ATHOS POWER PLANT
908 MW hybrid in Riverside, CA · In queue since May 2017 · Proposed COD May 2027
908 MW
Capacity
2
Components
Solar + Battery
8y 10m
In Queue
IA Executed
IA Status
Signed Dec 2018
Queue → IA
1y 7m
IA → COD
8y 5m
Total Duration
1y 7m
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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 18–30 months
Proposed COD: 2027-05-17
State
CA
County
Riverside
Region
CAISO
Developer
—
Utility
SCE
Entity
CAISO
Point of Interconnection
Red Bluff Substation 230kV
Data Source
LBNL + Live
SB Energy receives CEC grant to purchase Fluence batteries for portion of 1.6GWh Riverside County BESS
Utility-scale developer SB Energy has received a US$25 million grant from the California Energy Commission (CEC) to purchase BESS units for...
Intersect Power renegotiates BESS offtake deal to mitigate US tariff uncertainty
Intersect Power has become the latest player in the energy storage space to feel the impacts of tariff increases and policy uncertainty.
Intersect Power renegotiates BESS offtake deal to mitigate US tariff uncertainty
Intersect Power has become the latest player in the energy storage space to feel the impacts of tariff increases and policy uncertainty.
Intersect Power renegotiates BESS offtake deal to mitigate US tariff uncertainty
Intersect Power has become the latest player in the energy storage space to feel the impacts of tariff increases and policy uncertainty.
Last updated 2026-03-26