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PUC Adopts New Large Load Rules
On August 18, 2025 the Public Utility Commission of Texas (PUCT) issued an order adopting new large load interconnection standard rules.
The new standards, among other things, eliminates a proposed rule’s non-refundable interconnection fee and set a flat study fee of $100,000, regardless of load size.
The Public Utility Commission of Texas softened the standards it proposed in March, eliminating a non-refundable interconnection fee and extending energization milestone deadlines.
The proposed rule, issued in March, required a non-refundable interconnection fee of $50,000 per MW of contracted peak demand. The PUCT eliminated this from its final rule.
The proposal also established tiers for study fees based on project size, but the adopted rule settled on a flat $100,000 study fee for all large load customers. “As more data becomes available relating to study costs, the commission may amend the rule to update the study fee amount that is required,” the PUCT wrote.
