TROLLEY

CAISO-2032BetaActiveBatteryCAISOLBNL + Live

405.663 MW storage in San Bernardino, CA · In queue since April 2021 · Proposed COD February 2031

BA: CISOISO/RTO: CAISONERC: WECCRC: RCW

405.663 MW

Capacity

Components

Battery

5y 3m

In Queue

IA Executed

IA Phase

Signed Oct 2025

Interconnection

Queue → IA

4y 6m

IA → COD

5y 4m

Total Duration

4y 6m

Study Phase

C14

Construction75%

Queue EntryApr 15, 2021

Interconnection request submitted to ISO/RTO

Cluster Study (Phase I/II)

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

Typical: 36–48 months (IR to IA)

Interconnection AgreementOct 2, 2025

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2031-02-26

Cross-source intelligence

Beta

High confidence·3 sources·as of 2026-06-01

Expected COD

2031

From queue filing

Developer

Aypa Power

From queue filing

Status

IA Executed

IA Executed — offtake agreement secured with NCPA for 400MW/1600MWh, project advancing toward construction

Financing

In progress

Offtake secured with NCPA at $12.71/kW-month pricing for 400MW/1600MWh capacity, financing close not yet announced

Key milestones

IA executedOct 2, 2025

Interconnection Agreement executed with CAISO

source

Financing closeNov 4, 2025Most recent

NCPA announces Energy Storage Service Agreement for 400MW/1600MWh Trolley BESS

source

About

The TROLLEY project is a proposed 405.66 MW battery storage project located in San Bernardino County, California. The project is in the California Independent System Operator (CAISO) interconnection queue as entry CAISO-2032, with a queue entry date of April 15, 2021. The proposed commercial operation date is February 26, 2031. The project's interconnection status is currently in the System Impact Study phase.

The project, which will interconnect to Southern California Edison (SCE) at the Etiwanda Substation 230 kV, has been mentioned in recent industry news.

Generated from interconnection queue and public data sources

CAISO Queue

Development Risk

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.

Available on the InfraSure platform

See the full development-risk decomposition for this project.

P(COD by stated date)

Financing close probability

EPC + tax-equity counterparty

Project Details

State

County

San Bernardino

Grid Region

CAISO (California)

Market

ISO/RTO Member

Developer

—

Utility

SCE

Entity

CAISO

Service Type

NRIS

Point of Interconnection

Etiwanda Substation 230 kV

Data Source

LBNL + Live

Risk Analytics

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.

Available on the InfraSure platform

See the full risk decomposition + scenarios for this project.

Climate hazards (8+)

Generation variability (P10/P50/P90)

Offtake + transmission counterparty

Generation Forecast

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.

Available on the InfraSure platform

See the full forecast + scenario decomposition for this project.

10-year P50 forecast

First-year output estimate

Weather + policy scenarios

Financial Forecast

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.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

10-year revenue projection

First-year DSCR

Financing close risk

Market Context

Approximate

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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InfraSure platform

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

TROLLEY (CAISO-2032) — Project Summary

TROLLEY