The Batch Zero Framework
ERCOT’s June 18 explainer says large users totaling more than 438,000 MW of proposed demand had entered the connection queue, with nearly 90% of those requests from data centers. ERCOT defines a large user as a single site with peak demand above 75 MW. The scale is a planning signal, not a forecast that every request will become energized load.
ERCOT’s June 23 market notice says Batch Zero is a transitional interconnection study process for large-load requests that meet study maturity and commitment criteria. The current Large Load Interconnection Study process remains in effect through the end of July 10, 2026, and Batch Zero becomes effective July 11, 2026.
The Large Load Integration page lists the practical deadlines: several Interconnecting Large Load Entity forms are due to the DSP or TSP by July 10, while interconnecting TSPs submit the Batch Zero Load Information Form and related materials to ERCOT by July 24. Those filings can help separate studied and committed projects from earlier-stage requests.
Commercial Impact: What This Means for Texas Electricity Buyers
- Transmission cost allocation: Large-load interconnection studies can identify transmission upgrades, but buyer cost impact depends on which projects advance, which upgrades are approved, and how TDU tariffs and ERCOT cost-allocation rules evolve. Commercial and industrial buyers in ERCOT North and West should monitor TUOS and delivery-tariff filings.
- Price pressure in constrained zones: Concentrated data center development in specific zones (North Texas/Dallas-Fort Worth corridor) will create localized congestion, potentially driving up nodal prices during peak periods.
- Demand response opportunity: ERCOT’s growing need for flexible load can improve the strategic value of curtailable operations, but program value depends on the facility, REP/QSE relationship, interval data, and operational reliability.
What Not To Overclaim
Batch Zero does not prove that more than 438 GW of load will connect, and it does not create a direct retail-rate forecast. It is a filter for study maturity, commitment evidence, controllability options, and transmission feasibility. That distinction matters for Texas commercial buyers because queue pressure can be real while delivered cost remains account-, zone-, tariff-, and contract-specific.
Source: ERCOT market notice M-B062326-01, ERCOT Large Load Integration page, ERCOT June 18, 2026 Trending Topic on the new batch connection process, ERCOT April 2026 large-load and forecast materials, Texas SB 6 materials.