What batch zero settles and what it leaves open

Batch Zero centers on a new, statewide procedure for large-load interconnection in ERCOT that takes effect July 11, 2026. The rule turns a previously serial, TSP-driven study process into a clustered, ERCOT-led batch study, with developers and transmission service providers facing filing cutoffs (around July 10 and July 24). Joshua Rhodes noted ERCOT’s catalog of more than 445 GW of large-load requests; the new framework immediately segregates projects into base load, studied load, and excluded load buckets and transfers much of the analytical work from local TSPs to ERCOT. ERCOT’s full batch study is slated to be completed by early April (after the batch study period), giving a clearer timeline than the ad hoc approach that preceded the rule.

Guests Caitlin Smith (TAC chair, Jupiter Power) and Jason Ryan (CenterPoint Energy) agreed the batch model was necessary to impose transparency and discipline on a previously unruly process, but they diverged on threshold and cadence. Smith emphasized the collaborative TAC drafting and cautioned that many issues remain unsettled (WL-PUN and PCLR constructs, non‑firm service vs. century‑old obligation to serve, and follow‑on stakeholder requests), while Jason pushed on operational and economic consequences: CenterPoint already vets projects stringently and estimates 40–50 GW of realistic Houston baseload growth (far below statewide headlines), but he warned a 75 MW cutoff and an annual batch could slow manufacturing expansions that must move at business speed. Jason proposed either changing the threshold, running batches more frequently, or creating a separate fast track for projects where capacity clearly exists.

Both speakers drilled into technical particulars. They explained WL-PUN as a withdrawal-limited private-use network (generation paired with load) and PCLR as a dispatchable, curtailable load construct; Jason stressed the need for rigorous testing and engineering to ensure system stability in case of large-load trips, and Caitlin flagged resources like batteries as part of the solution. Looking ahead, both expect further policy evolution — TAC, ERCOT staff, the PUC, and the Legislature will revisit criteria, and batch zero is best viewed as triage that will leave permanent elements and items that must be refined before batch one and beyond.