El Patrimonio Solar (ERCOT-23INR0207) — Project Summary

Queue ID
ERCOT-23INR0207
Capacity
152.32 MW
Technology
Solar
Status
active
Location
Bexar, TX
Region
ERCOT
Developer
Heritage Solar, LLC
IA Status
IA Executed

El Patrimonio Solar

ERCOT-23INR0207BetaActiveSolarERCOTLBNL + Live

152.32 MW generation in Bexar, TX · In queue since March 2021 · Proposed COD April 2027

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

152.32 MW

Capacity

1

Components

Solar

5y 4m

In Queue

IA Executed

IA Phase

Signed Dec 2023

Interconnection

Queue → IA

2y 9m

IA → COD

3y 4m

Total Duration

2y 9m

Construction75%
Queue EntryMar 16, 2021

Interconnection request submitted to ISO/RTO

Interconnection Study

ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.

Typical: 18–30 months (fastest major ISO)

Interconnection AgreementDec 11, 2023

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 12–24 months

Commercial Operation

Proposed COD: 2027-04-29

Cross-source intelligence
Beta
High confidence·7 sources·as of 2026-06-01
Expected COD
2027
Developer
Ashtrom Renewable Energy
Filed as Heritage Solar, LLC
Status
Construction
Construction — groundbreaking held March 2026, construction underway per CPS Energy and multiple trade sources
Financing
Secured
$200M financing closed March 2026, led by Bank Hapoalim (BHI), supporting construction through 2027 COD
Key milestones
IA executedDec 11, 2023

Interconnection Agreement executed per LBNL queue data

source
GroundbreakingMar 2026

Groundbreaking ceremony held with CPS Energy and Ashtrom partners

source
Financing closeMar 12, 2026

$200M financial close with Bank Hapoalim announced by Ashtrom

source
COD target2027Most recent

Commercial operation targeted for 2027 per financing announcement

source
Project lifecycle
as of 2023-03-29
OperationalNoSan Antonio Express-News · 2023-03-29
TechnologySolarSan Antonio Express-News · 2023-03-29
PPA offtakerCPS EnergySan Antonio Express-News · 2023-03-29
About

The El Patrimonio Solar project is a proposed 152.32 MW solar generation project located in Bexar County, Texas. The developer is Heritage Solar LLC. The project is currently active in the ERCOT interconnection queue as entry ERCOT-23INR0207, with a queue entry date of March 16, 2021, and a proposed commercial operation date of April 29, 2027.

The project's Interconnection Agreement (IA) has been executed as of December 11, 2023. The point of interconnection (POI) is tap 138kV 5429 Trumbo - 5260 Leon Creek. The El Patrimonio Solar project has been mentioned in recent news coverage.

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

TX

County

Bexar

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Heritage Solar, LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

tap 138kV 5429 Trumbo - 5260 Leon Creek

Data Source

LBNL + Live

TransactionPPASan Antonio Express-News · 2023-03-29
OfftakerCPS EnergySan Antonio Express-News · 2023-03-29
PPA structurePhysicalSan Antonio Express-News · 2023-03-29
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
ERCOT
Trading Hub
HB_SOUTH
Hub Confidence
MEDIUM
POI Substation
Trumbo 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.

Insights & Articles (1)Beta

Last updated 2026-03-26

View all articles

No Ask reports yet for this entity.

Ask about El Patrimonio Solar
InfraSure platform

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