Project TVA-256 — Project Summary

Queue ID
TVA-256
Capacity
155 MW
Technology
Nuclear
Status
active
Location
Limestone, AL
Region
Southeast
Developer
IA Status
IA Executed

TVA-256

TVA-256BetaActiveNuclearTVALBNL

155 MW generation in Limestone, AL · In queue since August 2014 · Proposed COD April 2019

BA: AECNERC: SERCRC: SOCO

155 MW

Capacity

1

Components

Nuclear

11y 11m

In Queue

IA Executed

IA Phase

COD target: 2019

Interconnection

Total Duration

4y 8m

Schedule

88 months past proposed COD

Construction75%
Queue EntryAug 15, 2014

Interconnection request submitted to ISO/RTO

Interconnection Study

Project undergoes interconnection studies to assess grid impact.

Typical: 18–36 months

Interconnection Agreement

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 60–120 months

Commercial Operation

Proposed COD: 2019-04-03

About

TVA-256 is a proposed nuclear generation project with a total capacity of 155 MW located in Limestone County, Alabama. The project is sponsored by the Tennessee Valley Authority (TVA) and interconnected to the BFN 500-kV Substation.

The project is listed in the TVA interconnection queue with an entry date of August 15, 2014. The proposed commercial operation date (COD) is April 3, 2019, and the Interconnection Agreement (IA) has been executed.

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.

Available on the InfraSure platform

See the full development-risk decomposition for this project.

P(COD by stated date)
Financing close probability
EPC + tax-equity counterparty
Project Details

State

AL

County

Limestone

Grid Region

Southeast

Market

Developer

Utility

Tennessee Valley Authority

Entity

TVA

Service Type

Point of Interconnection

BFN 500-kV Substation

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.

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 — 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.

Available on the InfraSure platform

See the full forecast + scenario decomposition for this project.

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.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

10-year revenue projection
First-year DSCR
Financing close risk
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.