---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-322976"
form_type: "8-K"
ticker: "VST"
cik: "0001692819"
company_name: "Vistra Corp."
filed_at: "2025-12-17T23:59:59+00:00"
generated_at: "2026-05-16T12:55:43.962327+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Vistra clears 10,566 MW in PJM capacity auction at $333.44/MW-day for 2027/2028

## Summary
- Total cleared capacity of approximately 10,566 MW across all PJM zones.
- Weighted average clearing price of $333.44 per megawatt-day for planning year 2027/2028.
- Cleared 3,975.5 MW in RTO zone, 1,717.7 MW in EMAAC, and 2,036.1 MW in ATSI.
- COMED zone cleared 1,123.6 MW; DEOK 939 MW; MAAC 561.3 MW; DOM 212.9 MW.
- Auction results indicate significant capacity revenue for Vistra starting June 2027.

## SEC filing metadata
- accession: 0001193125-25-322976
- form_type: 8-K
- ticker: VST
- cik: 0001692819
- company_name: Vistra Corp.
- filed_at: 2025-12-17T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1692819/000119312525322976/0001193125-25-322976-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1692819/000119312525322976/d933668d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-322976
- JSON: https://secwatch.observer/filing/0001193125-25-322976.json
- Plain text: https://secwatch.observer/filing/0001193125-25-322976.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.