HARQUAHALA FLATS 2
821.52 MW hybrid in Maricopa, AZ · In queue since April 2021 · Proposed COD April 2028
821.52 MW
Capacity
2
Components
Solar + Battery
4y 11m
In Queue
System Impact Study
IA Status
COD target: 2028
Total Duration
7 years
Interconnection request submitted to ISO/RTO
CAISO uses cluster studies where projects are batched annually and studied together.
Typical: 36–48 months (IR to IA)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2028-04-15
State
AZ
County
Maricopa
Region
CAISO
Developer
—
Utility
DCRT
Entity
CAISO
Point of Interconnection
Delaney Substation 500 kV
Data Source
LBNL + Live
Copia Power, a Carlyle Portfolio Company, Closes an $890 Million Tax Equity Commitment for Maricopa Energy Center
Copia Power closes a tax equity commitment for Arizona's largest solar-plus-storage project.
Copia Power, a Carlyle Portfolio Company, Closes an $890 Million Tax Equity Commitment for Maricopa Energy Center
Copia Power closes a tax equity commitment for Arizona's largest solar-plus-storage project.
Copia Power, a Carlyle Portfolio Company, Closes an $890 Million Tax Equity Commitment for Maricopa Energy Center
Copia Power closes a tax equity commitment for Arizona's largest solar-plus-storage project.
Copia Power, a Carlyle Portfolio Company, Closes an $890 Million Tax Equity Commitment for Maricopa Energy Center
Copia Power closes a tax equity commitment for Arizona's largest solar-plus-storage project.
Last updated 2026-03-26