Utility Tariff Analysis · Updated October 2026

TVA's Data Center Capacity Commitment Charge: What It Means for AI Data Center Siting in Tennessee

September 18, 2026 6 min read Strategic Crypto Reserve Data Center Infrastructure

New or expanding data center loads above 5 MW fall under a new wholesale rate class the TVA Board approved on August 20, 2026: a Capacity Commitment Charge effective October 1, 2026, applying specifically to data center load above 5 MW — a notably low threshold compared to most other states' 25-100 MW entry points. TVA estimates the new charge will raise overall billing by roughly 10 percent on average, phased over three fiscal years.

Tennessee at a glance: industrial power about 7.4¢/kWh (EIA-based, indexed to April 2026) · grid queue about 32 months · data center equipment tax exemption: available. Indicative figures from the SCR AI Build Configurator v1.4.0.

The Tariff Explained Model a Tennessee Build Free
Tennessee AI data center power map: TVA's Data Center Capacity Commitment Charge large-load tariff

TVA's Data Center Capacity Commitment Charge

TN

Tennessee Valley Authority

TVA Board action, August 20, 2026

Regulatory docket / filing reference

New or expanding data center loads above 5 MW

Who the tariff applies to

New or expanding data center loads above 5 MW fall under a new wholesale rate class the TVA Board approved on August 20, 2026: a Capacity Commitment Charge effective October 1, 2026, applying specifically to data center load above 5 MW — a notably low threshold compared to most other states' 25-100 MW entry points. TVA estimates the new charge will raise overall billing by roughly 10 percent on average, phased over three fiscal years.

Also active in Tennessee: Data centers already account for nearly 20 percent of all TVA industrial-customer power demand, and TVA's Integrated Resource Plan projects the region will need 11 to 32 GW of additional generation capacity by 2040. TVA is responding with a 1,500 MW gas plant at Kingston, a 1,450 MW combined-cycle plant at Cumberland, and a $400 million DOE grant supporting small modular reactor development at the Clinch River site near Oak Ridge.

Tennessee at a glance: large-load tariff threshold, docket and who it applies to

Named Projects Already Underway

CustomerLocationDetails
FordStanton, TN$5.6 billion vehicle manufacturing facility
Google (via TVA)Jackson County, AL / TN region$1.5 billion data center investment tied to TVA's broader generation build-out, including new advanced nuclear capacity

Policy Update, 1 October 2026

The Capacity Commitment Charge took effect today, 1 October 2026, for new or expanding data center load above 5 MW. TVA expects the all-in average billing impact for data center customers to be about 10%, phased in over three fiscal years.

Figures compiled from the Edison Electric Institute's "Large Load Projects and Tariffs" (September 2026) member-company summary and public regulatory filings. Confirm current tariff terms directly with Tennessee Valley Authority and the relevant state public utility commission before relying on any figure for a capital decision.

Weighing Tennessee against another state or a Canadian province with a different rate and interconnection picture entirely? Run both sides of the comparison through our licensed AI data center cost configurator — it applies each jurisdiction's actual power rate, tax treatment and large-load tariff rules to the same seven build configurations.

TVA’s capacity commitment charge changes how large loads are billed; our crypto data center in BC operates under a different utility model entirely, a useful point of comparison.

Named data center projects underway in Tennessee Named Projects Already Underway: TVA's Data Center Capacity Commitment Charge: What It Means for AI Data Center Siting in Tennessee

Model This State on Your Own Site

Every figure above comes from the same power-cost and tariff dataset behind the SCR AI Build Configurator — a licensed, embeddable widget that models seven data center build configurations against all nine Canadian provinces and all 50 US states plus DC, returning capital expenditure by line item, energy cost, revenue by commercial structure, EBITDA and payback.

LicencePrice (CAD)Who it suits
Standard$4,000 / domain / yearAdvisors who need three lease-model configurations and a clipboard summary
Pro$10,000 / domain / yearConsultants who send CSV deliverables to clients and want all seven configurations
EnterpriseFrom $25,000 / year, up to 3 domainsDevelopers and EPC firms who want the model on their own cost basis with attribution removed

Not ready for an annual licence? A one-time Site Screening Report ($950, one site) runs the same model for a single build without embedding anything.

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Model a Tennessee data center build in the SCR AI Build Configurator: CapEx, power cost, EBITDA and payback Model This State on Your Own Site: TVA's Data Center Capacity Commitment Charge: What It Means for AI Data Center Siting in Tennessee

Compare Tennessee With Nearby States

Large-load rules change sharply at state lines. See how the neighbouring utilities handle data center and high-density loads before you shortlist a site.

Kentucky

KU/LG&E EHLF tariff
Georgia

Georgia Power 100 MW rule
Alabama

Alabama Power Rate BTAL (30 MW)
North Carolina

Duke Energy NC large load
All 50 State Tariffs Data Center Cost Calculator AI Build Configurations

Frequently Asked Questions

What is TVA's Data Center Capacity Commitment Charge?

New or expanding data center loads above 5 MW fall under a new wholesale rate class the TVA Board approved on August 20, 2026: a Capacity Commitment Charge effective October 1, 2026, applying specifically to data center load above 5 MW — a notably low threshold compared to most other states' 25-100 MW entry points. TVA estimates the new charge will raise overall billing by roughly 10 percent on average, phased over three fiscal years.

Why did Tennessee Valley Authority introduce this large-load structure?

To ensure the cost of new generation, transmission and distribution infrastructure built to serve very large customers, chiefly hyperscale data centers, is paid for by those customers rather than spread across the general rate base of residential and small commercial ratepayers.

What large data center projects are already active in Tennessee?

Data centers already account for nearly 20 percent of all TVA industrial-customer power demand, and TVA's Integrated Resource Plan projects the region will need 11 to 32 GW of additional generation capacity by 2040. TVA is responding with a 1,500 MW gas plant at Kingston, a 1,450 MW combined-cycle plant at Cumberland, and a $400 million DOE grant supporting small modular reactor development at the Clinch River site near Oak Ridge.

Does this tariff replace Tennessee's standard commercial and industrial rates?

No. TVA's Data Center Capacity Commitment Charge sits above Tennessee Valley Authority's standard commercial and industrial rate schedules and applies specifically to customers that meet or exceed the large-load threshold described above. Smaller commercial and industrial loads continue to be billed under existing rate schedules.

How can I model a Tennessee data center build against this tariff and other states?

The SCR AI Build Configurator applies Tennessee's power cost, tax treatment and large-load tariff rules alongside all other US states and Canadian provinces, so a Tennessee scenario can be compared line-by-line against any alternative site.