EAST FIELD ENERGY STORAGE
312.96 MW storage in San Diego, CA · In queue since April 2020 · Proposed COD June 2030
312.96 MW
Capacity
1
Components
Battery
6y 3m
In Queue
IA Executed
IA Phase
Signed Jan 2024
Queue → IA
3y 9m
IA → COD
6y 5m
Total Duration
3y 9m
Study Phase
C13
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: 2030-06-25
East Field Energy Storage is a proposed battery storage project located in San Diego County, California, with a total capacity of 312.96 MW. The project is in the CAISO interconnection queue as entry CAISO-1810, with a queue entry date of April 15, 2020, and a proposed commercial operation date of June 25, 2030. The interconnection agreement for the project has been executed. The project is interconnected to the SDGE utility at the Otay Mesa Switchyard 230 kV point of interconnection.
The East Field Energy Storage project has been the subject of recent news coverage, with 16 articles published related to the industry, development, grid, and regulatory aspects of the project.
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
San Diego
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
SDGE
Entity
CAISO
Service Type
ERIS
Point of Interconnection
Otay Mesa Switchyard 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_SP15_GEN-APND
- Hub Confidence
- MEDIUM
- POI Substation
- Costa Mesa
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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