Grid connection · Maricopa County, Arizona, United States

Harquahala Flats 2 grid connection (CAISO 2027)

Harquahala Flats 2 grid connection (CAISO 2027) is a planned grid connection in Maricopa County, Arizona, United States, with 400 MW of capacity, connected by California Independent System Operator Corporation.

Facts

Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.

FactValueSource
Name in the sourceHARQUAHALA FLATS 2 grid connection (CAISO 2027)CAISO queue report · CAISO Privacy and Terms of Use · checked 24 Oct 2026
LocationMaricopa County (connects at Delaney Substation 500 kV)CAISO queue report · CAISO Privacy and Terms of Use · checked 24 Oct 2026
StatusPlanned (active, cluster C14)CAISO queue report · CAISO Privacy and Terms of Use · checked 24 Oct 2026
Capacity400 MWCAISO queue report · CAISO Privacy and Terms of Use · checked 24 Oct 2026
TechnologySolar (registered as Storage Battery / Photovoltaic Solar)CAISO queue report · CAISO Privacy and Terms of Use · checked 24 Oct 2026
TechnologyStorage (registered as Storage Battery / Photovoltaic Solar)CAISO queue report · CAISO Privacy and Terms of Use · checked 24 Oct 2026
Grid operatorCalifornia Independent System Operator CorporationCAISO queue report · CAISO Privacy and Terms of Use · checked 24 Oct 2026
Queue date15 Apr 2021CAISO queue report · CAISO Privacy and Terms of Use · checked 24 Oct 2026
Connection date15 Apr 2028 (proposed)CAISO queue report · CAISO Privacy and Terms of Use · checked 24 Oct 2026

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Latest events

Dated events about this grid connection from official notices and registers, newest first. All recent changes.

  1. Entered the connection queue

How it compares

Harquahala Flats 2 grid connection (CAISO 2027) is the 10th-largest of 26 grid connections in Arizona and the 549th-largest of 4,021 in the United States by capacity; its 400 MW is <0.1% of the 923,876 MW we hold for the United States. Ranks and totals cover the grid connections in our data that report their capacity, not every one in existence.

WithinRankTotalShare
Arizona10th of 2613,740 MW2.9%
United States549th of 4,021923,876 MW<0.1%
All grid connections in our data852nd of 7,9281,372,494 MW<0.1%

Timeline

Dated facts about this grid connection from its sources, oldest first.

  1. Due to connect

Grid operator and place

More from California Independent System Operator Corporation

Other grid connections in Arizona

All 26 grid connections in Arizona, United States

Data on this page