PUC Announces Publication of Tentative Order on Model Tariff for Large-Load Customers
30-day public comment period now open through December 22, 2025
HARRISBURG – The Pennsylvania Public Utility Commission (PUC) today announced that its Tentative Order proposing a model tariff for Large-Load Customers — including data centers and other high-demand electric users — has been published in the Pennsylvania Bulletin, officially starting a 30-day public comment period that runs through December 22, 2025.
The Tentative Order was adopted by the Commission on November 6, 2025, and represents the next step in the PUC’s ongoing effort to address the unprecedented growth of very large loads across Pennsylvania. The proposal outlines a statewide framework to help ensure that large energy users can connect to the grid quickly and responsibly, while also protecting existing ratepayers, preventing cost-shifts, and supporting long-term reliability.
About the Tentative Order
The Tentative Order grew out of testimony and public input gathered during the PUC’s April 2025 hearing on large-load issues. It proposes a model tariff that addresses key elements of how large loads interconnect and share costs, including:
- Defining large-load customers and aligns Pennsylvania’s approach with em…