Timmerman Power Plant Phase 2 (ERCOT-25INR0503) — Project Summary

Queue ID
ERCOT-25INR0503
Capacity
188.4 MW
Technology
Gas
Status
active
Location
Caldwell, TX
Region
ERCOT
Developer
Lower Colorado River Authority
IA Status
IA Executed

Timmerman Power Plant Phase 2

ERCOT-25INR0503BetaActiveGasERCOTLBNL

188.4 MW generation in Caldwell, TX · In queue since September 2023 · Proposed COD May 2026

BA: ERCOISO/RTO: ERCOTNERC: TRERC: ERCOT

188.4 MW

Capacity

1

Components

Gas

2y 10m

In Queue

IA Executed

IA Phase

Signed Dec 2023

Asset Intelligence Map

One connected view of the asset's ownership, operating or development evidence, grid context, commercial relationships, history, and forward outlook.

5 live dimensions
4 decision models

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Structured from the current asset record; empty data branches are omitted.Locked nodes are InfraSure decision models; no simulated values shown.
Interconnection

Queue → IA

3 months

IA → COD

2y 5m

Total Duration

3 months

Schedule

2 months past proposed COD

Construction75%
Queue EntrySep 22, 2023

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 28, 2023

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 24–48 months

Commercial Operation

Proposed COD: 2026-05-29

Cross-source intelligence
Beta
High confidence·4 sources·as of 2026-06-01
Expected COD
Apr 2026
Queue date 1–2 years staleQueue: 2026-05-29
Developer
Lower Colorado River Authority
Confirmed
Status
Online
Online — plant came fully operational April 2026, one month ahead of schedule; received Texas Energy Fund completion bonus grant
Financing
Secured
Texas Energy Fund (TxEF) performance-based completion bonus grant executed by PUCT November 2025; project was part of $5.38B loan program for dispatchable generation
Key milestones
IA executedDec 28, 2023

Interconnection Agreement executed per LBNL queue data

source
Financing closeNov 2025

PUCT executed first TxEF Completion Bonus Grant agreement for Phase 2

source
COD targetApr 2026Most recent

Plant came fully online one month ahead of May 2026 target

source
About

The Uhland Maxwell Expansion is a proposed 188.4 MW gas-fired generation project located in Caldwell County, Texas. The developer is Lower Colorado River Authority. It is interconnected within the ERCOT region under queue ID ERCOT-25INR0503, with a queue entry date of September 22, 2023, and a proposed commercial operation date of April 30, 2026.

The project's Interconnection Agreement (IA) has been executed as of December 28, 2023. The point of interconnection (POI) is the 7041 John Dumas 345kV substation.

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.

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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

Caldwell

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Lower Colorado River Authority

Utility

Entity

ERCOT

Service Type

Point of Interconnection

7041 John Dumas 345kV

Data Source

LBNL

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.

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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.

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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.

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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_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.

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