Sun Streams — 160 MW solar farm, Maricopa County, AZ

Sun Streams — 160 MW solar farm, Maricopa County, AZ · Ask the Grid

Generation and physical site

EIA plant 60827 · Inventory for Sep 2026.

Reported operating nameplate by technology

Solar: 160 MW

Operating generators only. Battery power is in MW; stored energy is in MWh. These ratings do not establish a shared export limit.

Generator records (1)

EIA generator status and nameplate capacity for Sun Streams, LLC
Generator	Technology	Status	Power (MW)	Energy (MWh)
GEN01	Solar Photovoltaic	Operating	160	Unknown

Physical map location · OpenStreetMap: 33.34509, -112.82513
Filed location · EIA: 33.34884, -112.83480

Sources and observation dates

Inventory source: EIA-860M workbook (preliminary)
EIA reporting month: Sep 2026
EIA retrieved: Oct 24, 2026
OSM extract: Oct 9, 2026
OSM last mapped edit: Jan 8, 2026
Map prepared: Oct 24, 2026
Field verification: Not reported

Reporting month describes the inventory. Retrieval and map preparation describe processing; an OSM edit does not establish an in-service date.

EIA source inventory

Units and generators

Current generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
GEN01	160 MW 160 MW summer	Solar Photovoltaic PV	Jan 2020	Operating

Commercial, land, and environmental record

Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.

Transactions and agreements

PPA Approval

Jun 9, 2016

Southern California Edison Company received CPUC approval for its renewable-energy PPA with Sun Streams, LLC on June 9, 2016. The PPA covers approximately 160 MW with deliveries beginning January 1, 2020, and associated RECs delivered to SCE.

160 MW contracted15 yearsSouthern California Edison Company · Sun Streams, LLC

Source

Partial-Interest Acquisition

Oct 2023

Potentia Renewables Inc., on behalf of Power Sustainable Energy Infrastructure Partnership, acquired 50% interest from ConnectGen in a 278 MW operating portfolio explicitly including the 154 MW Sun Streams 1 project on October 31, 2023. The portfolio became a 50/50 joint venture with EDP Renewables. No acquisition consideration was disclosed.

Potentia Renewables Inc. · ConnectGen · Power Sustainable Energy Infrastructure Partnership · EDP Renewables North America LLC

Potentia Renewables Inc. Acquires First Portfolio of Utility Scale Solar Projects in the United States - Potentia Renewables

Land and environmental record

Avoided Water Consumption

Jun 24, 2025

More than 200 million gallons per year

EDP states that Sun Streams Solar Park saves more than 200 million gallons of water annually. This is presented as avoided conventional-generation water consumption, not measured plant withdrawal or discharge.

Sun Streams Solar Park

Panel Environmental Characteristics

Jun 24, 2025

PV panels contain no liquids or materials posing environmental or health risk

EDP states that the solar panels consist of photovoltaic cells sealed on both sides and contain no liquids or materials that pose a risk to the environment or human health.

Sun Streams Solar Park

Permit Term And Decommissioning-Related Condition

Jul 30, 2074

Expiration July 30, 2074, or earlier lease/use termination

County special-use permit expires 60 years from original approval date (July 30, 2074), or upon expiration of lease, termination of use, or revocation for noncompliance, whichever occurs first. This is a land-use term and abandonment condition, not a separate equipment-retirement commitment.

Report to the Board of Supervisors

Wastewater Management

Jan 9, 2019

On-site septic system

Maricopa County record lists wastewater service as an on-site septic system.

Report to the Board of Supervisors

Water Source

Jan 9, 2019

On-site well

Maricopa County entitlement record lists the site's water source as an on-site well.

Report to the Board of Supervisors

Mapped facility footprint

Mapped infrastructure geometry associated with this asset.© OpenStreetMap contributors · relation/20058445

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Relationship graph

Drag organizations to explore the network. Select a node to pin its details and available page link.

AssetOwner / operatorProject companyContractorOfftakerOrganization

Parties and identifiers

OrganizationRoleBasis

EDP Renewables North America LLCOperatorOwner / developer associated with Sun Streams, LLC.

Potentia RenewablesOwner / developerOwner / developer associated with Sun Streams, LLC.

Reporting portfolio

EIA reporting entity

EDP Renewables North America LLC

Entity 61785

Operating portfolio

6 plants

5 states

Reported capacity

827.5 MW

Batteries · Onshore Wind Turbine · Solar Photovoltaic

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
Scarlet Solar (CA)	240 MW	CA
Headwaters Wind Farm II LLC	200 MW	IN
Sun Streams, LLCCurrent	160 MW	AZ
Crossing Trails Wind Power Project LLC.	104 MW	CO
Sunshine Valley Solar	103.5 MW	NV
Windhub Solar A LLC	20 MW	CA

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Jun 9, 2016
Jun 9, 2016
Power Purchase AgreementSource
Southern California Edison Company received CPUC approval for its renewable-energy PPA with Sun Streams, LLC on June 9, 2016. The PPA covers approximately 160 MW with deliveries beginning January 1, 2020, and associated RECs delivered to SCE.
Jan 2020
Jan 2020
Generator enters operationEIA-860
EIA-860 lists generator GEN01 with this operating date.
Jan 1, 2020
Jan 1, 2020
Commercial OperationSource
The EIA-based plant record identifies January 1, 2020 as the first-unit online date; the CPUC record states that SCE deliveries were to begin on the same date.
Oct 2023
Oct 2023
Acquisition ClosedPotentia Re...
Potentia Renewables Inc., on behalf of Power Sustainable Energy Infrastructure Partnership, acquired 50% interest from ConnectGen in a 278 MW operating portfolio explicitly including the 154 MW Sun Streams 1 project on October 31, 2023. The portfolio became a 50/50 joint venture with EDP Renewables. No acquisition consideration was disclosed.
Oct 31, 2023
Oct 31, 2023
Financing StatusPotentia Ac...
Potentia disclosed that tax equity and long-term debt were in place for the operating portfolio containing Sun Streams 1, without naming the financing parties or amounts.

Sources

PublisherReferenceType

U.S. Energy Information AdministrationEIA-860 generator inventoryFederal registry

U.S. Energy Information AdministrationEIA-923 generation filingsFederal filing

docs.cpuc.ca.govpublic versionregulatory

Common questions about Sun Streams

Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.

How big is Sun Streams?

Sun Streams reports 160 MW solar of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.

What kind of plant is Sun Streams?

Sun Streams is a Solar Photovoltaic facility in Maricopa County, AZ, participating in the CAISO market.

Where is Sun Streams located?

Sun Streams is in Maricopa County, AZ, inside the CAISO balancing area.

Who operates Sun Streams?

Sun Streams is operated by EDP Renewables North America LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Sun Streams generate?

Sun Streams reported 335.9 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.

How does Sun Streams compare to other plants?

By capacity, Sun Streams ranks #262 of 7,597 operating plants of the same technology nationally. It ranks #19 of 126 in AZ.

Co-located assets

Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.

Sun Streams 2Solar PhotovoltaicSolar Photovoltaic · same type150 MW2.9 km Sun PondBatteries, Solar PhotovoltaicBatteries, Solar Photovoltaic · same type170 MW4 km Arlington Valley Energy FacilityNatural Gas Fired Combined CycleNatural Gas Fired Combined Cycle713 MW6 km Mesquite Solar 1Solar PhotovoltaicSolar Photovoltaic · same type

Overview

Overview

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Infrastructure record

Profile

Structured profile

Generation and physical site

Reported operating nameplate by technology

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Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Nearby substations

Commercial, land, and environmental record

Transactions and agreements

Land and environmental record

Related parties and identifiers

Relationship graph

Parties and identifiers

Reporting portfolio

Timeline and sources

Project timeline

Sources

Common questions about Sun Streams

How big is Sun Streams?

What kind of plant is Sun Streams?

Where is Sun Streams located?

Who operates Sun Streams?

How much electricity does Sun Streams generate?

How does Sun Streams compare to other plants?

Co-located assets

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