Poseidon Solar, LLC — Plant Summary
- EIA Plant ID
- 57318
- Capacity
- 20 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- GILA, AZ
- Operating Since
- 2011
- Generators
- 1
- Operator
- Axium Arizona Renewables, LLC
- Parent Company
- —
- Annual Generation
- 50,229 MWh
- Capacity Factor
- 28.6%
- Balancing Authority
- Salt River Project
- ISO/RTO
- —
- NERC Region
- WECC
Poseidon Solar, LLC
OperatingSolar
Ranked #48 of 104 Solar plants in AZ#1713 of 7447 nationally
20 MW Solar operating in GILA, AZ — Salt River Project
EIAGEMWD
20 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2011
Operating Since
Location
Coordinates
33.1606, -111.4840
County
GILA, AZ
Nearby Plants
- Copper Crossing Energy and Research CentSolar154.2 MW · 0.6 km
- Banner Solar IronwoodSolar1.4 MW · 9.7 km
- Box Canyon (AZ)BESS600 MW · 10.7 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Axium Arizona Renewables, LLC | Axium US Solar Holdings | — |
| Owner(s) | Avangrid Power LLC, Axium Arizona Renewables, LLC | Axium US Solar Holdings LLC [50%]; Avangrid Renewables LLC [50%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Axium US Solar Holdings LLC [50%]; Avangrid Renewables LLC [50%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Poseidon Solar, LLC, is a 20 MW solar photovoltaic power plant located in Gila County, Arizona. The plant, which began operating in 2011, utilizes single-axis tracking technology. It is owned and operated by Axium Arizona Renewables, LLC. The plant's primary fuel source is the sun. Poseidon Solar is ranked as the 36th largest solar plant in Arizona out of 93, and 1413th nationally out of 7108.
In its most recent year of operation, Poseidon Solar generated 50,229 MWh of electricity, achieving a capacity factor of 28.6%. The plant operates within the Salt River Project balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Financial data indicates that Poseidon Solar has a power purchase agreement (PPA) price of $151.54 per MWh.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Salt River Project
Grid Voltage
69 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
2.6K MWh
Latest Month
50.2K MWh
Annual Generation
28.6%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$115.8/MWh
LCOE (Levelized Cost)
$151.5/MWh
PPA Price
$15.2/MWh
Energy Value
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (1)Beta
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