CIMARRON WIND (CAISO-1660) — Project Summary

Queue ID
CAISO-1660
Capacity
300 MW
Technology
Wind
Status
active
Location
Tecate, MX
Region
CAISO
Developer
IA Status
IA Executed

CIMARRON WIND

CAISO-1660BetaActiveWindCAISOLBNL + Live

300 MW generation in Tecate, MX · In queue since April 2019 · Proposed COD December 2025

ISO/RTO: CAISO

300 MW

Capacity

1

Components

Wind

7y 3m

In Queue

IA Executed

IA Phase

Signed Dec 2023

Status
as of 23 months ago
Latest milestoneconstruction commenced · 2024-07NS Energy · 2024-08-29
Expected COD2025-Q4NS Energy · 2024-08-29
Interconnection

Queue → IA

4y 8m

IA → COD

2 years

Total Duration

4y 8m

Schedule

6 months past proposed COD

Study Phase

C12

Construction75%
Queue EntryApr 15, 2019

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 AgreementDec 21, 2023

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 18–36 months

Commercial Operation

Proposed COD: 2025-12-31

Cross-source intelligence
Beta
High confidence·7 sources·as of 2026-06-01
Expected COD
2025-12-31
From queue filing
Developer
Sempra Infrastructure
From queue filing
Status
Construction
Construction — groundbreaking July 2024, Vestas turbine order placed March 2024, EPC by Elecnor Mexico, targeting Q4 2025 COD
Financing
Secured
$550M project financing closed, announced March 2024 by Sempra Infrastructure (part of broader $3.55B Baja California investment portfolio per Mexico Business News March 2025)
Key milestones
IA executedDec 21, 2023

Interconnection Agreement executed with CAISO

source
Financing closeMar 2024

$550M investment announced for Cimarron wind farm construction

source
GroundbreakingJul 2024

Construction commenced on 320MW wind project in Tecate

source
COD targetDec 31, 2025Most recent

Expected commercial operation Q4 2025 under 20-year PPA

source
Project lifecycle
as of 2024-03-14
OperationalNoVestas · 2024-03-14
TechnologyWindVestas · 2024-03-14
DeveloperSempra InfrastructureVestas · 2024-03-14
EPC contractorVestasVestas · 2024-03-14
About

CIMARRON WIND is a proposed wind generation project with a total capacity of 352.5 MW, located in Tecate County, Mexico. Interconnection is planned with San Diego Gas & Electric (SDGE) via the East County Substation 230 kV. The project is listed in the California Independent System Operator (CAISO) queue as entry CAISO-1660, with a queue entry date of April 15, 2019, and a proposed commercial operation date of December 31, 2025. The interconnection agreement (IA) has been executed as of December 21, 2023.

The CIMARRON WIND project has been the subject of recent news coverage, with seven articles categorized as deals, industry, and development.

Generated from interconnection queue and public data sources

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

MX

County

Tecate

Grid Region

CAISO (California)

Market

ISO/RTO Member

Developer

Utility

SDGE

Entity

CAISO

Service Type

NRIS

Point of Interconnection

East County Substation 230 kV

Data Source

LBNL + Live

DeveloperSempra Infrastructure±NS Energy · 2024-08-29
EPC contractorElecnor Mexico±NS Energy · 2024-08-29
TransactionProject financingMexico Business News · 2025-03-07
Deal value$3.5BMexico Business News · 2025-03-07
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
Hub Confidence
UNKNOWN

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.

Insights & Articles (3)Beta

Last updated 2026-03-26

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