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ERCOT PGRR145: Batch Zero Large-Load Owner Readiness Pack
A free owner-side guide to Batch Zero eligibility, attestations, TSP and DSP handoffs, study data, energization and audit-ready evidence under ERCOT PGRR145.
Open the resourceCAMPUS CHALLENGE / DECISION BRIEF
A generator can be available, permitted for one duty and economically attractive, yet still fail to provide the service the campus is selling.
ILLUSTRATIVE FAILURE SCENARIO
Assume a campus proposes gas generation to bridge a constrained grid connection, reduce costs and support emergency operation. The financial case counts all three benefits at full value. But the gas arrangement has interruption exposure, the plant's net output falls under the chosen design conditions, and the proposed island needs controls and protection not included in the equipment price. A regional event constrains both the grid and fuel delivery. The supposed independent backup shares the event that causes the original problem.
Hypothetical development case. Assumptions are not project results, quoted prices or predicted failure rates.
TEXAS / LAW, REGULATION & LOCAL REQUIREMENTS
Reviewed September 10, 2026
Development issues to resolve, not a legal opinion. Applicability depends on the parcel, provider, project configuration and current instruments. Texas counsel, the responsible authority and qualified technical specialists should confirm the route before commitments are made.
Use these questions to direct the review, not to determine legal eligibility. Open the applicable constraint below for the source, consequence and next action.
Texas basis. For covered existing-generation arrangements, the statute provides a notice, ERCOT study and PUCT decision route, with potential reliability-related conditions and express exceptions. Texas Utilities Code §39.169
Campus consequence. The available plant capacity can be subject to obligations that differ from the tenant's proposed continuous private supply. A power purchase cannot be evaluated separately from the covered operating arrangement.
Resolve before commitment. Confirm generator registration history, ownership facts, load status and applicability with counsel. Price the project only after the relevant process, conditions and allocation of risk are understood.
Texas basis. The statute's backup-deployment or curtailment framework expressly does not authorize violations of emissions limits or other environmental requirements. TCEQ authorization remains a separate constraint. Texas Utilities Code §37.0561 · TCEQ emergency and stationary engine authorization pathways
Campus consequence. The campus may need to reconcile a grid-response obligation with permitted generator duty and tenant availability. It cannot assume that an emergency instruction expands its air authorization.
Resolve before commitment. Have utility counsel, the air specialist and operators reconcile the applicable response route with the actual permits and tenant obligations. Document lawful operational alternatives before offering resilience or grid-support commitments.
01 / CAMPUS EXPOSURE
COMBINED FAILURE TEST
Extend the regional interruption beyond the modeled duration while grid arrival is delayed and export revenue is unavailable. Count only accepted net load support. If the portfolio no longer meets the tenant's service, change the offered envelope or supply arrangement rather than preserving the original revenue forecast.
02 / RESPONSE CHOICES
These are decision conditions, not universal thresholds. Confirm the evidence with the responsible providers, specialists and affected tenants before the owner authorizes a commitment.
Advance whenThe bounded phase can operate on accepted net capacity, duty and fuel terms, with a funded grid transition.
Stop or revise whenThe bridge needs unsupported islanding, unavailable fuel or indefinite extension to satisfy the tenant.
Design around a bounded phase and duty with explicit operating restrictions. Fund the transition and confirm the tenant can accept the resulting service rather than promising permanent equivalence.
Advance whenLifecycle cost, maintenance, fuel, operating responsibility and applicable approvals support the long-term service.
Stop or revise whenThe return depends on counting the same capacity as both tenant reserve and unrestricted market supply.
Develop generation as a durable utility component with supported fuel, operating authority, ownership and lifecycle economics. This is a larger development commitment than renting equipment.
Advance whenThe alternate portfolio meets the required failure duration and workload response on consistent assumptions.
Stop or revise whenShort-duration storage or unconsented curtailment is presented as equivalent to the required continuous service.
Compare storage, demand adjustment, alternate supply or a reduced phase against the actual failure duration and operating requirement. No technology should receive credit for a service it cannot sustain.
Sitebraid would reconcile the generation proposal with the tenant service obligation and permanent campus plan. We would coordinate utility, fuel, permitting, land, funding and operating decisions, compare credible operating states and expose benefits that cannot be counted together. Specialists retain responsibility for engineering, safe operation and legal approvals. The result is a supported supply role with a defined downside, not a generator purchase presented as a complete power solution.
03 / DECISION GATE
NEXT ACTION
Require one operating-state matrix before selecting equipment. For each state, name the load served, fuel condition, operator, approval, reserve and path back to normal operation.
Reviewed September 10, 2026. The scenarios and decision tests are Sitebraid analysis. Source materials establish context, not approval of a particular project. Applicable law, provider terms and technical requirements require project-specific confirmation.
TCEQ lists separate conditional pathways for portable/emergency and stationary engines. The proposed duty, equipment and applicable rules need an air-permitting review; standby equipment is not automatically authorized for routine generation.
Project-specific study and commissioning requirements must be confirmed with the serving utility and ERCOT. An announced MW total is not a tenant allocation or an unconditional energization commitment.
The legislation addresses large-load obligations and grid integration. Determine the applicable implementing rules, provider terms and project classification before calculating a binding financial obligation.