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250 MW BESS testing in Maricopa, AZ — Arizona Public Service Company
250 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
—
Operating Since
Coordinates
33.8004, -112.2725
County
Maricopa, AZ
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Beehive Energy Storage, LLC | — | — |
| Owner(s) | Beehive Energy Storage, LLC | — | — |
| Status | Testing | — | — |
Beehive Energy Storage is a 250 MW battery energy storage system located in Maricopa County, Arizona. The plant is owned and operated by Beehive Energy Storage, LLC. It utilizes batteries as its primary fuel source, designated by the code "MWH". The facility consists of a single generator.
Beehive Energy Storage operates within the Arizona Public Service Company balancing authority and is part of the Western Electricity Coordinating Council (WECC) NERC region. It is ranked as the 28th largest power plant in Arizona out of 47, and nationally it holds the 205th position out of 514 plants. Recent news coverage indicates significant activity in deals related to the plant, with 9 articles focusing on deals and 1 on general industry news.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
No generation data available for this plant.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $340.3M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-26
View all 10 articlesNo ask pi reports yet for this entity.
ask pi about Beehive Energy StorageArizona Public Service Company (AZPS)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP