Oncor / ERCOT TDUs
Large-load tariff for data centers: what is on file, the terms the filings state, and where each fact comes from. Terms a filing does not state are marked, never guessed.
StatusLaw or process only Last reviewed 2026-10-03
Applies at75 MW and above (ERCOT Large Load Interconnection Study)
What the filing saysAny facility at or above 75 MW must complete ERCOT's Large Load Interconnection Study before energizing. Submission windows are set each year.
Stated terms
This tariff does not yet have terms we can tabulate. The status text above is what the filings and our source state. See the source below.
Source
ERCOT Large Load Integration; Texas PUCT large-load interconnection rule (2025)
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Screening information from public filings, not legal or investment advice. Tariffs change; confirm the current terms with the utility and the commission before relying on them.