed capacity180 MW1 proposed generators
UtilityBT Cantwell Solar, LLCEIA-reported operator
Balancing authorityERCOElectric Reliability Council of Texas, Inc.

Capacity profile

Fuel and technology

Nameplate capacity
OperatingNo operating capacity reported
Proposed
Storage180 MW
Reported technologiesBatteries

Nearby in TX

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Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source