Blackland Prairie 1 Energy Storage (ERCOT-27INR0485) — Project Summary

Queue ID
ERCOT-27INR0485
Capacity
102.1 MW
Technology
Battery
Status
active
Location
Travis, TX
Region
ERCOT
Developer
Tempus power management LLC
IA Status
Facility Study

Blackland Prairie 1 Energy Storage

ERCOT-27INR0485BetaActiveBatteryERCOTLBNL + Live

102.1 MW storage in Travis, TX · In queue since March 2025 · Proposed COD December 2027

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

102.1 MW

Capacity

1

Components

Battery

1y 4m

In Queue

Facility Study

IA Phase

COD target: 2027

Interconnection

Total Duration

2y 9m

Facilities Study50%
Queue EntryMar 24, 2025

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: 2027-12-01

Cross-source intelligence
Beta
Low confidence·0 sources·as of 2026-06-01
Expected COD
2027-12-01
From queue filing
Developer
Tempus Power Management LLC
From queue filing
Status
Active
Active — Facility Study stage in ERCOT queue, queued March 2025
Financing
Unannounced
Key milestones
IA executedMar 24, 2025Most recent

Project entered ERCOT interconnection queue at Facility Study stage

About

Blackland Prairie 1 Energy Storage is a proposed 102.1 MW hybrid battery energy storage project located in Travis County, Texas. The project, developed by Tempus Power Management LLC, is listed in the ERCOT interconnection queue as entry ERCOT-27INR0485, with a queue entry date of March 24, 2025.

The proposed commercial operation date for Blackland Prairie 1 Energy Storage is December 1, 2027. The project is currently listed as active in the interconnection queue.

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.

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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

Travis

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Tempus power management LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

9328 Austrop 138kV

Data Source

LBNL + Live

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_SOUTH
Hub Confidence
MEDIUM
Nearest Node (Estimated)
WEBBER_WS_T1
POI Substation
Austrop 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.

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