---
schema_version: "secwatch.filing_event.v1"
accession: "0000874761-26-000006"
form_type: "8-K"
ticker: "AES"
cik: "0000874761"
company_name: "AES CORP"
filed_at: "2026-01-16T23:59:59+00:00"
generated_at: "2026-05-16T10:01:46.361683+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# AES Corp. to take $250M-$325M pre-tax impairment on Maritza plant in Bulgaria

## Summary
- Pre-tax impairment charge of $250M-$325M as of Dec 31, 2025, for the Maritza power plant in Bulgaria.
- PPA expires May 2026; no new agreement reached; company decided against investing in fuel conversion.
- Impairment primarily due to limiting future use post-PPA; current cash flows through May 2026 unaffected.
- Charge to be finalized with 2025 Form 10-K; potential impact on income tax expense also under review.

## SEC filing metadata
- accession: 0000874761-26-000006
- form_type: 8-K
- ticker: AES
- cik: 0000874761
- company_name: AES CORP
- filed_at: 2026-01-16T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.06, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/874761/000087476126000006/0000874761-26-000006-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/874761/000087476126000006/aes-20260116.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000874761-26-000006
- JSON: https://secwatch.observer/filing/0000874761-26-000006.json
- Plain text: https://secwatch.observer/filing/0000874761-26-000006.txt

## Source-grounded claims
- claim_id: 601831125b5557f7bfdef8b082e614c7161bef4f
  claim: AES CORP announced a impairment with charges of $250 million to $325 million affecting Maritza power plant in Bulgaria.
  evidence_excerpt: The AES Corporation’s (“AES”) Maritza power plant in Bulgaria is operating under a Power Purchase Agreement (“PPA”) that expires in May 2026. Although negotiations are underway for a new PPA and other alternatives to realize additional value are being considered, no agreements have been reached. Further, in the fourth quarter of 2025, the Company made the decision not to invest in a conversion of the plant to an alternative fuel source. The Company has determined that collectively, these events represent an impairment indicator during the fourth quarter of 2025. An analysis was performed and as a result, a reduction in the Maritza assets’ useful life was deemed appropriate, and it was determined that the carrying value was not recoverable. In connection with these developments, on January 13, 2026, the Company concluded that a pre-tax impairment charge in the range of $250 million to $325 million is required to be recognized as of December 31, 2025, in accordance with U.S. generally ac
  evidence_url: https://www.sec.gov/Archives/edgar/data/874761/000087476126000006/0000874761-26-000006-index.htm

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