DESERT SANDS

CAISO-1758BetaActiveBatteryCAISOLBNL + Live

300 MW storage in Riverside, CA · In queue since April 2020 · Proposed COD March 2035

BA: CISOISO/RTO: CAISONERC: WECCRC: RCW

300 MW

Capacity

Components

Battery

6y 3m

In Queue

IA Executed

IA Phase

Signed Aug 2024

Interconnection

Queue → IA

4y 4m

IA → COD

10y 7m

Total Duration

4y 4m

Study Phase

C13

Construction75%

Queue EntryApr 15, 2020

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 AgreementAug 2, 2024

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2035-03-31

Cross-source intelligence

Beta

High confidence·6 sources·as of 2026-06-01

Expected COD

2027

Queue date 3+ years staleQueue: 2035-03-31

Developer

NextEra Energy Resources

Filed as Desert Sands Energy Storage II, LLC

Status

Active

Active — IA executed Aug 2024, PPA negotiations completed with multiple CCAs for 2027 COD

Financing

In progress

PPAs awarded by Desert Community Energy and shortlisted by San Diego Community Power and Clean Power Alliance in 2023-2024; financing close not publicly announced

Key milestones

IA executedAug 2, 2024

Interconnection Agreement executed with CAISO

source

COD target2027Most recent

Target COD per CCA PPA tracking document Nov 2024

source

About

The DESERT SANDS project is a proposed 300 MW battery storage project located in Riverside County, California. The project is in the California Independent System Operator (CAISO) interconnection queue as entry CAISO-1758, with a queue entry date of April 15, 2020. The proposed commercial operation date is March 31, 2035. The project's interconnection status is currently in the System Impact Study phase. Southern California Edison (SCE) is the utility.

The DESERT SANDS project has been featured in recent news coverage related to deals.

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

Riverside

Grid Region

CAISO (California)

Market

ISO/RTO Member

Developer

—

Utility

SCE

Entity

CAISO

Service Type

NRIS

Point of Interconnection

Devers Substation 230kV

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_SP15_GEN-APND
Hub Confidence: MEDIUM
Nearest Node (Estimated): GARNET_7_N006
POI Substation: Devers 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 insights available for this project.

No Ask reports yet for this entity.

Ask about DESERT SANDS

InfraSure platform

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

DESERT SANDS (CAISO-1758) — Project Summary

DESERT SANDS