Parliament Solar (ERCOT-23INR0044) — Project Summary

Queue ID
ERCOT-23INR0044
Capacity
484.56 MW
Technology
Solar
Status
active
Location
Waller, TX
Region
ERCOT
Developer
Parliament Solar LLC
IA Status
IA Executed

Parliament Solar

ERCOT-23INR0044BetaActiveSolarERCOTLBNL

484.56 MW generation in Waller, TX · In queue since June 2020 · Proposed COD July 2025

484.56 MW

Capacity

1

Components

Solar

5y 11m

In Queue

IA Executed

IA Status

Signed May 2022

Status
Latest activitypartnershipPR Newswire · 2025-05-07
Interconnection

Queue → IA

1y 11m

IA → COD

3y 2m

Total Duration

1y 11m

Schedule

10 months past proposed COD

Construction75%
Queue EntryJun 19, 2020

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 AgreementMay 26, 2022

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 12–24 months

Commercial Operation

Proposed COD: 2025-07-18

About

Parliament Solar is a proposed 484.56 MW solar generation project located in Waller County, Texas. The project, developed by Parliament Solar LLC, is in the ERCOT interconnection queue as entry ERCOT-23INR0044, with a queue entry date of June 19, 2020. The proposed commercial operation date is July 18, 2025, and the project's Interconnection Agreement was executed on May 26, 2022.

The point of interconnection is Tap 345kV 44900 Zenith - 967 Gibbons Creek ckt 18. The project has been the subject of recent news coverage.

Generated from interconnection queue and public data sources

Project Details

State

TX

County

Waller

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

Parliament Solar LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

Tap 345kV 44900 Zenith - 967 Gibbons Creek ckt 18

Data Source

LBNL

PartnerParliament Energy HoldingsPR Newswire · 2025-05-07
CompanyIdeematecPR Newswire · 2025-05-07
Market Context
Approximate
ISO / RTO
ERCOT
Trading Hub
HB_HOUSTON
Hub Confidence
MEDIUM
POI Substation
Zenith 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.

News & Articles (1)Beta

Last updated 2026-03-26

View all articles