Battery storage development recordsFIPS 04013Not a lease-rate estimate

Battery storage development data in Maricopa County, Arizona

Public county project and grid context. This is not a lease-rate estimate, property listing, indication of parcel suitability, or evidence that an organization wants to lease a particular property.

55Active queue requestsLBNL Queued Up interconnection queue dataset
10,903 MWActive requested capacityRequested, not built
14Operating facilitiesEIA-860 final annual generator inventory
1,953 miTransmission in countyHIFLD electric power transmission lines

Interconnection queue requests

Queue activity

Source: LBNL Queued Up interconnection queue dataset. Queue requests are proposals seeking interconnection; they are not planned or operating facility counts.

Active queue requests

55

Tracked requests currently marked active

Active requested capacity

10,903 MW

Storage capacity where the queue reports it. Many solar-plus-storage requests list only the solar size.

2019-2025 complete years

02040602019: 19 requests2020: 18 requests2021: 37 requests2022: 43 requests2023: 19 requests2024: 7 requests2025: 9 requests2019202020212022202320242025
Tracked requests per complete year
YearTracked requests
201919
202018
202137
202243
202319
20247
20259

Facility facts

Planned and operating facilities

Planned facilities

14

3,033 MW · EIA-860 final annual generator inventory

Operating facilities

14

1,128 MW · EIA-860 final annual generator inventory

Queue request status is not used as a substitute for facility construction or operating status.

Independent operating inventory

Solar sites with batteries

9

U.S. Large-Scale Solar Photovoltaic Database battery-equipped sites (USPVDB)

Observed capacity

Not reported

The source does not report capacity for these records

Latest operation year

2024

Latest source record represented in this county

This inventory is shown separately from EIA generators and LBNL queue requests to avoid double-counting records across datasets.

Retirement facts

Facility retirements

The EIA-860 final annual generator inventory lists no retired battery storage facilities in Maricopa County.

Public record attribution

Organizations named in queue requests

No organization is named

Public records for this county do not identify an organization.

A name in an interconnection queue request does not mean the organization is seeking land in this county or has an interest in a particular parcel.

Infrastructure context

Grid infrastructure context

Source: HIFLD electric power transmission lines.

Transmission in county

1,953 miles

Highest recorded voltage

500 kV

Nearest line to county center

5.1 km

County infrastructure does not establish available grid capacity. A specific project requires parcel-level engineering and an interconnection study.

Private comparable contribution

Have an actual offer or signed lease from this county?

Public development records do not tell us what a landowner was offered. Directly submitted terms enter a separate private review workflow and never become a raw public record.

Private submission · reviewer verification required

Share a real battery storage offer or signed lease

If you have been approached about battery storage land here, or have already signed, the terms you remember can help build future comparable coverage for Maricopa County. A submission does not mean this county currently has comparable coverage. Terms stay private during review, and no raw terms or parcel identity are published.

Source: terms you submit directly, not a public agency dataset. See verification, document retention, and deletion details in the privacy policy.