Thundering Springs (GTC-GI-130) — Project Summary

Queue ID
GTC-GI-130
Capacity
240 MW
Technology
Solar+Battery
Status
active
Location
Laurens, GA
Region
Southeast
Developer
IA Status
Facility Study

Thundering Springs

GTC-GI-130BetaActiveSolarBatteryGTCLBNL

240 MW hybrid in Laurens, GA · In queue since November 2019 · Proposed COD December 2023

BA: SOCONERC: SERCRC: SOCO

240 MW

Capacity

1

Components

Solar

6y 8m

In Queue

Facility Study

IA Phase

COD target: 2023

Interconnection

Total Duration

4y 1m

Schedule

32 months past proposed COD

Facilities Study50%
Queue EntryNov 26, 2019

Interconnection request submitted to ISO/RTO

Interconnection StudyCurrent

Project undergoes interconnection studies to assess grid impact.

Typical: 18–36 months

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2023-12-01

Cross-source intelligence
Beta
Low confidence·0 sources·as of 2026-06-01
Expected COD
2023-12-01
From queue filing
Developer
Status
Active
Active — LBNL marks as operational (Dec 2023 COD) but lacks independent confirmation of commercial operation
Financing
Unannounced
Key milestones
COD targetDec 1, 2023Most recent

LBNL proposed commercial operation date

About

The Thundering Springs project is a proposed 240 MW solar and battery hybrid development located in Laurens County, Georgia. The project consists of 240 MW of solar generation capacity. It is listed in the Georgia Transmission Corporation (GTC) interconnection queue as project GTC-GI-130, with a queue entry date of November 26, 2019. The proposed commercial operation date is December 1, 2023, and its interconnection agreement status is currently in the Facility Study phase.

The project is interconnected to the No Dublin-Wadley Prim 230 kV TL point of interconnection. The developer is not specified in the queue data. The project has appeared in recent news coverage.

Generated from interconnection queue and public data sources

Development Risk

Realization history for this asset — final cost vs plan, COD slip vs original date, and construction duration vs cohort. Retrospective context for the operating risk view above. Powered by InfraSure's development-stage modeling stack.

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See the full development-risk decomposition for this project.

Final cost vs plan
COD vs original date
Construction duration vs cohort
Project Details

State

GA

County

Laurens

Grid Region

Southeast

Market

Developer

Utility

Georgia Transmission

Entity

GTC

Service Type

Point of Interconnection

No Dublin-Wadley Prim 230 kV TL

Data Source

LBNL

Risk Analytics

Composite operating risk view for this asset — climate hazards across its remaining operating life, observed generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.

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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 — 10-year P50 trajectory accounting for degradation, observed curtailment, and market conditions, with probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.

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See the full forecast + scenario decomposition for this project.

10-year P50 forecast
Degradation-adjusted CF
Weather + policy scenarios
Financial Forecast

Forward revenue, DSCR bands, and refinancing risk for this asset — 10-year cashflow projected under price, demand, 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 cashflow horizon
P10 / P50 / P90 DSCR bands
Price + demand + policy scenarios
Market Context
Approximate
ISO / RTO
SOUTHEAST
Trading Hub
Southern Company
Hub Confidence
UNKNOWN

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.