EO-2025-0154

Key events and scheduled submissions in the Evergy "Large Load Power Service" (LLPS) tariff proceeding (Missouri PSC File No. EO-2025-0154) are as follows:

- February 14, 2025: Evergy files application for approval of LLPS and associated tariffs.
- February 19, 2025: Commission sets intervention period, with intervention requests due by March 5, 2025.
- March 5, 2025: Deadline for intervention requests.
- March 12, 2025: Deadline for responses to Evergy’s proposed procedural schedule.
- March 20, 2025: Multiple parties (DCC, Nucor Steel Sedalia, Velvet Tech Services, Google, Sierra Club, Renew Missouri) granted intervention.
- April 21, 2025: Prehearing conference held; Commission orders all parties to submit proposed procedural schedules by May 5, 2025, and to submit proposed hearing dates (for hearings to occur between August 28 and October 31, 2025) by May 6, 2025.
- May 5, 2025: Deadline for submission of proposed procedural schedules; joint proposed schedule submitted by parties.
- May 13, 2025: Commission adopts procedural schedule and discovery procedures.
- Key procedural schedule dates adopted:
- July 25, 2025: Staff recommendation and rebuttal due.
- September 12, 2025: Surrebuttal due.
- September 18, 2025: List of issues due.
- September 19, 2025: Last day to request discovery.
- September 22, 2025: Position statements due.
- September 23, 2025: Settlement conference.
- Week of September 29–October 3, 2025: Evidentiary hearing.
- October 18, 2025: Initial briefs due.
- October 25, 2025: Reply briefs due 1, 2.
- Each hearing day is scheduled to begin at 9:00 a.m.

This timeline reflects both completed and scheduled actions as of August 28, 2025.

This docket concerns the Missouri Public Service Commission’s review of Evergy Missouri Metro (EMM) and Evergy Missouri West (EMW)'s proposed tariffs for serving large load customers, specifically under a new Limited Large Power Service (LLPS) tariff. The case evaluates how to structure rates, terms, and rider programs for customers with high energy demands—including data centers and other large facilities—while safeguarding existing ratepayers from unjust or unreasonable cost shifts.

Key issues addressed include:
- The appropriate demand threshold for LLPS eligibility, with discussion of 25 MW and 100 MW breakpoints for special treatment and compliance with Missouri’s renewable energy standard.
- Ensuring LLPS customers pay their fair share of system costs, preventing cost burden shifts to other customer classes, as required by SB 4 and RSMo Section 393.130(7) effective August 28, 2025.
- Evaluation of proposed rate structures, revenue handling, and regulatory lag, with concerns that the initial treatment could raise existing EMM customer bills by $13.5 million to $23.5 million annually until rates are adjusted, while Evergy could retain $99.75 million to $144.66 million in excess revenues per year at EMM during that period.
- Recommendations for pre- and post-construction reporting on power usage effectiveness (PUE) and water usage effectiveness (WUE) for LLPS customers, along with curtailment and demand response features to manage grid reliability.
- Stakeholder engagement, with interventions from data center companies, industrial customers, and advocacy groups, reflecting both the competitive nature of attracting large loads to Missouri and the need to balance economic development with fair utility cost allocation.

The Commission Staff recommends rejecting Evergy’s proposed tariffs as filed, instead suggesting adoption of their own recommended tariff provisions to better protect existing customers and ensure compliance with new statutory requirements. The outcome of this docket will shape Missouri’s approach to accommodating large energy users while attempting to avoid negative impacts on other ratepayers and overall grid stability 1 1.