ARAMIS POWER PLANT
202.7 MW hybrid in Alameda, CA · In queue since May 2017 · Proposed COD July 2026
202.7 MW
Capacity
2
Components
Solar + Battery
9y 2m
In Queue
IA Executed
IA Phase
Signed Nov 2019
Queue → IA
2y 6m
IA → COD
6y 8m
Total Duration
2y 6m
Study Phase
C10
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: 2026-07-31
- 2025-12·Intersect Power→Google (Alphabet)source
Alameda County Board of Supervisors unanimously approved 350-acre solar farm
source$2.6 billion committed to new solar projects in Texas and California portfolio
sourceCalifornia 1st District Court of Appeal rejected appeal to overturn county approval
sourceGoogle acquired Intersect Power for $4.75 billion to accelerate data center energy capacity
sourceThe ARAMIS POWER PLANT is a proposed 202.7 MW hybrid solar and battery project located in Alameda County, California. The development project consists of a 101.4 MW solar component and a 101.3 MW battery energy storage system. It is interconnected to the CAISO grid under queue ID CAISO-1349, with an interconnection queue entry date of May 1, 2017. The project's proposed commercial operation date is July 31, 2026.
The project's interconnection agreement (IA) was executed on November 26, 2019. The point of interconnection is the Cayetano 230 kV substation. The project has been the subject of recent news coverage, with five articles categorized as regulatory matters.
Generated from interconnection queue and public data sources
Realization risk from now to commercial operation — financing close, EPC and tax-equity counterparty mix, and COD probability vs the proposed date. The diligence view that determines whether the deal actually closes. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
CA
County
Alameda
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
PGAE
Entity
CAISO
Service Type
NRIS
Point of Interconnection
Cayetano 230 kV
Data Source
LBNL + Live
Composite operating-phase risk view — what this asset's risk profile will look like once it commissions. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — first-year production estimate and 10-year P50 trajectory, with probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. First-year DSCR, 10-year cashflow, and counterparty exposure across price and policy scenarios. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- ISO / RTO
- CAISO
- Trading Hub
- TH_NP15_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- CAYETNO_2_N003
- POI Substation
- Cayetano Substation
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
Last updated 2026-03-26
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