SHERMAN ENERGY STORAGE (CAISO-1915) — Project Summary

Queue ID
CAISO-1915
Capacity
256.29 MW
Technology
Battery
Status
active
Location
Contra Costa, CA
Region
CAISO
Developer
IA Status
System Impact Study

SHERMAN ENERGY STORAGE

CAISO-1915BetaActiveBatteryCAISOLBNL + Live

256.29 MW storage in Contra Costa, CA · In queue since April 2021 · Proposed COD June 2031

BA: CISOISO/RTO: CAISONERC: WECCRC: RCW

256.29 MW

Capacity

1

Components

Battery

5y 1m

In Queue

System Impact Study

IA Status

COD target: 2031

Interconnection

Total Duration

10y 2m

Impact Study25%
Queue EntryApr 15, 2021

Interconnection request submitted to ISO/RTO

Cluster Study (Phase I/II)Current

CAISO uses cluster studies where projects are batched annually and studied together.

Typical: 36–48 months (IR to IA)

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2031-06-18

Risk Analytics

Forward-looking exposure analytics for this queue project — climate hazards, expected generation variability, counterparty risk — into a single decision-grade view. Powered by InfraRisk.

Available on the InfraSure platform

See the full risk decomposition + scenarios for this project.

Climate hazards (8+)
Generation variability
Counterparty exposure
About

The Sherman Energy Storage project is a proposed 256.29 MW battery storage project in Contra Costa County, California. The project is located within the CAISO region and is being developed for interconnection with PG&E. It entered the CAISO queue as queue ID CAISO-1915 on April 15, 2021, with a proposed commercial operation date of June 18, 2031. Its interconnection status is currently in the System Impact Study phase.

The Sherman Energy Storage project has been the subject of recent news coverage, with seven articles appearing in industry, regulatory, and deals publications.

Generated from interconnection queue and public data sources

Project Details

State

CA

County

Contra Costa

Grid Region

CAISO (California)

Market

ISO/RTO Member

Developer

Utility

PGAE

Entity

CAISO

Service Type

Point of Interconnection

Contra Costa PP 230 kV

Data Source

LBNL + Live

Generation Forecast

Forward-looking generation outlook for this queue project with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.

Available on the InfraSure platform

See the full forecast + scenario decomposition for this project.

10-year horizon (through 2034)
P10 / P50 / P90 confidence bands
Weather + policy + demand scenarios
Financial Forecast

Forward revenue, DSCR bands, and refinancing risk for this queue project, projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

10-year cashflow horizon
P10 / P50 / P90 DSCR bands
Price + demand + policy scenarios
Market Context
Approximate
ISO / RTO
CAISO
Trading Hub
TH_NP15_GEN-APND
Hub Confidence
MEDIUM
Nearest Node (Estimated)
CCOSTA_2_B1
POI Substation
Contra Costa 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.

No news available for this project.

No Ask reports yet for this entity.

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InfraSure platform

Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.