DELILAH ENERGY STORAGE
504 MW storage in Contra Costa, CA · In queue since April 2021 · Proposed COD July 2032
504 MW
Capacity
1
Components
Battery
5y 3m
In Queue
IA Executed
IA Phase
Signed Sep 2025
Queue → IA
4y 5m
IA → COD
6y 10m
Total Duration
4y 5m
Study Phase
C14
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: 6–18 months
Proposed COD: 2032-07-19
The Delilah Energy Storage project is a proposed 504 MW battery storage project located in Contra Costa County, California. The project is interconnected within the CAISO region, with Pacific Gas & Electric (PGAE) as the utility. It entered the CAISO interconnection queue as queue ID CAISO-1875 on April 15, 2021. The proposed commercial operation date is July 19, 2032, and its current interconnection status is System Impact Study.
The Delilah Energy Storage project has been the subject of recent news coverage, with 76 articles published. A majority of the articles (69) are categorized as "deals," with the remainder focusing on "industry" and "regulatory" topics.
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
Contra Costa
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
PGAE
Entity
CAISO
Service Type
NRIS
Point of Interconnection
Pittsburg-Tesla #1 230 kV Line
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_ZP26_GEN-APND
- Hub Confidence
- LOW
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.
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Ask about DELILAH ENERGY STORAGEForward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
