Sandow Lakes Energy Station (ERCOT-27INR0071) — Project Summary

Queue ID
ERCOT-27INR0071
Capacity
1291.6 MW
Technology
Gas
Status
active
Location
Milam, TX
Region
ERCOT
Developer
SL Energy Power Plant I, LLC
IA Status
Facility Study

Sandow Lakes Energy Station

ERCOT-27INR0071BetaActiveGasERCOTLBNL + Live

1,291.6 MW generation in Milam, TX · In queue since March 2024 · Proposed COD April 2028

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

1,291.6 MW

Capacity

1

Components

Gas

2y 4m

In Queue

Facility Study

IA Phase

COD target: 2028

Interconnection

Total Duration

4y 1m

Facilities Study50%
Queue EntryMar 22, 2024

Interconnection request submitted to ISO/RTO

Interconnection StudyCurrent

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

Typical: 18–30 months (fastest major ISO)

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2028-04-01

Cross-source intelligence
Beta
Medium confidence·2 sources·as of 2026-06-01
Expected COD
2028-04-01
From queue filing
Developer
SL Energy Power Plant I, LLC
From queue filing
Status
Active
Active — Facility Study phase, construction financing secured October 2024 via $450M Macquarie commitment
Financing
Secured
$450M debt financing from Macquarie Asset Management, closed October 2024
Key milestones
Financing closeOct 2024

Macquarie Asset Management commits $450M debt financing for 1.2GW CCGT project

source
COD targetApr 1, 2028Most recent

Proposed commercial operation date per ERCOT interconnection queue

source
About

The Sandow Lakes Energy Station is a proposed 1264.34 MW gas-fired generation project located in Milam County, Texas. Developed by SL Energy Power Plant I, LLC, the project is interconnected within the ERCOT region under queue ID ERCOT-27INR0071. The project entered the ERCOT interconnection queue on March 22, 2024, with a proposed commercial operation date of April 1, 2028. Its interconnection status is currently in the Facility Study phase.

The proposed project has been the subject of recent news coverage.

Generated from interconnection queue and public data sources

Development Risk

Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. 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)
Withdrawal probability vs cohort
IA cluster risk
Project Details

State

TX

County

Milam

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

SL Energy Power Plant I, LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

#13430 Sandow Switch 138kV

Data Source

LBNL + Live

DeveloperSandow Lakes Energy StationIPE Real Assets · 2025-10-29
TransactionDebt financingGas to Power Journal · 2025-10-30
Deal value$450.0MGas to Power Journal · 2025-10-30
LenderMacquarie Asset ManagementGas to Power Journal · 2025-10-30
Risk Analytics

Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. 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 — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. Powered by InfraSure's generation modeling stack.

Available on the InfraSure platform

See the full forecast + scenario decomposition for this project.

P50 conditioned on COD
Capacity factor vs cohort
Weather + policy scenarios
Financial Forecast

Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. The bankability view that determines whether the deal clears its covenants once online. Powered by InfraSure's asset cashflow stack.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

Revenue conditioned on COD
Financing close risk
Cohort DSCR comparison
Market Context
Approximate
ISO / RTO
ERCOT
Trading Hub
HB_NORTH
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.

Insights & Articles (3)Beta

Last updated 2026-03-26

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InfraSure platform

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